737 MAX
Incident Reports

WHEN SELECTING FLAPS 30 ON FINAL APPROACH #3 LE TRANSIT LIGHT ILLUMINATED AMBER. MAINT LIGHT ILLUMINATED AFTER CLEARING RUNWAY. NO PREVIOUS HISTORY 23MAR: CURRENT FC IS 27-81204 #3 SLAT O/B PROX SENSOR

ELECTRICAL CONNECTORS IN THE MAIN WHEEL WELL DETAIL INSPECTION {B737-24-4-3085} - #2 ENG HYD SHUTOFF VALVE FAILS TEST. SLAVED IN NEW VALVE NO LUCK. DOES NOT MOVE TO OPEN POSTION WITH FIRE HANDLE UP UNMATED AND REMATED CONNECTOR PLUG #S D46120, D40486, D46042 FOR UNMATED CONNECTOR PLUG #S D43046 , D40400, D0764 FOR FOUND WIRE W6530-0508-20 IS INCORRECTLY INSTALLED IN PIN 3 OF TROUBLSHOOTING PURPOSES PER WM #29-11-11. OPS CHKS REQUIRED ON TROUBLESHOOTING PURPOSES PER WM #29-11-11. SUSPECT BAD WIRE RUN D40400J. SHOULD BE INSTALLED IN PIN 2 OF D40400J. W6530-1101-22 THESE. BETWEEN #D43046P AND #D40400J. IS INSTALLED IN PIN 2 AND SHOULD BE INSTALLED IN PIN 3 OF D40400J.

FA REPORTS L2 DOOR VERY HARD TO CLOSE. GROUNDED - YES. FOUND L2 DOOR GUIDE ARM PLATE TRACK BONE DRY, ACCOMPLISHED AFT ENTRY DOOR LUBRICATION OF GUIDE ARM PLATE TRACK REF AMM 12-15-12-640-801 OPS CHECK GOOD.

PER CREW REPORT: LEFT THE HARD SURFACE ON DECELERATION, ACFT SKIDDED. LEFT MAIN WENT INTO DIRT AND COLLAPSED. POSSIBLE FUEL LEAK ON LEFT WING REPORTED.

AIR RETURN DUE TO SPEED TRIM FAIL. STAB OUT OF TRIM. AUTO PILOT TRIM NO WKNG T/S, FOUND AT THE GATE THE A/P TRIM WOULD NOT TRIM NOSE UP. REF SSM 22-13-11, CK''D M1201 PINS 13 TO 15 HAD GOOD CONTINUITY, CK''D D2257 PIN 13 TO PIN 13 ON D381 ON STAB TRIM MOTOR, CK''D GOOD. CYCLED S144 SEVERAL TIMES, NO TROUBLE FOUND. WHEN WE TRIED THE A/P TRIM AFTER BEING MOVED TO THE HANGER, THE A/P TRIM WORKED AND WE COULD NOT GET IT TO FAIL AGAIN. SUGGEST REPLACING THE STAB TRIM MOTOR AS A PRECAUTION. REMOVED, REPLACED AND OPERATIONAL TEST OF STAB TRIM MOTOR, MM 27-41-71. NEED TO PERFORM STAB TRIM MOTOR AUTOPILOT TEST 22-11-81-710. PARTS USED: 42-2741-9-0003,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1404976 SN OFF 0883 MOTOR, STABILIZ OFF 42-2741-9-0003 0883 ON 0000 MOTOR, STABILIZ OFF 42-2741-9-0003 0883 ON 42-2741-9-0003 0441 PERFORMED STAB TRIM MOTOR A/P TEST I.A.W. AMM 22-11-81-710-801. OPS TEST PASSED. PERFORMED LAND VERIFY TEST - "PASSED" I.A.W. AMM 22-11-00-700-801. A/C REMAINS FULL CAPABILITY.

ENG ANTI-ICE COWL VALVE LIGHT IS ON AT LESS THAN 28000 FEET PERFORMED FIM 30-21 TASK 810, NO RELATED FAULT IN OMF. TS FIM UP TO STEP B.(3). DURING CHECK OF COWL THERMAL ANTI-ICE VALVE, FOUND PRSOV OPERATING INCORRECTLY, WILL NOT STAY IN OPEN POSITION WHEN BLEED AIR SYSTEM IS PRESSURIZED BY APU REF SUBTASK ADD EMP:U393575 36-00-00-860-230 OF AMM 36-00-00-860-805. SUSPECT BAD PRSOV, PRSOV ON AOG, LOCK OUT TOOL BOXES ARE IN THE FORWARD CARGO PIT. VALVE, SHUTOFF, OFF 42-3611-9-0002 1117 ON 42-3611-9-0002 2923 VALVE, SHUTOFF, OFF 42-3611-9-0002 1117 ON 0000 R/R ENG #2 PRSOV PER AMM 36-11-04. ALL OPS CHECKS GOOD AT THIS TIME. PARTS USED: 42-3611-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1527933 SN OFF 1117.

LEFT WINDOW OVHT LIGHT ON IN CLIMB FL315 PERFORMED CONTINUITY CHECK PER FIM 30-41-830 STEPS D3CONTINUITY CHECKS GOOD. FIM RECOMMENDS TO REPLACE P5-9 OVERHEAD PANEL, CONF IRMED FAILURE PER BITE CHECK ON WHC#2. R & R MODULE , WINDOW / PITOT HEAT AS REQUIRED , REF AMM 30-00-02-401, OPS CHECKED NORMAL. WING BODY OVHT LIGHT ON AT FL295 IN CLIMB PERFOMED SYSTEM TEST AND FAULT AFT CARGO APU SHORT FAULT DETECTED. ELEMENT LOOP 275 WAS PREVIOUSLY REPLACED ON 2-21-2024 BUT ERROR WAS NOT RESET FROM OVERHEAT DETECTOR CONTROLLER. RESET OVERHEAT CONTROLLER TO CLEAR FAULT AND RETESTED SAME WITH NO FURTHER DEFECTS/FAULTS NOTED. A/OK FOR SERVICE.

AFT ENTRY L2 DOOR HARD TO OPEN AND CLOSE. GROUNDED - YES. LUBRICATED EXTERIOR LUB POINTS ON L2 DOOR, OPS CKS GOOD IAW AMM 52-13-00.

ELECTRIC SMELL IN AFT GALLEY ;MID CABIN AT CRUISE F/A REPORTED FUME SMELL IN AFT GALLEY AREA & MID CABIN. TURNED OFF BUS TRANSFER CAB/UTIL & IFE/PASS SWITCHES IAW QRH. FUMES DISSIPATED. ATTEMPTED TO RESTORE POWER STARTING WITH THE IFE/PASS SWITCH ON. FUMES RETURNED. LEFT THE IFE/PASS (AND CAB/UTIL) SWITCHES OFF FOR REMAINDER OF FLIGHT. FUMES DID NOT RETURN.

WHILE ACCOMPLISHING TASK CARD # 33-010-00, FOUND FWD AISLE CEILING EMERGENCY LIGHT BETWEEN THE LIFE RAFTS INOP. GROUNDED - YES. UPON FURTHER INVESTIGATION, FOUND FWD AISLE CEILING EMERGENCY LIGHT CONNECTOR DISCONNECTED & BAGGED. REMOVED BAG & RECONNECTED CONNECTOR. PERFORMED OPS CHK & OPS CHK GOOD. REF AMM 33-51-00.

RUNWAY AWARNESS SYSTEM MALFUNCTION ON TAKEOFF PER FLIGHT CREW REQUEST, LESS THAN 20 KNOTS , BREAKER IS PULLED AND COLLARED. PLACED ON MEL FOR GPWS. PLACED ON MEL. PERFORMED GROUND PROXIMITY WARNING SYSTEM OPS TEST IN REFERENCE TO AMM 34-49-00-710-801 OPERATIONAL TEST PASSED RECEIVED RUNWAY AWARNESS OK PERFORMED GPS OPS TEST IN REFERENCE TO AMM 34-58-00-710-801 OPS TEST PASSED NO HISTORY WITHIN THE LAST 30 DAYS MEL CLEARED PLACARD REMOVED.

RUDDER PEDALS WERE LOCKED OUT IN NEUTRAL POSITION SPOKE TO CREW AND CONFIRMED BOTH PILOTS AND F/O SIDE RUDDER PEDALS WERE VERY HHRD TO MOVE AND THEY NEEDED TO APPLY ALOT OF FORCE TO FREE UP PEDALS. REMOVED LEFT NOSE WHEEL WELL CEILING PANEL ASSEMBLY # 14A7901-7 FOR INSPECTION ASSEMBLY # 141A790-7. REMOVED RIGHT NOSE WHEEL WELL CEILING PANEL ASSEMBLY # 141A7901-8 FOR INSPECTION PERFORMED RUDDER PEDAL DO NOT MOVE FREELY (CAPTAINS) FAULT ISOLATION FIM TASK 27-21 TASK 813 : STEPS (D1-D3) UP TO STEP (D4) AS PER FIM TASK 27-21 TASK 813 COMPLETED STEP (D-4). STEP (D-5) TO COMPLETION REQUIRED. COMPLIED WITH VISUAL INSPECTION OF RUDDER AFT QUADRANT AS PER FIM TASK 27-21 TASK 813 STEP (D-4) NO DISCREPANCIES NOTED. LEAK CK''S GOOD PER MM 53-14-01.

ENG ANTI-ICE COWL VALVE LIGHT IS ON VERIFIED RII REQUIREMENTS PER AMM 36-12-03/401. VALVE, FAN AIR OFF 42-3612-9-0001 0424 ON 42-3612-9-0001 3046 VALVE, FAN AIR OFF 42-3612-9-0001 0424 ON 0000 FOUND FAMV L INOPERATIVE. R&R FAMV L #1 ENG PER AMM 36-12-03/401. OPS CHECK NORMAL. OK TO CONTINUE IN SERVICE. PARTS USED: 42-3612-9-0001,QTY :1 1500707,QTY :1 ADD FAULT:36-12020 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1500707 SN OFF 0424.

AIRCRAFT WENT TO CWS PITCH AND ROLL UNCOMMANDED ON B AUTO PILOT CAPABILITY AND WERE UNABLE TO RE-ENGAGE L NAV. THIS WAS (STILL ON ARRIVAL, NO VECTOR LEG). PER CREW, AT 10,000 FEET WITH COMMAND B ENGAGED, ACFT INTO CWS PITCH AND ROLL AND ROLLED THE AIRCRAFT LEFT. THE FO THEN RECEIVED A MAP DISSAGREE, FOLLOWED BY THE NAV DISPLAYED BLANKING OUT FOR APROXIMATLY 60 SECONDS. THEY ALSO LOST L NAV REPLACED MODE CONTROL PANEL IAW AMM 22-11-34-400-801, OPERATIONAL TEST PASSED IAW AMM MODE CONTROL PANEL TEST IAW AMM22-11-34-740. LAND 3 TEST PASSED IAW 22-97-00-710. PERFORMED LAND VERIFY TEST SUCCESSFULLY. AIRCRAFT IS BEING PLACED BACK IN SERVICE.

R BLEED LIGHT ILLUM. C/W SCEPTRE PARTS ENTRY ON #2 ENG PRSOV. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1524725 SN OFF 3519 VALVE, SHUTOFF, OFF 42-3611-9-0002 3519 ON 0000 VALVE, SHUTOFF, OFF 42-3611-9-0002 3519 ON 42-3611-9-0002 3013 MAINTENANCE MESSAGE 36-11051 PRESENT. PERFORMED FIM TASK 36-11 TASK 805. REMOVED AND REPLACED PRSOV PER AMM 36-11-04. LEAK TEST, LRU REPLACEMENT TEST AND OR PNEUMATIC ENGINE ON - SYSTEM TEST ALL PASSED. MSG CLEARED. PARTS USED: 00-0609-3-9994,QTY :1 42-3611-9-0002,QTY :1 29-3612-3-0007,QTY :1

ENG COWL AND ENG ANTI ICE ILLUM BOTH ENG PERFORMED FAULT ISOLATION LRU REPLACMENT TEST PER FIM TASK 32-21 TASK 801 FAULTS CLEARED OPS CHECKS GOOD ADD FAULT:36-21010. RAN BOTH ENG''S, NO FAULTS. A/C OK FOR SERVICE.

#2 ENG LEAKING FUEL UPON ARRIVAL. FUEL PUMP DRAIN RUNNING FUEL IS OUT OF LIMITS. REMOVED ENG #2 MAIN FUEL PUMP REF AMM 73-11-01, NEEDS INSP BUYBACK FOR SEALS AND INTERFACE. INSPECTED P/N 2556M05P04 PER IPC , PACKINGS , AND INTERFACE INSPECTED, CLEAR TO INSTAL. INSTALLED ENG #2 MAIN FUEL PUMP REF AMM 73-11-01, PERFORMED DRY MOTOR LEAK TEST REF AMM 71-00-00 TEST 2, NEEDS INSP BUYBACK FOR FINAL AND LEAK TEST. PARTS USED: QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1533593 SN OFF 3855 INSPECTED INSTALLATION AND SECURITY OF #2 ENG FUEL PUMP AND LEAK TEST DRY. REF GMM 09-10-05 PUMP, FUEL OFF 42-7311-9-0003 3855 ON 0000 PUMP, FUEL OFF 42-7311-9-0003 3855 ON 42-7311-9-0003 4941 UPDATED INFO FOR SDR ON LOG PAGE 6929252. PERFORMED IDLE TEST REF AMM 71-00-00 TEST 4 NO FAULTS FOUND. OPS CHECK GOOD LEAK CHECK GOOD OK TO CONTINUE.

#2 FLAP TRACK FAIRING HONEYCOMB CRACK

LE DEVICES TRANSIT LIGHT STAYS ON SLATS 2 LE FLAPS TRANSIT LT ON LE SLAT 2 LT OVRHD QRH DID NOT FIX AHM DATA SHOWS FAULTS ON LE SLAT 2 AND LE SLAT 4 RETRACT SENSORS. LOCKING. UNLOCKED FOR SIGNOFF. T/S PER WDM 27-81-12-1 , FOUND OPEN BETWEEN S1094 AND PLUG D728A. DISCONNECTED SWITCH S1094, AND CLEANED CONNECTOR D10588. JUMPED PINS 1 AND 2 OF PLUG D10589, AND RECHECKED RESISTANCE BETWEEN D10589 AND PLUG D728A AND FOUND 4 OHMS. RECONNECTED SWITCH S1094 TO SYSTEM, AND BITE CHECKED FSEU, ALL CHECKS GOOD, NO DEFECTS NOTED. PARTS USED: 29-2788-3-0001,QTY :1.

ELECTRICAL SMELL IN AFT GALLEY. TURNED OFF COFFEE POTS AND GALLEY LIGHTS. SMELL WENT AWAY AND DID NOT RETUREN

#1 ENGINE INLET COWL HAS A BUBBLE SHAPED DEFECT ON OUTER SIDE WITH CRACKS AT APPROX. 8:00 OCLOCK POSITION.

FWD ENTRY DOOR LIGHT ILLUMINATED ON TAKEOFF REJECT INITIATED AT 110 KTS AS PER INBOUND CREW GROSS WEIGHT 170.800 LBS. BRAKES ON SPEED 110KNOTS. PRESSURE ALT 200FT. OAT 44C. RTO SELECTED FOR STOPPING A/C. THRUST REVERSERS WERE USED. TAXI FROM A/C STOP TO GATE APROX 1 MILE. NO TAIL WIND. HEAD WIND NEGLIGIBLE. STATUS MESSAGE NOT FOUND. CYCLED FWD DOOR SEVERAL TIMES AND LIGHT INDICATION WORKED. REQUIRES FURTHER T/S REF AMM 05-51-07-210-801. FOUND FWD ENTRY DOOR PROXIMITY SENSOR LOOSE AND TARGET OUT OF RANGE. SECURED SENOR AND ADJUSTED TARGET AS PER AMM 52-71-11-820-801. SYSTEM OPS CHECK GOOD. OK TO CONTINUE.

STAB OUT OF TRIM DISCONNECTED AP+AT ELEC TRIM OPS NORMAL PERFOMED DFCS FAULT REVIEW, FOUND MESSAGE 22-11830 ON FLT LEG 01, SUSPECT CREW OPERATION. PERFORMED DFCS LIBRARY TEST 60.32 AND 60.35 IAW FIM TASK 22-11 TASK D72, NO FAULTS FOUND ALL TESTS PASSED. NO RELATED MESSAGES FOUND.

ENG ANTI-ICE COWL VALVE LIGHT IS ON AT MORE THAN 28000 FEET ENG 2 COWL VALVE LIGHT REMAINS ILLUMINATED WHEN SWITCHED TO ON AT FL300 T/S PER FIM 30-21 TASK 810 FOUND #2 ENG ANTI ICE VALVE FAILED, REMOVED AND REPLACE VALVE REF AMM 30-21-11-000-801 AND 30-21-11-400-801 UPTO AND INCLUDING STEP H.(6)(C). REQUIRES INSTALLATION TEST PER STEP I. PARTS USED: 42-3021-9-0001,QTY VALVE, ANTI-ICE OFF 42-3021-9-0001 0474 ON 42-3021-9-0001 0424 VALVE, ANTI-ICE OFF 42-3021-9-0001 0474 ON 0000 :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1040632 SN OFF 0474 PERFORMED #2 ENG COWL ANTI ICE VALVE INSTALLATION TEST PER AMM 30-21-11-400-801 STEP I, OPS AND LEAK CHECKS GOOD. #2 ENG COWL VALVE LIGHT WORKS NORMAL.

AT APPROXIMATELY 16,000 FT DURING CLIMB OUT OF PDX THE AIRCRAFT EXPERIENCED A RAPID DECOMPRESSION. IT WAS DISCOVERED THAT THE L/H MID EXIT DOOR PLUG STRUCTURE BLEW OUT AND DEPARTED THE AIRCRAFT. THE FLIGHT CREW INITIATED AN EMERGENCY DESCENT AND DECLARED AN EMERGENCY. THE FLIGHT LANDED SAFELY IN PDX TWENTY MINUTES AFTER DEPARTURE. GROUNDED - YES. THE AIRCRAFT IS CURRENTLY GROUNDED. ROOT CAUSE INVESTIGATION IS ONGOING.

#2 ENGINE COMPRESSOR STALL ON DEPARTURE. QRC AND QRH COMPLETED. STALLED TWICE.<

COWL ANTI ICE NUMBER1 LGT ON. REPLACED #1 ENGINE COWL ANTI ICE VALVE REF FIM 30-21 TASK 811. OPS AND LEAK CHECKS GOOD.

FLIGHT ATTENDANT REPORTS FORWARD ENTRY DOOR IS HARD TO OPEN. GROUNDED - YES. CONDUCTED A DOOR HANDLE TORQUE TEST ON THE INTERIOR HANDLE IAW AMM 52-11-00-700-801 TORQUE VALUE FAR EXCEEDED 420 IN IBS. AMM REFERS TO 52-11-00-820-801 TO ADJUST HORIZONTAL CONTROL ROD. LUBRICATED L-1 DOOR PER REF AMM 12-25-11-640-801 ACCOMPLISHED FORWARD ENTRY DOOR SYSTEM TEST DOOR NOW OPENS WITH 408 IN IBS FORCE & PASSES DOOR SYST TEST REF AMM 52-11-00-700-801. NO ADJUSTMENTS NEEDED ON L-1 DOOR.

LE DEVICES TRANSIT LIGHT STAYS ON SLATS 7 NUMBER 7 LE SLAT TRANSIT LIGHT INTERMITTENT NO ROLL ASSOCIATED. WHILE SITTING AT GATE LEADING EDGE TRANSIT LIGHT WAS INTERMITTENT WITH A NUMBER 7 SLAT LIGHT ON ANDFLIGHT CONTROL DATA PAGE SHOWED INV INSTEAD OF FAR. ALSO HAVE MSG 27-81212 FOUND MM 27-81212. T/S REF FIM 27-81 TASK 818. MESSAGE NOT ACTIVE. CYCLED FLAPS/SLATS MULTIPLE TIMES NO FAULTS. VERIFIED #7 SLAT OB SENSOR STATES REF AMM 27-88-11-700-801. SENSOR IS READING CORRECTLY. VERIFIED GAP IS WITHIN LIMITS. NO INDICATION CHANGE WHEN SHAKING WIRES/SENSOR. OHMED OUT SENSOR, CHECKS GOOD. SMYD 2 SHOWING MM 27-32006. MESSAGE HIT SEVERAL TIMES AT CRUISE. T/S REF FIM 27-32 TASK 876. MESSAGE NOT ACTIVE. SWAPPED SMYD 1 AND SMYD 2 REF AMM 27-32-42. BOTH OP CHECK GOOD.

PER TABLE CARD 33-010-00 EMERGENCY LIGHTS FOUND L2 SLIDE LIGHT INOP. GROUNDED - YES. RE-LAMPED L2 EMERGENCY SLIDE LIGHT OPS TEST GOOD REF AMM 33-51-04-960-801.

F/A REPORTS L-2 DOOR VERY HARD TO OPEN AND CLOSE. GROUNDED - YES. ADJUSTED L2 DOOR GUIDE ARM AMM REF 52-13-00-820-801 STEPS I(1)3)-11). PERFORMED AFT ENTRY DOOR SYSTEM TEST ON L2 DOOR AMM REF 52-13-00-700-801. OPS CHECK GOOD. L2 DOOR OPENS AND CLOSES WITHOUT EXCESSIVE FORCE.

REJECTED TAKEOFF DUE TO ENTRY DOOR LIGHT. COMPLETED CHECK AND OPERATION FUNCTION OF FWD LH ENTRY DOOR AND SWITCHES. DOOR SYS OP CHECKS GOOD. REF AMM 52-11-00

R1 DOOR EXIT SIGN COVER MISSING. GROUNDED - YES. INSTALLED NEW EXIT SIGN COVER @ R1 DOOR. REF AMM 33-51-01.

TOILET FLUSH SYSTEM DOES NOT FLUSH (ALL TOILETS) PERFORMED FIM 38-32 TASK 803. FOUND LAV WASTE TANK TO BE FULL, AND SERVICED LAV SYSTEM. PERFORMED OPERATIONAL CHECK ON ALL LAVS, NO FAULTS NOTED.

LIGHTS ASSOCIATED WITH POWER SUPPLY M1673 INOP. GROUNDED - YES. REMOVED AND REPLACED EMER PWR SPLY M1673 S/N 169591 IAW 737 MAX AMM 33-51-06. OPS CHECK GOOD IAW 737 MAX AMM 33-51-06.

LIGHTS ASSOCIATED WITH POWER SUPPLY M1675 INOP. GROUNDED - YES. REMOVED AND REPLACED EMER PWR SPLY M1675 S/N 170722 IAW 737 MAX AMM 33-51-06. OPS CHECK GOOD IAW 737 MAX AMM 33-51-06.

LIGHTS ASSOCIATED WITH POWER SUPPLY M1673 INOP. GROUNDED - YES. REMOVED AND REPLACED EMER PWR SPLY M1673 IAW 737 MAX AMM 33-51-06. OPS CHECK GOOD IAW 737 MAX AMM 31-51-06. PO: 1076521.2.

LIGHTS ASSOCIATED WITH POWER SUPPLY M1675 INOP. GROUNDED - YES. REMOVED AND REPLACED EMER PWR SPLY M1675 IAW 737 MAX AMM 33-51-06. OPS CHECK GOOD IAW 737 MAX AMM 31-51-06. PO: 1076521.1.

WORKING TC 33-010-00 FOUND RH FWD OVERWING EXIT LIGHT INOP. GROUNDED - YES. RH FWD OVERWING EXIT LIGHT RELAMPED PER AMM 33-51-04-960-801. OPS CHECKS NORMAL.

EXIT SIGN COVER FY AFT GALLEY IS MISSING. GROUNDED - YES. INSTALLED NEW EXIT SIGN COVER AT L2 DOOR AFT POSITION REFER AMM 33-51-01OPS CK GOOD.

L VALVE ( WING ANTI ICE ) CAUTION LIGHT REMAINED ILLUMINATED AFTER SELECTING SWITCH ON. GROUNDED - YES. ACCOMPLISHED LEFT WING ANTI ICE VALVE HEALTH CHECK. REF AMM 30-11-11-200-801. ANTI ICE VALVE OPS NORMAL. OK FOR SERVICE.

EMERGENCY EXIT LIGHTS DO NOT ILLUMINATE ON A/C EXT. R/H SIDE AT 2 LOCATIONS. ONE ON THE FUSE. LOWER SIDE AFT OF TE FLAP. ONE IN BETWEEN OVERWING EMERGENCY EXIT HATCHES. GROUNDED - YES. REMOVED AND REPLACED 2 EA. EMERGENCY EXIT LIGHTS ON LOWER FUSE. NEXT TO TE FLAP AND R/H OVERWING FWD EMERGENCY EXIT LIGHT. OPS CHECK GOOD.

L VALVE CAUTION LIGHT REMAINED ILLUMINATED WHEN THE WING ANTI ICE SWITCH WAS ON WHEN THE SWITCH WAS TURNED OFF, THE LIGHT WENT OUT. GROUNDED - YES. PERFORED AMM 30-11-11-200-801. OPS CHECK NROMAL. NO DEFECTS NOTED. OK FOR SERVICE.

SPEED TRIM FAIL ILLUMINATED ON MASTER CAUTION RECALL PRIOR TO TOP OF DESCENT. GROUNDED - YES. REF FIM 22-11-00-810-D73 PERFORMED SURFACE TEST 60.32 ALL TESTS PASSED.TECH SERVICES SAM NOTIFIED. SEAMC ANDY NOTIFIED.

PRIOR TO DEPARTURE. LEFT FWD WINDOW OVERHEAT CAME ON. GROUNDED - YES. RAN QRH LIGHT WENT OUT.

DESCENDING THRU 12,000 FT WING ANTI ICE WAS SELECTED IN ICING CONDITIONS. L VALVE AMBER LIGHT ILLUMINATED. DESELECTED WING ANTI ICE TO AVOID ASYM ANTIICING. GROUNDED - YES. PERFORMED AN OPS CHECK ON L WING ANTI ICE, OP CHK NORMAL.. DETERMINED TO BE AN INTERMITTENT FAULT REF IFIM TASK 30-11-00-810-808. NO HISTORY 90 DAYS.

L VALVE LT ILLUMINATED DURING USE OF WING ANTI-ICE- COULD NEVER GET VALVE TO OPEN DESPITE 3 ATTEMPTS. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 30-11-00-810-AND OPS CHECKED PER B737-9 AMM 30-11-11-710-801. OPS CHECKED GOOD.

WHEN WING ANTI-ICE SELECTED ON IN FLIGHT, AMBER "L VALVE" STAYED ON. GROUNDED - YES. ACCOMPLISHED WING THERMAL ANTI-ICE VALVE HEALTH CK REF B737-9 AMM 30-11-11-200-801. OPS CHECK GOOD.

#1 HF NO TRANSMIT NO SIDETONE BOTH PILOT STATIONS RECEIVE IS OK, SELCAL RECEIVE OK. GROUNDED - YES. ON DEFERRAL.

"MAINT" LIGHT AFTER LANDING. GROUNDED - YES. FOUND ACTIVE FAULT ISOLATION 36-11020, ACCOMLISHED IFIM 36-11-00-810-802 PNEUMACTIC ENGINE ON SYSTEM TEST AMM 36-00-00-730-801 MAINT LIGHT REMAINS ON,69096. REMOVED AND REPLACED THE #1 ENG HPSOV REF AMM 36-11-07-000-801, LEAK TEST LRU REPLACMENT TEST AND SYSTEM TEST OK, SEAMC DOUG NOTIFIED , MAINT LIGHT EXTINGUSHED.

WHEN ATTEMPTING APU START. FAULT LIGHT ILLUMINATES. GROUNDED - YES. (RESOLVED ON W/O: 1974686 TASKCARD: N/R-00002 ) APU OPS CHECKS NORMAL REF AMM 49-11-00-710-802. MEL CLEARD, SEAMC WILL NOTIFIED.

#1 ENG BLEED LIGHT CAME ON AT SHUT DOWN,. GROUNDED - YES. OMF SHOWS MAINT MSG 36-00150 ON LAST FLT LEG, PERFORMED IFIM 36-00-00-810-836, BLEED LIGHT EXTINGUISHED, OMF EXISTING FAULT CHAPTER 36 NOT PRESENT, NO HISTORY LAST 60 DAYS.

AFTER LANDING-OVERHEAD MAINT LIGHT ILLUMINATED STATUES PAGE- BLEED FAMV L. GROUNDED - YES. FLT DECK EFFECT MSSG CODE# 36-12020. FOUND NO CORRELATED FAULTS IN OMF C/W IFIM TASK 36-12-00-810-801, VIA PNEUMATIC, ENGINE ON SYSTEM TEST LEFT. TEST PASSED. MSG DOES NOT SHOW, MTX LIGHT EXTINGUISHED. FAULT IS INTERMITTENT, NO FURTHER DEFECTS NOTED.

WING ANTI-ICE "L VALVE " LIGHT AND ASSOCIATED ASYMMETRIC WING ICE ON DESCENT. GROUNDED - YES. ACCOMPLISHED WING-ANTI-ICE VLV CHECK AND PERFORMED AN OPERATIONAL TEST ON THE WING-ANTI OPEN/CLOSED AFTER INTRODUCE PNEUMATIC SYSTEM OPS CHECK GOOD. ETOPS SIGNIFICANT GROUND TEST OPS CHECK GOOD. IN REF. TO AMM 30-11-00.

FAULT CODE 49-31161 "FCU RESOLVER CIRCUIT SHOWS SHORT" FOUND WHILE PERFORMING T/C 05-020-01. GROUNDED - YES. (RESOLVED ON W/O: 1977120 TASKCARD: N/R-00001 ) REMOVED AND REPLACED APU FCU PER AMM 49-31-11NO LEAKS NOTED.PERFORMED APU BITEPER AMM 49-61-00NO EXISTING FAULTS FOUND.THIS CLEARS MEL 49-11-01MAINTENANCE PROCEDURES REVERSEDPLACARD REMOVED.

GE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. (TASK CARD 73-ASA-01)(#PRI 1) CNR # 20231108022ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. (RESOLVED ON W/O: 1974685 TASKCARD: N/R-00001 ) ACCOMPLISHED TASK CARD 73-ASA-01 FOR #2 ENG BLOWOUT. OPS CHECK GOOD. THIS CLEARS TSR715226. SEAMC DAVE NOTIFIED.

#2 ENGINE CONTROL LIGHT ILLUMINATED AFTER TOUCHDOWN. GROUNDED - YES. ENG 2 CONTROL STATUS MSG FOUND ACTIVE, PER IFIM TASK G73-20-00-810-858 FOUND 2 NON ACTIVE FAULTS. MX MSG 73-43304 COMPRESSOR DISCHARGE PRESSURE (PS3) SENSOR IS OUT OF RANGE DETECTED BY ENG-2 EEC CHANNEL-B AND 73-43303 COMPRESSOR DISCHARGE PRESSURE (PS3) SENSOR IS OUT OF RANGE DETECTED BY ENG-2 CHANNEL-A. PER IFIM TASK G73-21-00-810-892, COMPLETED T/C 73-ASA-01 ENG 2 PRESSURE SUB SYSTEM AND SENSE LINE DRY OUT. STEPS 1.A-D. N.HEASLETT 40055. ACCOMPLISHED ENG #2 IDLE SYS TEST NO. 32, TEST PASSES & NO ENG CTRL LIGHT & NO ACTIVE FAULTS.

TECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(RIGHT FAMV FAULT 36-12021)----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1976146 TASKCARD: N/R-00002 ) REPLACED FAMV - REF AMM 36-12-03. OPS CHECKED GOOD.

L D=FWD WINDOW HEAT, OVERHEAT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROLLER BITE IAW IFIM 30-41-11-710-801. NO FAULTS. REMOVED AND REPLACED M00321 WINDOW CONTROLLER IAW AMM 30-41-11 PRECAUTIONARY. OPS CKS GODD. SEAMC STEVE NOTIFIED. 4 BREAKERS PULLED AND RESET.

"L" VALVE AMBER WING ANTI-ICE LIGHT ILLUMINATED APON WING ANTIICE SWITCH MOVED TO ON. GROUNDED - YES. ACCOMPLISHED MM TASK 30-11-11-200-801.L. THERMAL WING ANTI-ICE HEALTH CHECK. CYCLED VALVE 3 TIMES TO CLER BLOCKAGE. ALL VALVE INDICATIONS NORMAL. NO WING ANTI-ICE FAULTS.

L WING ANTI-ICE VALVE CAUTION LIGHT ILLUMINATED WHEN WING ANTIICE SELECTED DURING DESCENT. GROUNDED - YES. PERFORMED IFIM TASK 30-11-00-810-808 L/H WING ANTIICE VALVE LIGHT EXTINGUISHED. A/C OK FOR SERVICE. SEAMC NOTIFIED.2821712.

APU LUBE MODULE LUBE FILTER DPI POPPED WILL NOT RESET. GROUNDED - YES. (RESOLVED ON W/O: 1975989 TASKCARD: N/R-00004 ) REMOVED AND REPLACED OIL FILTER ELEMENTS REF AMM 49-91-12. NO LEAKS NOTED. DPI WAS RESET. PERFORMED APU STARTING AND OPERATION REF AMM 49-11-00, OPS CHECK GOOD. PERFORMED APU BITE PROCEDURE REF AMM 49-61-00. NO FAULTS NOTED. THIS CLEARS MEL 49-11-01. PLACARDS REMOVED. SEAMC NOTIFIED.

GE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. (TASK CARD 73-ASA-01)(#PRI 1) CNR # 20231108006ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. (RESOLVED ON W/O: 1976145 TASKCARD: N/R-00001 ) ACCOMPLISHED T/C 73-ASA-01, OPS CHECK GOOD. THIS COMPLETES TSR, SEAMC NOTIFIED.

GE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. (TASK CARD 73-ASA-01)(#PRI 1) CNR # 20231107022ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. (RESOLVED ON W/O: 1975597 TASKCARD: N/R-00001 ) ACCOMPLISHED T/C 73-ASA-01. RESTORED THE LEAP-1B PRESSURE SUB SYSTEM BY REMOVING THE ACCUMULATED MOISTURE FORM THE PSS UNIT AND PS3 AND P3B SENSE LINES PRESSURE SENSING SYSTEM.

WHILE PERFORMING TC 31-005-00 SCHEDULED MTX TASK DISPLAYFOUND ENG 1 EEC C2 , AND ENG 2 EEC CE SCHEDULED MTX TASK. GROUNDED - YES. ON DEFERRAL.

MAINT LIGHT ILLUMINATED. STATUS BLEED FAMV R. GROUNDED - YES. OPENED #2 FANCOWLS, T/R. REF. CHAPTER 5-07-01 PG3, TABLE 3, ITEM 7. REPLACED RIGHT FAN AIR MODULATING VALVE, LRU/LEAK CHECKS OK. REF. MM 36-12-03-400-801. CONFIRMED MAINT. LIGHT IS OFF. ALT. DEACTIVATION REVERSED. CLOSED #2 FAN COWLS, T/R. CONFIRMED LATCHED.

MAINT LIGHT ILLUMINATED ON ROLLOUT. ENG 2 VIBRATION MONITOR. GROUNDED - YES. ON DEFERRAL.

L VALVE WING ANTI-ICE LIGHT ON AFTER TURNING WING ANTI-ICE TO OFF POSITION. GROUNDED - YES. PERFORMED IFIM TASK 30-11-00-810-808, L/H WING ANTI ICE VALVE EXTINGUISHED A/C OK FOR SERVICE SEAMC CHRIS NOTIFIED.

DURING GVI ON APU FOUND BYPASS INDICATOR POPPED ON LUBE FILTER ELEMENT. GROUNDED - YES. REMOVED & REPLACED APU LUBE FILTER ELEMENT & RESET BYPASS INDICATOR. OPS CHECK GOOD. NO LEAKS FOUND. REF AMM 49-91-12-400-801 SEAMC NOTIFIED.

LEFT FORWARD WINDOW HEAT OVERHEAT. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT TEST FOUND L/H FORWORD #1 WINDOW P5-9 L/H FORWORD #2 WINDOW P5-9 R/H FORWORD #1 WINDOW P5-9 R/H FORWORD WINDOW BIT OKAY. R/R WINDOW HEAT CONTROL UNIT PER AMM 30-41-11-000-801 & 30-41-11-400-801 OPS CHECK GOOD A/C OK FOR SERVICE SEAMC SCOTT NOTIFIED.

DURING DESCENT WING ANTI-ICE R VALVE LIGHT STAYED ON WITH SWITCH ON. ACCOMPLISHED QRH. GROUNDED - YES. REMOVED & REPLACED R/H WING A/I VALVE REF MM 30-11-11. LEAK & OPS CHECKEDD GOOD. MEL 30-11-01B CLEARED. PLACARD REMOVED. SEAMC JEREMY NOTIFIED.

FLIGHT CREW REPORTS ON PREFLIGHT, MAINT LIGHT ILLUMINATING. GROUNDED - YES. MDS STATUS INDICATES ENG 1 CONTROL W/ A CORRESPONDING, NOT-ACTIVE MESSAGE OF 73-42701. CONFIGURED EEC POWER SELECTION FOR FLIGHT/NORMAL. PER IFIM G73-21-00-810-847, INITIAL EVALUATION MANIFESTS NO FURTHER FAILURES. LATCHED MESSAGE ERASED AND DO NOT REPOPULATE. ETOPS GROUND VERIFICATION SUCCESSFUL, SEAMC NOTIFIED.

ON ROLLOUT FROM LANDING MAIT LIGHT OVER HEAD PANEL ILLUMINATED. GROUNDED - YES. PERFORMED FIM TASK 36-12-00-810-802 PNEUMATIC ENG ON SYS TEST FOR R/H.TEST PASSED MAINT MSG CLEARED. FAULT IS INTTERMITTENT SEAMC WILL NOTIFIED NO HISTORY IN 30 DAYS.

IN DESCENT ELECTRIC STAB TRIM FAILED CAPT CONTROL COLUMN AND FOS CONTROL COLUMN BETWEEN 22000-19000 FEET

ENGINE CONTROL LIGHT #2. GROUNDED - YES. FOUND FAULT FOR ENG #2 OVERSPEED PROTECTION. PERFORMED ENG IDLE SYSTEM TEST IAW AMM 71-00-00-700-808-600.FAULT MESSAGES CLEARED.CONTROL LIGHTEXTINGUISHED.NO FURTHER DEFECTS NOTED.SEAMC NOTIFIED.TSAR174M.

DUAL FMC FAILURE IN FLIGHT AT 36,000 OVER CYBL. BOTH FMC RETURNED TO NORMAL WITHIN 5 SECONDS WITH NO PILOT INPUT. GROUNDED - YES. PERFORMED IFIM TASK 31-65-00-810-A02, OMF FAULT NOT ACTIVE 31-01611 AND 31-01612 SUGGESTING INTERMITTENT FAULT, NO FURTHER ACTION REQUIRED, NO HISTORY 30 DAYS.

IN CRUISE RIGHT SIDE WINDOW OVERHEAT LIGHT. RAN QRH. AFTER 5 MINUTE COOL DOWN TURNED SWITCH ON AND OVERHEAT LIGHT REMAINED. SWITCH TURNED OFF PER QRH. GROUNDED - YES. (RESOLVED ON W/O: 1976595 TASKCARD: N/R-00002 ) PERFORMED BITE TEST OF WHCU 1 & 2 REF AMM 30-41-11. NO DEFECTS NOTED. THIS CLEARS MEL 30-41-01B. C/N 05064919 REMOVED. SEAMC TODD NOTIFIED.

ON LANDING ROLL, MAINT LIGHT ILLUMINATED. GROUNDED - YES. REF FIM TASK 31-65-00-810-835, FOUND BLEED FAMV R STATUS MESSAGE, MAINT LIGHT STILL ON 39042 11/05/2023VERIFIED LATCHED FAULT BLEED FAMV R MESSAGE 36-12021, ACCOMPLISHED IFIM TASK 36-12-00-810-802 B(3) PNEUMATIC ENGINE #2 TEST PASS PER TASK 36-00-00-730-801, MAINT LIGHT IS NOT ILLUMINATED, SEAMC WIL NOTIFIED.

L2 WINDOW OVERHEAT ANNUNCIATOR ILLUMINATED ON THE GROUND. TURNED OF PER QRH AND BACK ON, OPERATES NORMALLY. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT SYSTEM TEST, NO FAULTS NOTED.

#1 ENG GEN FELL OFFLINE DURING TAXI OUT. COULD NOT RE ESTABLISH #1 ENG GEN ONLINE. GROUNDED - YES. (RESOLVED ON W/O: 1975781 TASKCARD: N/R-00005 ) REFERENCE WDM 24-21-11, FOUND CONNECTOR D30038 HELD ON TO PYLON BY ITS BONDING STRAP. THE BACKSHELL HAD ALSO FALLEN APART AND WAS UNABLE TO BE REASSMBLED. REPLACED THE FEEDER CABLE HARNESS OF THE #1 IDG PER MM'S 71-00-02-400-801-G00 STEP 3.J.(6) AND 24-11-11-400-801 STEP 3.H.(5). REVERSED MEL CONFIGURATION CHANGES AND PERFORMED AN OP-CHECK OF THE #1 GENERATOR PER MM 24-11-00-700-803 STEPS 2.E AND F. ALL TESTS NORMAL. ETOPS GROUND VERIFICATION GOOD. THIS CLEARS MEL 24-11-01. PLACARD AND C/N 04149924 REMOVED. SEAMC DARREN WAS NOTIFIED.

APU FAULT LIGHT ILLUMINATED WHEN STARTING APU ON TAXI IN TO GATE. GROUNDED - YES. CHECKED FOR OMF FOUND NO ACTIVE FAULT AND FOUND MSG #49-41012 (NO APU ROTATION SHUTDOWN) AND 49-41254 (START CONVERTER UNIT SHOWS START SYSTEM INOP) WHICH IS NOT ACTIVE. PERFORMED APU BITE PROCEDURE PER AMM 49-61-00-700-801. NO MORE ACTIVE MESSAGE FOUND REF IFIM 49-40-00-810-818.

MAINT LIGHT ON OVERHEAD. GROUNDED - YES. VERIFIED FAULT STATUS BLEED FAMV R. MSSG 36-12021. ACCOMP INITIAL EVALUATION USING BOTH TEST LRU REPLACEMENT TEST, TEST PASS REF AMM 36-12-00-720-801 & PNEUMATIC ENGINE #2 SYSTEM TEST, TEST PASS AFTER TEST FAULT CLEARED IT SELF. REF AMM 36-00-00-730-801 & IFIM 36-12-00-810-802.

APU FAULT LIGHT DURING APU START FIRST + SECOND ATTEMPT. GROUNDED - YES. CHECKED AND RELEASED PER MEL 49-11-01. APU INOP. ATTEMPTED 3RD START WITH FAULT LIGHT AND NO ROTATION. FAULT LIGHT CLEARED. FOUND MAINT MESSAGES ASSOCIATED WITH APU FAULT: 49-41254 (START CONVERTER UNIT SHOWS START SYSTEM INOP) AND 49-41012 (NO APU ROTATION SHUTDOWN. RECHECKED FOR OMF FOUND NO ACTIVE FAULT AND FOUND MSG #49-41012 AND 49-41254 WHICH ARE NOT ACTIVE. PERFORMED APU BITE PROCEDURE PER AMM 49-61-00-700-801. NO MORE ACTIVE MESSAGE FOUND REF IFIM 49-40-00-810-818. ATTEMPTED APU START SUCCESSFULLY 3 TIMES. THIS CLEARES MEL 49-11-01.

OVERHEAD MAINT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. RESET R PACK IAW 21-00-00 OPS NORMAL NO MSG NOTED AT THIS TIME.

WHILE PERFORMING TASK CARD 72-ASA-04 ON ENG #2, FOUND HPT #1 SHROUD MISSING COATING ON 12 HPT SHROUD PANELS. 75% TO 100% OF COATING MISSING ON ALL PANELS. GROUNDED - YES. ON DEFERRAL.

WHILE ACCOMP T/C 31-005-00 FOUND SMT FAULT BLEED FAMV RVDTR. GROUNDED - YES. PERFORMED IFIM TASK 36-12-00-810-804. TEST PASSED SMT NO LONGER ACTIVE .

FOUND OPEN C/B - PACK CONT VALVES L ALT LOCATED AT P6-4 D3. GROUNDED - YES. INSPECTED & RESET PACK CONT VALVES L ALT PER AMM 20-60-01. C/B REMAINS RE-SET. ACCOMPLISHED OPS CHECK OF PACK FLOW CONTROL VALVE PER AMM 21-51-00, OPS CHECK GOOD. SUCCESSFUL VERIFICATION ACCOMPLISHED.

OVERHEAD PANEL MAINT LIGHT ILLUMINATED. GROUNDED - YES. OMF SHOWS MAINTENANCE MESSAGE 73-44791 (EEC IS POWERED WHEN NOT COMMANDED). ACCOMPLISHED IFIM G73-21-00-810-A00. OPS TEST NORMAL REF AMM G73-21-00-801-G00.

CENTER RIGHT FUEL PUMP LOW PRESSURE LIGHT COME ON IN FLIGHT CENTER TANK FUEL QUANTITY AT THAT TIME WAS APPROXIMATELY 1,500 LBS QRA PROCEDURE COMPLETED. GROUNDED - YES. ON DEFERRAL.

SINGLE FMC OPERATION IN SCRAATCH PAD OF CAPT AND F/O CDU AMP ( YELLOW FLAG) ON CO-PILOTS CDU. GROUNDED - YES. PEFROMED BOTH CAPT & F/O FMCS OPS TEST NORMAL AMM 34-61-00-710-801, NO HISTORY LAST 60 DAYS.

WHILE PERFORMING TSR715194 UPON ENGINE IDLE RUNT TEST ON ENG. 1 PRESENT LEG FAULT MAINT. MSG 36-10170 "IASC-L (BLEED) HAS NO ENGINE-1 PS3 AND T3 DATA ON MDS-DPC GP 2 BUS" CORRELATED TO SMT BLD CTRL CARD L. SHOWS INTERMITTENT. GROUNDED - YES. PERFORMED IFIM TASK 36-10-00-810-809 CONFIRMED TO BE INTERMITTENT. GROUND VERIFICATION PASS SEAMC SCOTT NOTIFIED.

#1 FMC FROZEN ON ACARS PAGE. NO FUNCTION BUTTONS WORK. GROUNDED - YES. OMF SHOWS NO ASSOCIATED PRESENT LEG OR EXISTING FAULTS. FAULT HISTORY SHOWS FC 34-69001 / MORE THAN ONE SYS HAS NO IMPUT FROM FMC-1. OPENED FMCS COMPUTER & MCDU CB, CLOSED CB'S. NO ACTIVE FAULTS PRESENT. REF IFIM 34-61-00-810-836.

TECH SERVICES FOLLOW UP ON CFM CNR 20231103005 #2 ENG (S/N 60A519) TREND DATA SHOWS FUEL NOZZLE PILOT COKING. (#PRI3/ETOPS) (FULL SET FUEL NOZZLE REPLACEMENT 737MAX T/C 73-ASA-02)NO EXTENSION ALLOWED (225 CYCLES OR 45 DAYS, WHICHEVER OCCURS FIRST). GROUNDED - YES. (RESOLVED ON W/O: 1971461 TASKCARD: N/R-00001 ) REPLACED #2 ENGINE NOZZLE SET , REF. ASA T/C 73-ASA-02.

#1 ENGINE GEN TRIPPED DUTING TAXI NO VOLTS NO AMPS INDICATED. GROUNDED - YES. (RESOLVED ON W/O: 1975555 TASKCARD: N/R-00002 ) FOLLOWED IFIM 24-21-00-810-820. ALL WIRE CHECKS GOOD. REPLACED NO.1 GCB 801 AND APU CB 803 REF AMM 24-21-41. ALSO REF BOEING FTD 24-22003. KNOWN ISSUE WITH CB P/N 51080205-001. BOTH CB 801/803 WERE AFFECTED SN. REVERSED ALL MX PROC FOR MEL 24-11-01. ALL LT BULBS INST. IDG RESET. SW. GUARD SAFETIED. NO 1 GEN AND APU GEN OP CHKS GOOD. TRANSFERRED POWER SOURCE MULTIPLE TIMES NO DEFECTS NOTED. CLEARS MEL 24-11-01. PLACARDS REMOVED. ETOPS GND VER. SUCCESSFUL. SEAMC TODD NOTIFIED. NO.1 GCB S/N REM. CU-99970 APU CB S/N REM. CU-99938.

DURING TAXI IN PDX RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED QRH WHICH RESOLVED THE ISSUE.

FOLLOW-UP TO REPORT OF #2(RH) BLEED LIGHT WITH FAULT 36-00161(RT BLEED OVER PSI SHUTDOWN) ----(#PRI1)ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1976595 TASKCARD: N/R-00001 ) REMOVED AND REPLACED #2 ENG. HPSOV IN REF TO AMM 36-11-07. OPS TEST GOOD AND NO LEAKS NOTED. THIS CLOSES TSR715197.

AT FL 370; HEARD A POP; DISCOVERED R1 WINDSHIELD DISPLAYED EXCESSIVE CRACKING. RAN QRH HEARD STRANGE NOISE POSSIBLY ASSOCIATED WITH THE WIND SHIELD DAMAGE; DIVERTED TO KSLC. PRESSURIZATION NORMAL THROUGHOUT

APU FAILED TO START ON TAXI IN TO GATE AND FAULT LIGHT ILLUMINATED. GROUNDED - YES. ON DEFERRAL.

AFTER APU START, UNABLE TO PUT APU GEN ON THE BUS. GROUNDED - YES. (RESOLVED ON W/O: 1976088 TASKCARD: N/R-00001 ) REMOVED AND REPLACED APU SGU IAW AMM 49-41-21. SGU PART NUMBER VERIFICATION WITH SEAMC PETER ACCOMPLISHED. 2CB PULLED, COLLARED AND RESET. OPS CHECK GOOD. THIS CLEARS MEL 49-11-01. PLACARDS REMOVED. REF L/P 60906860 FOR PLT FOR SGU FILTER CHANGE AND REF L/P 60906852 FOR REQ CSS MEL 49-99A. SEAMC SCOTT NOTIFIED.

TWO UNSUCCESSFUL APU START ATTEMPTS ON TAXI IN. APU FAULT LIGHT ILLUMINATED BOTH TIMES. GROUNDED - YES. PERFORMED APU BITE AND OPS TEST REF AMM 49-11-00. COULD NOT DUPLICATE THE FAULT. NO DEFECTS NOTED AND OPS NORMAL.