N402AS
Registered owner: ALASKA AIRLINES INC, WA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
EMERGENCY LIGHT (EXTERIOR) NEXT TO R1 DOOR NOT ILLUMINATED WHILE ACCOMPLISHING T/C. GROUNDED - YES. RELAMPED EXTERIOR R1 EMERGENCY LIGHT IAW AMM 33-51-04 OPS CHECK GOOD.
FA REPORTS L1 DOOR IS DIFFICULT TO CLOSE. GROUNDED - YES. CLOSED L1 DOOR WITH INTERIOR HANDLE IAW AMM 52-11-00 NO DISCREPANCY NOTED SYSTEM OP CKS NORMAL.
DURING T/C 78233001, FOUND R2 & L2 EMERGENCY LIGHTS INOPERATIVE. GROUNDED - YES. R & R THE EMERGENCY LIGHT R2 & L2 BATTERY PACK IAW AMM 33-51-06/401. OPS CHECKED REQUIRED. REPLACED THE LAMPS R2 SLIDE/OVERWING LIGHT IAW AMM 33-51-04. OPS TESTED GOOD.
STINKY SOCK ODOR IN FLIGHT DECK - ODOR IS STRONGER ON THE GROUND. GROUNDED - YES. ON DEFERRAL.
LIGHT COVER ON DIVIDER WALL BY AFT LAV LEFT SIDE KEEPS FALLING OFF. GROUNDED - YES. REPLACED EMERGENCY LIGHT RECEPTACLE. OPS CK OK.
FA ADVISE THE EMERGENCY LIGHT AFT OF RAFT 4 IS MISSING COVER. GROUNDED - YES. REPLACED MISSING EMERGENCY LIGHT LENS COVER AS REQUIRED.
BOTH EMERGENCY LIGHTS OVER LH OVER WING EXIT HATCHES INOP. GROUNDED - YES. M1694 BATTERY PACK BAD, REMOVED AND REPLACED M1694 IAW AMM 33-51-06-960-805. ALTERNATE DEACTIVATION PROCEDURES USED IAW MPM CH5, 5-07-01, TABLE 3. OPS CHECK GOOD.
ROW 12 PHOTO ILLUMINATION STRIP HAS COME LOOSE. GROUNDED - YES. REMOVED AND REPLACED FLOOR TRACK PROXIMITY LIGHT NEAR ROW 12, REF AMM 33-51-15-960-801.
EMERGENCY EXIT LIGHTS OVERWING EXIT ROW ARE CYCLING ON AND OFF. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1694 IAW AMM 33-51-06-960-806. OPS CKS GOOD. ALTERNATE DEACTIVATION PROCEDURES APPLIED AND REVERSED IAW MPM 5-07-01 TABLE 3 ITEM 1.
WITH ALL DOORS CLOSED EMERGENCY CEILING LIGHTS AT A/C LEFT ROW 15 ILLUMINATED AND FLUCTUATED ON AND OFF - EMERGENCY WINDOW LIGHTS AT ROW 16A AND 17A DID THE SAME. GROUNDED - YES. RESET EMERGENCY LIGHTS BY TURNING ON AND OFF BOTH FWD FLT DECK SWITCH AND AFT GALLEY NO DEFECTS NOTED NO RECENT HISTORY OK FOR SERVICE - REF FIM TASK 33-50-00 (INTERMITTEN FAULT).
UPON CLEAN FOR PREP TO CLOSE CABIN FLOORS FOUND R/H SIDE CREASE BEAM INNER CHORD CORRODED STA 787 TO 887. GROUNDED - YES. REPAIRED CREASE BEAM INNER CHORD IAW EA 900ER-53EA-26548W=1" O=.050" R=.038" L=.3" D=.012".
BAFFLE CRACKED R/H 500A TO 500B. GROUNDED - YES. BAFFLE R/H 500A TO 500B REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
BAFFLE CLIP CRACKED AFT SIDE OF 500A R/H SIDE. GROUNDED - YES. BAFFLE CLIP AFT SIDE OF 500A R/H REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
BAFFLE CRACKED 4/H 500C TO 500D. GROUNDED - YES. BAFFLE R/H 500C TO 500D REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
FWD WET AREA INTERCOSTAL STA 312 TO 328 LBL 45 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0.
AFT CARGO FWD OF DOORWAY SHEILD PANEL CORRODED ON UPPER AND LOWER SURFACES. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1 REMOVED AND REPLACED SHEILD PANEL IAW B737-900ER SRM 51-40-02-0G-0W 2 O .050 R .037 L 4 D .013.
AFT WET AREA STA 1016 FLOOR BEAM HAS SPOT OF CORROSION RBL 36. GROUNDED - YES. FOUND TO HAVE 100% MAT LOSS AT FASTENER HOLE. REPAIRED FLOOR BEAM IAW ASA EA900ER-53EA-26485W- 2 O- .150 R- 0 L- 2 D- .150.
AFT CARGO RBL-13.84 CARGO TIE DOWN TRACK CRACKED IN THE RADIUS AT FRAME 727I. GROUNDED - YES. CUT OUT DAMAGED SECTION AND REPAIRED CARGO TRACK IAW B737-900 53-00-53-2R-3.
FWD CARGO DOORWAY SILL WEB CORRODED STA-440 TO STA-490. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15-1A-1. REMOVED AND REPLACED SILL WEB IAW B737-900ER SRM 51-40-02-0G-0W 2 O .045 R .039 L 10 D .006.
LEFT OVERWING EMERGENCY LIGHTS FAILED BATTERY TEST. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE BATTERY PACKS & CHARGER S/N 213871 OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-960-805, 33-51-06-960-806.
LEFT OVERWING EMERGENCY LIGHTS FAILED BATTERY TEST. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE BATTERY PACKS & CHARGER S/N 249855 OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-960-805, 33-51-06-960-806.
WHEN STARTING PREFLIGHT, ENGINE 2 IGNITION LEFT CIRCUIT BREAKER POPPED. GROUNDED - YES. FOLLOWED C/B RESET PROCEDURE IN REF WITH B737-900 AMM 20-60-01. OPENED C/B PANEL TO INSPECT FOR ARCHING BURNS OR DEBRIS. NO ISSUES NOTED. CLOSED C/B ENGINE 2 IGNITION LEFT C/B STAYED IN PERFORMED ENGINE RUN WITH CREW ON ENGINE 2 IGNITION LEFT. IN REFERENCE WITH AMM 71-00-00, OPS CHECK GOOD. C/B REMAINED IN.
PER T/C 78233008, FWD OVERWING EMERGENCY EXIT LT @ CENTER ISL DOESNT COME ON. GROUNDED - YES. REPLACED POWER PACK REF 33-51-06 OPS CHECKS GOOD.
GE DIAGNOSTICS REPORTS #2 ENGINE (SN 963291) TREND DATA SHOWS A DELTA EGT INCREASE AND EGT HOT DAY MARGIN DECREASE. EGT INDICATION ERRORS ARE SUSPECTED. CNR 20230620039PRI2. GROUNDED - YES. #2 ENG FAULT HISTORY PAGE LOGGED FAULT MSG 77-20872 FOR THE LAST 10 LEGS. REF FIM TASK 77-21 TASK 804, INPUT MONITORING SHOWS S1: 63.06, S2: 34.31, S3: 34.64 AND S4: ---. EEC BITE TEST SHOWS CURRENT FAULT 77-20872. S4 EGT WIRING CHECKED GOOD PER AMM TASK 77-21-01-200-801-F00. REMOVED AND REPLACED EGT S4 PROBE PER AMM TASK 77-21-01-400-801-F00. EEC BITE TEST GOOD W/O FAULTS. POST EGT READINGS S1: 40.36, S2: 24.31, S3: 24.72 AND S4: 39.14. A/C RESTORED TO NORMAL CONFIG.
DURING T/O ROLL AT ABOUT 150KTS #2 ENG EGT EXCEEDED REDLINE. MAX TEMP OBSERVED WAS 997 AT 1000 FEET AGL. GROUNDED - YES. ON DEFERRAL.
TECHNICAL SERVICES RECEIVED EXCEEDANCE R06 REPORT POSSIBLE EGT EXCEEDANCE ON TAKEOFF FOR #2 ENGINE. GROUNDED - YES. CONFIRMED ENG # 2 EGT TEMP EXCEEDANCE PER TASK 71-00-00-740-801-F00 EGT RED LIMIT PEAK 969.0 C RED 950.0 C FOR DURATION OF 37.2 SEC. PERFORMED INSPECTION TASK 71-00-00-800-804-F00. PLACED ON PLT DEFERRAL FOR 75 FLIGHT HOURS IAW SUBTASK B737-900 AMM 71-00-00-210-033-F00.
DURING CLIMB THE FLIGHT DECK BECAME HOTTER THAN NORMAL. WE COULD NOT GET IT UNDER CONTROL VIA NORMAL MEANS. SO WE FOLLOWED THE QRH. ONCE THE TRIM AIR WAS TURNED OFF WE REGAINED CONTROL OF THE TEMPERATURE. WE LEFT THE TRIM AIR OFF FOR THE REST OF THE FLIGHT. GROUNDED - YES. REMOVED AND REPLACED TRIM AIR MODULATING VALVE FOR THE CONTROL CABIN DUE TO MULTIPLE HISTORY TEMP CONTROL CABIN WITH TRIM AIR REF B737-900 AMM 21-61-21.
WXR FAILED WHEN ACTIVATED. GROUNDED - YES. VERIFIED WXR TEST SHOWS ANTENNA FAIL. REF B737-900 FIM 34-43 TASK 801. REMOVED AND INSTALLED NEW WXR ANTENNA DRIVE UNIT PER B737-900 AMM 34-43-11/401, OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.
IN FLIGHT, VIBRATION OCCURRED IN A TURN THAT COULD BE FELT BY OUR FEET AND SEEMED TO ORIGINATE IN FRONT OF US. WX RADAR STARTED TO ACT ERRATICALLY AND VIBRATION STOPPED WHEN WE TURNED OFF RADAR. GROUNDED - YES. REMOVED & REPLACED RADAR PEDESTAL DRIVE. REF B737-900 AMM 34-43-11-000-802 & 34-43-11-400-802.
PWS FAIL ON TAKEOFF AND RADAR WHEN TURNED ON, CREATES A HEAVY LOW TONE VIBRATION FROM FORWARD OF THE INSTRUMENT PANEL. GROUNDED - YES. WEATHER RADAR SYSTEM BITE OPS NML. REF B737-900 FIM 34-43 TASK 801. WEATHER RADAR SYSTEM TEST OPS NML, REF B737-900 AMM 34-43-00-730-802-001, NO NOISES NOTED. GROUND VERIFICATION SUCCESSFUL.
#2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION STILL GREATER THAN EXPECTED. GROUNDED - YES. PER TSR NOTES ACCOMP STEP 5 BORESCOPE INSP OF THE BOOSTER STAGES 3 AND 4 IAW B737-900 AMM 79-00-00-200-803-F00. NO EVIDENCE OF OIL LEAK FOUND. ACCOMP VENTS AND DRAINS INSP IAW AMM 71-71-00. INSTLD BAGS ON SIX DRAIN LINES FOR FURTHER T/S. ACCOMP TSR STEPS 1 THRU 4, NO DEFECTS NOTED. IDLE ENG RUN OF 15 MIN ACCOMP FOR VENTS AND DRAINS INSP AS NOTED, NO DEFECTS. ACCOMP PART POWER RUN, FOUND IDG SEAOL FAILED LEAKING OIL TO IDG DRAIN. REMOVED IDG AND REPLACED SEALOL SEAL. REINSTALLED IDG. LEAK /OPS CHECKS GOOD . ACCOMP POWER RUN. NO FURTHER LEAKS FROM IDG DRAIN REF AMM 72-60-00 AND 24-11-11.
AT CRUISE FLIGHT GOT VTK ON CPT MAP AND BOTH FMC WENT BLANK AND 10 SECONDS EVERUTHING PERFORMED TO NORMAL. GROUNDED - YES. PERFORMED FMC RESET PER B737-900 FIM 34-66 TASK 836. OPS CHECK NORMAL.
REPORTED FUEL LEAK ON NUMBER 2 ENGINE. GROUNDED - YES. REPLACED #2 ENGINE, L/H VSV ACTUATOR REF B737-900 MM 75-31-01.
AFT R/H OVERWING EMERGENCY EXIT LIGHT INOP (RELAMPED WAS NO HELP). GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK FOR POWER SUPPLY M1671 REF B737-900 SSM 33-51-13 PG 103 SH 2 AMD REF A, 33-51-06-960-805.
WHILE ACCOMPLISHING ASA T/C SBCFM56-7B-72-0986-1 METALLIC BYBRID BORESCOPE FOUND NUMEROUS VSV BUSHING MISSING ON STAGE 3. FOUND 18 VSV BUSHING MISSING ON THE LOWER HALF SEGMENT. ASA 77 INSP . FOUND 20 BUSHING MISSING ON THE UPPER HALF SEGMENT ON STAGE 3. ASA INSP. 82261 #2 ENGINE S/N 963292. GROUNDED - YES. REMOVED #2 ENGINE S/N # 963-292, REPLACED WITH S/N # 877579 REF. T/C # 78471000 W/O # 1937995. DEFECTS TRANSFERRED TO ASA SHOP W/O # 1938020.
REF LOG PAGE # 60514422 PER MAINTENANCE REQUEST - INSPECT STAGE 1 & STAGE 2 FOR MISSING BUSHING. FOUND 23 BUSHING MISSING ON THE LOWER HALF SEGMENT ON THE ACTUATION RING. ASA 77 INSP #2 ENGINE S/N # 963292. GROUNDED - YES. REMOVED #2 ENGINE S/N # 963-292, REPLACED WITH S/N # 877579 REF. ASA T/C # 78471000 W/O # 1937995. DEFECTS TRANSFERRED TO ASA SHOP W/O # 1938020.
WHILE PERFORMING ASA T/C # SBCFM56-7B-72-0986-1 NOTED THE J-HOOK TO BE WORN THROUGH FOR APPROX 2.5" AND MISSING THE TOP CUP, THEN CRACKED FOR AN ADDITIONAL 2 INCHES @ 2ND STAGE NEAR THE 9 O'CLOCK SPLIT LINE. PER THE T/C STEP. 6 A. NOTE J-HOOK CAN NOT BE WORN THROUGH. ESN # 963291 #1 ENG. GROUNDED - YES. REMOVED #1 ENGINE S/N # 963291, REPLACED WITH S/N # 890730 REF. T/C # 78471000 W/O # 1933619. DEFECT TRANSFERRED TO ASA SHOP W/O # 1937932.
WHILE ACCOMP ASA T/C # SBCFM56-7B-72-0986-1 ESN # 963291 #1 POSITION FOUND MAJORITY OF 3RD STG VSV DRIVE RING BUSHING WORN OUT / MISSING. GROUNDED - YES. REMOVED #1 ENGINE S/N # 963291, REPLACED WITH S/N # 890730 REF. ASA T/C # 78471000 W/O # 1933619. DEFECT TRANSFERRED TO ASA SHOP W/O # 1937932.
REF ASA TASK CARD 78273000 FOUND ENGINE #2 FAULT MESSAGE. ENGINE 2 SHORT TIME FAULT. FAULT CODE 75-30602. THE TBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REMOVED & REPLACED #2 ENG TBV PER B737-900 AMM 75-23-01.
HF2 IS INOP. GROUNDED - YES. PERFORMED HF2 BITE IAW B737-900 FIM 23-11 TASK 801. NO DEFECTS NOTED. PERFORMED HF OPS TEST IAW B737-900 AMM 23-11-00. TEST PASSED. GROUND VERIFICATION FOR ETOPS SUCCESSFUL.
CONT CABIN ZONE TEMP LT ON RECALL AFTER ENGINE START (MAINT TAXI). GROUNDED - YES. #2 PZTC BITE SHOWS FLT DECK TRIM VALVE LT ON BIT/PREV FLT. NO FAULTS ON VERIFY TEST. RESET AFTER BIT REF B737-900 AMM 21-61-00. CABIN TEMP CONT OPS CKS GOOD. REF AMM 21-61-00 NO ZONE LT FOR CONT CABIN-ALL ZONES CK GOOD. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
#2 ENGINE FAILED TO START WITH THE RIGHT IGNITOR 2 FAILED ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED THE R/H IGNITER PLUG, R/H IGNITION LEAD AND EXCITER. OPS CHECK GOOD. PERFORMED TWO SUCCESSFUL ENGINE STARTS ON THE R/H IGNITION. REF AMM 74-21-01, AMM 74-21-02 AND AMM 74-11-01. ORIG SUB DATE: 12/1/2022
LEFT FMC FAILED DURING CRUISE WITH VTK AND MAP FLAGS ON CAPTAIN'S ND. NORMAL OPERATION RESTORED BEFORE QRH PROCEDURE. GROUNDED - YES. OPS TEST FMC. NO FAULTS FOUND. PERFORMED B737-900 FIM 34-61 TASK 836 NO FAULTS PRESENT PER FIM FAULT WAS INTERMITTENT NO ACTION REQUIRED.
WHILE ACCOMPLISHING BITE OF PZTC REF L/P 60409914, FOUND #1 PZTC ZONE LT HARD FAIL ON VERIFY BIT, WOULD NOT RESET. AFT CABIN TRIM VALVE HARD FAULT. GROUNDED - YES. RAN PACKS AND VERIFIED AFT ZONE TEMP RESPONDED TO TEMP CONTROL SELECTION. AIR COND ON 6 PACK OPERATES NML, NO ASSOCIATED P5 ZONE LTS ILLUMINATED. RAN PZTC ON #1 AND #2 REF FIM 21-62 TASK 801 SEVERAL TIMES WITH NO FURTHER FAULTS, OPS CKS NML.
CONT ZONE TEMP ON RECALL. GROUNDED - YES. ACCOMPLISHED BITE OF PZTC REF B737-900 FIM 21-62 TASK 801 #1 FAULTED ON BIT AND PREV FLT, FLT DECK TRIM VALVE, ON VERIFY GREEN GO. RE-ACCCOMPLISHED PZTC AND NO FAULTS, CONT CAB ZONE TEMP NO LONGER ILLUMINATES ON RECALL. OPS CKD NML. NO HISTORY 30 DAYS.
MAINTENANCE CONTROL/TECH SERVICES REQUEST: FOLLOW UP TO HISTORY OF #1 ENGINE B FIRE LOOP FAULTING. GROUNDED - YES. COMPLIED WITH ALL TSR STEPS. (STEP 1) ACCOMPLISHED B737-900 FIM 26-10 TASK 805. UPPER FAN (M1757) = 5.88K, LWR FAN (M1758) = 3.84K, RT CORE (M1760) = 2.40K, LT CORE (M1759) = 2.97K. (STEP 2) ACCOMPLISHED CLEANING & GVI ALL DETECTORS & LUGS. FOUND UPPER FAN DETECTOR (LOOP B) WIRE RUBBING AGAINST THE DETECTOR HOUSING, INSULATION CUT & WIRE EXPOSED TO GROUND. (STEP 3) REPAIRED WIRE INSULATION REF STANDARD WIRE PRACTICE.
ENGINE #1 FIRE WARNING SWITCH WILL NOT ILLUMINATE DURING TEST. (LOOP B WILL NOT TEST, LOOP A TESTS SATISFACTORY). GROUNDED - YES. PERFORMED FIRE DETECTION MODULE BITE. REF B737-900 FIM 26-10 TASK 801, FOUND #1 ENG "B" LOOP FAULT. CLEAN DETECTORS #1 ENG LOWER LOOP FAN AREA. REF B737-900 AMM 26-11-02. FIRE DETECTION SYSTEM OPS CHECKS GOOD. REF AMM 26-11-00.
#2 ENGINE RH VSV ACTUATOR EXCESSIVELY LEAKING. APPROX 60 DROPS/MIN. GROUNDED - YES. REPLACED #2 ENG RH VSV ACTUATOR PER B737-900 AMM 75-31-01.
CEILING - MOUNTED EXIT SIGN KNOCKED DOWN. AND IS HANGING BY ITS POWER WIRE MID-CABIN. GROUNDED - YES. RE-SECURED IN PLACE LIGHT ASSEMBLY AS REQUIRED & OPS TEST GOOD. IAW B737-900 AMM 33-51-00.
ENG #2 EGT RED ON T/O, 960 C FOR 9 SEC. GROUNDED - YES. REPLACED T49.5 PROBE #3 REF B737-900 AMM 77-21-01/401. REPLACED CJ10 HARNESS REF AMM 7321-06/401.
TECHNICAL SERVICES RECEIVED EXCEEDANCE R06 REPORT POSSIBLE EGT EXCEEDANCE ON TAKEOFF FOR #2 ENGINE. GROUNDED - YES. REPLACED PROBE #3 REF B737-900 AMM 77-21-01/401. REPLACED CJ10 HARNESS REF AMM 7321-06/401.
FA REPORTS EMER EXIT SIGN MARKING OVERWING EXITS FELL OUT OF MOUNTING BRACKET & HANGING BY A WIRE. GROUNDED - YES. REINSTALLED EMER EXIT SIGN BY OVERWING EXITS REF B737-900 AMM 33-51-01. REMOVED AND REPLACED POWER SUPPLY AT RH MID CABIN REF B737-900 AMM 33-51-06. OPS CHECK GOOD.
SITTING AT THE GATE WITH APU BLLED AND BOTH PACKS OFF, SUDDENLY GOT L PACK LIGHT ILLUMINATED, AND WOULD NOT RESET WITH MASTER CAUTION RESET. THIS PACK ALREADY HAS MEL 21-32B APPLIED. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE TEST AND FOUND TCV FAULT. CLEARED FAULT. RAN LH PACK FOR 10 MINUTES. NO FAULTS NOTED. OPS CHECK GOOD. LH PACK LIGHT EXTINGUISHED. GROUND VERIFICATION SUCCESSFUL. SEAMC JOEY NOTIFIED. NON ASA# YUJR093Y.
LEFT SIDE VTK ILLUMINATED FOLLOWED BY MAP FLAG AND NO INFORMATION ON EITHER CDU'S FMC-L INOPERATIVE. GROUNDED - YES. REPLACED THE LH FMC PER B737-900 MM 34-61-02/401. OP-CHECKS GOOD. THIS CLEARS MEL 34-36J. PLACARDS WITH C/N 28060402 REMOVED. CONFIGURATION CHANGE REVERSED BY PLACING FMC SELECT SWITCH BACK TO NORMAL. SEAMC STEEVE WAS NOTIFIED.
AT FL360, ENG LOW OIL QTY ALERT W/3 QTS INDICATED ON ENG #1. SLOW DECREASE TO ZERO QTY. OIL TEMP SLOW INCREASE TO 105 DEG. OIL PRESSURE FLUCTUATIONS 1-3 PSI W/ 27 PSI INDICATED IN DESCENT. ENGINE SHUT DOWN PER QRH. GROUNDED - YES. DIVERSION - ADDED 17 QTS TO #1 ENGINE. OPENED #1 ENG O/B T/R. FOUND OIL LEAKING FROM TURBINE REAR FAN FRAME OIL SUPPLY LINE (AFT SUMP). REMOVED HEAT SHIELD FOUND COUPLING NUT LOOSE. RESECURED COUPLING REF B737-900 AMM 72-56-00. REINSTALLED HEAT SHIELD. PERFORMED STEPS 1 THRU 4 ON TSR712594 FOUND NO EVIDENCE OF DEBRIS ON MCD'S OR SCAVENGE FILTER. COMPLETED TSR 712594. NO DEFECTS NOTED, POWER ASSURANCE CHECK COMPLETED NO ABNORMALITIES. WITHIN LIMITS.
LEFT PACK LIGHT ILLUMINATED DURING DESCENT BELOW FL260 SINGLE PACK LIGHT STAYED ILLUMINATED. GROUNDED - YES. PERFORMED PZTC BITE - B737-900 AMM 21-61-00. FOUND #1 PZTC LOGGED LEFT PACK TCV. ONE TIME. ABLE TO CLEAR FAULT. GROUND RAN LEFT PACK FOR 1 HR. NO FAULTS LOGGED. SYS OPS NML. REF AMM 21-61-00/501.
RADAR HAS INTERMITTENT VERY LOW POWER OUT DURING FLIGHT. POOR DEPICTION OF HAZARDOUS THUNDERSTORMS WITH GAIN HIGH OR LOW. TESTS OK ON GROUND. UNSATISIFACTORY FOR FLIGHT INTO WEATHER WITH POSSIBILITY OF NEED FOR RADAR. POOR RECEPTION OF DATA DEPICTING SEVERE THUNDERSTORMS. GROUNDED - YES. DUE TO HISTORY REMOVED & REPLACED WXR RECEIVER/TRANSMITTER PULLED & RESET 2 ASSOCIATED CBS. B737-900 AMM 34-43-121 ACCOMPLISHED OPS CHECK AMM 34-43-00.
OVERHEAD EXIT SIGN BETWEEN OVERWING EXITS INOP. GROUNDED - YES. FOUND POWER SUPPLY M1695 INOP. REMOVED & REPLACED POWER SUPPLY IAW B737-900 AMM 33-51-06. OPS NORMAL.
WX RADAR AFTER SWITCHING TO MANUAL AND BACK TO AUTO REMAINED STUCK IN MANUAL ON FO SIDE. RETURNS WERE ALSO VERY INACCURATE UNTIL VERY CLOSE TO PRECIP. GROUNDED - YES. PERFORMED MULTIPLE GOOD OPS TESTS ON GROUND PER B737-900 AMM 34-43-00-710-802-001. PERFORMED MULTIPLE GOOD SYSTEM TESTS ON GROUND PER AMM 34-43-00-730-802-001.
IN CRUISE VTK APPEARED ON CAPTAINS ND AND FMC DATA DISAPPEARED ON BOTH CDU'S. AFTER ABOUT 1 MINUTE, THE VTK FLAG DISAPPEARED AND FMC DATA WAS RESTORED ON BOTH CDU'S. GROUNDED - YES. PERFORMED FMC BITE TEST PER B737-900 FIM 34-61 TASK 801. BOTH FMC CHECK GOOD.
CONT CABIN ZONE TEMP LIGHT ILLUM ON MASTER RECALL ZONE TEMP LIGHT EXTINGUISHES W/ MASTER CAUTION RESET(PUSHED). GROUNDED - YES. ON DEFERRAL.
LEFT ENG DUCT PRESSURE @ 5 PSI AT IDLE. GROUNDED - YES. ACCOMPLISHED TROUBLESHOOTING ON LEFT ENG PNEU SYS PER B737-900 AMM TASK 36-00-00-860-807 PROCEDURE C. STEPS 1 THRU 6. R & R HIGH STAGE REGULATOR & HIGH STAGE VLV. ACCOMPLISHED IDLE RUN OPS CK GOOD REFERENCED AMM 36-11-06 & 07.
(LEFT) PACK AMBER LIGHT ILLUMINATED. CONFIRMED WITH QRH 2.12. GROUNDED - YES. CONFIRMED FAULT AT PACK TEMP CONTROLLER (L) FOR TCV. PERFORMED PACK TEMP CONTROL BITE PROCEDURE B737-900 FIM 21-62 TASK 801. TCV FAULT LIGHT CLEARED NO CURRENT FAULTS NOTED AT THIS TIME. A/C CLEARED FOR SERVICE.
ON TAXI IN, NOTICED A DUCT PRESSURE SPLIT- RIGHT WAS @18 PSI - LEFT WAS AT 8 PSI. GROUNDED - YES. PERFORMED B737-900 AMM TASK 36-00-00-860-807. FOUND PRSOV LEAKING FROM MANUAL OVERRIDE NUT ON #1 ENGINE. REMOVED AND REPLACED PRSOV. OPS/LEAK CHECK GOOD. GROUND VERIFIED DUCT PRESSURES WITH IDLE RUN. REF AMM 36-11-04.
EMERGENCY EXIT LIGHT AFT OF R1 DOOR INOP. GROUNDED - YES. RELAMPED SLIDE/OVERWING LIGHT AFT OF R1 DOOR REF B737-900 AMM 33-51-04. OPS CHECK GOOD.
PER TC 78472010 #1 ENGINE FAN BLADE LUBE #20 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CC SIDE. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE #20 AND #8 REF T/C 78472010.
PER T/C 78472010 # 1 ENG FAN BLADE LUBE FRONT SPINNER CONE WHITE ANTI-EROSION PAINT MISSING BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FRONT SPINNER CONE REF AMM 72-21-01. SEAMC RAY NOTIFIED TERMINATING DEFECT NO, 60299724.
PER T/C 78472010 #1 ENGINE FAN BLADE LUBE SPACERS # 3,8,9,10,11,16,19,21,AND 23 ARE DISBONDED. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE SPACERS #3,8,9,10,11,16,19,21, AND 23 REF. T/C 78472010.
PER TC 78472010 #1 ENGINE FAN BLADE LUBE #17 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CV SIDE. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE #17 AND #5 REF T/C 78472010.
AFTER ENGINE START, #1 ENGINE GENERATOR WOULD NOT ENGAGE. GROUNDED - YES. GCU BITE CHECK C/O REF B737-900 FIM 24-21 TASK 801. PRIOR TO TEST GCU NO. 1 SHOWED IDG FAULT. TEST C/O SATIS - GCU BITE CHECK PASS. NO. 1 IDG RECONNECTED FOR IDG FAULT FOR GCU 1 FIM. REF FIM 24-21 TASK 805. IDG FAULT CONFIRMED. REMOVED AND REPLACED #1 IDG REF B737-900 AMM 24-11-11. OPS AND LEAK CHECK GOOD REF AMM 24-11-00. GROUND VERIFICATION COMPLETE.
FWD CABIN ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. #2 ZONE TEMP CONT FAULTED THIS PACK TCV ON BIT, PREV FLT, & VERIFY. REF CORRECTIVE ACTION ON LOG 60252989, AFTER PART REPLACED & MSG RESET, RAN PACKS & RECONFIRM BITE, SYSTEM OPS NORMAL.
RIGHT PACK LIGHT ILLUMINATED DOES NOT EXTINGUISH ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED RH AFT TEMP CONTROL VALVE REF AMM 21-51-10 OPS AN DLEAK CHECK GOOD. THIS CLEARS MEL 21-33E AND 21-1G. MX PROCEDURES REVERSED SEAMC ANDY NOTIFIED. REF LP 60252994 FOR ROTABLE INFO.
RIGHT PACK LIGHT ILLUMINATED AFTER START ON RECALL. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. #2 ZONE TEMP CONT FAULTED THIS PACK TCV ON BIT, PREV FLT, & VERIFY. REF CORRECTIVE ACTION ON LOG 60252989 FOR TCV REPLACEMENT. AFTER PART REPLACED, RE-VERIFY BITE REF 21-62 TASK 801 FAULT MSG RESET, RAN PACKS RECONFIRM BITE, SYSTEM OPS NORMAL.
TORQUE CHECK FAILED ON FUEL INLET TUBE ON #2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER. GROUNDED - YES. REPLACED #2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER PER B737-900ER AMM 79-21-02. LEAK CHECK GOOD.
#2 ENGINE FUEL HEATER SERVO LEAKING AT TOP COVER GASKET. GROUNDED - YES. REPLACED #2 ENGNE FUEL HEATER SERVO PER B737-900ER AMM 73-11-07. LEAK CHECK GOOD.
FOUND FUEL LEAK ON ENG #2 OF THE RH VSV DRAIN LINE. (104 DROPS PER MINUTE). GROUNDED - YES. REMOVED & REPLACED #2 ENG R/H VSV ACTUATOR REF B737-900 AMM 75-31-01. LEAK & OPS CHECK GOOD.
#2 HF FAIL. GROUNDED - YES. ACCOMPLISHED FIM 23-11 TASK 806. OPS TEST NORMAL.
DURING #1 ENGINE START, NO N1, NO N2. MADE TWO ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED #1 L/H ENG STARTER REF B737-900 AMM 80-11-01-000-801-F00 AND AMM 80-11-01-400-800-F00. ACCOMPLISHED ENG RUN STARTER POWERPLANT TEST REF AMM TASK 71-00-00-800-811. OPS TEST NORMAL.
FOUND #1 ENGINE SHORT TERM FAULT 75-10401 THE VSV POSITION SIGNALS DISAGREE. GROUNDED - YES. REF DEFECT # 60175997 FOR TROUBLESHOOTING AND REPLACEMENT OF THE #1 ENG R/H VSV ACTUATOR. THIS CLEARS PLT DEFFERAL, C/N 21004402 REMOVED, SEAMC ANDY CONTACTED.
FOUND #1 ENGINE SHORT TERM FAULTS 75-20401 THE VSV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED B737-900 FIM 75-31 TASK 803 AND TASK 804 TROUBLESHOOTING FOR ACTUATOR AND HARNESS RESISTANCES. ALL VALUES WITHIN RANGE. EEC TEST PASSED REF B737-900 AMM 73-21-00-700-804-F00. PRECAUTIONARILY REPLACED THE #1 ENG R/H VSV ACTUATOR LEAK AND OPS CHECK GOOD REF AMM 75-31-01/401.
FOUND #1 ENG LONG TIME FAULT 75-10391 THE VSV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. PERFORMED B737-900 FIM 75-31 TASK 803 AND TASK 804 TROUBLESHOOTING FOR ACTUATOR AND HARNESS RESISTANCES. ALL VALUES WITHIN RANGE. EEC TEST PASSED REF B737-900 AMM 73-21-00-700-804-F00. PRECAUTIONARILY REPLACED THE #1 ENG R/H VSV ACTUATOR. LEAK AND OPS CHECK GOOD REF AMM 75-31-01/401.
ENROUTE FA'S SAID PREMIUM CLASS PASSENGERS WERE VERY WARM AND WE TRIED TO COOL CABIN. NO CHANGE WE AN CABIN HOT QRH AND TUNED TRIM AIR SWITCH OFF. CABIN COOLED BETTER. OTHER PARTS OF CABIN WERE NORMAL. GROUNDED - YES. PERFORMED B737-900 FIM 21-61 TASK 801 #2 TEMP CONTROLLER BITE "VERIFY" TEST SHOWS ON 1 #2 TEMP CONTROLLER "THIS PACK TCV "FAULT". PERFORMED VERIFY TEST TWICE WITH SAME FAULT ON COMPLETION OF TEST. REMOVED & REPLACED TCV REF B737-900 AMM 21-61-21-400-801. OPS & LEAK CKS GOOD. ACCOMPLISHED BIT TEST REF AMM 21-61-00 NO FAULTS FOUND.
LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED CHECKLIST AND OVERHEAT LIGHT STAYED EXTINGUISHED. GROUNDED - YES. DUE TO RECENT HISTORY, PERFORMED WHCU BITE, OP CHECK NORMAL. WHCU SHOWS SENSOR FAULT ON ALL 10 PREVIOUS FLIGHT LEGS. L2 WINDOW SENSOR ALREADY INSTALLED IN SPARE SENSOR POSITION. REPLACED THE L-2 WINDOW AND ADJUSTED TO WITHIN LIMITS, LEAK CHECK GOOD REF B737-900 AMM 56-12-11/401 AND 56-12-11-820-801. REPOSITIONED TAP PERA MM 56-12-11-400-801 STEP 3F6. WINDOW HEAT SYSTEM- OPERATIONAL TEST PASS FOR THE L-2 WINDOW REF AMM 30-41-00-710-801.
L-2 WINDOW OVERHEAT. GROUNDED - YES. WINDOW HEAT SWITCH OFF WAITED 5 MINUTES, WINDOW HEAT SWITCH ON LIGHT STAYED EXTINGUISHED.
LEFT SIDE WINDOW HEAT GREEN LIGHT EXTINGUISHED. GROUNDED - YES. RELEASED PER MEL 30-11E L #2 WINDOW HEAT INOP AUTHORIZED BY SEAMC ROBERT @ 1635Z. REF B737-900 FIM 30-41 TASK 801 LEFT SIDE WHCU BIT VERIFY SHOWS NO FAULTS WINDOW HEAT OP CK GOOD PER MM 30-41-00 MEL CLEARED FLIGHT CREW PLACARD REMOVED SEAMC TODD NOTIFIED.
CAPT FMC L1 THRU L6 AND R1 THRU R6 BUTTONS UNRESPONSIVE. GROUNDED - YES. RESET CAPT'S FMC, ACCOMPLISHED CAPT'S FMC BITE PER B737-900 FIM TASK 34-61-00-810-801, OPS NML. ALL L/R KEYS OPS NML.
DUAL FMC FAILURE AFTER LANDING. FMCS RECOVERED AFTER A FEW SECONDS. GROUNDED - YES. PERFORMED FMCS BITE REF B737-900 FIM 34-61 TASK 801 IN FLIGHT FAULTS ON L FMC FOUND "PGM FAULT I" AND ON R FMC FOUND "PGM FAULT I" REF FIM 34-61 TASK 807 FMC L+R AUTOMATICALLY RESTORED NO C/B RESET REQUIRED. BOTH FAULTS WERE INTERMITTENT. PGM FAULT NOT ACTIVE ON L+R FMC'S. SENSORS TEST OK. VERIFIED FMC SOFTWARE REF B737-900 AMM 34-61-00-750-801 AND B737-900 AIPC SECTION 34-61. PER FIM 34-61 TASK 807 REQUIRES NO MTX ACTION FAULTS WERE INTERMITTENT.
MOMENTARY LOSS OF LNAV, VNAV, FMC PROMPT ON MENU PG OF BOTH MCDU'S FOR APPROX 10 SECS, COULD NOT ENGAGE LNAV OR VNAV UNTIL PROMPT RETURNED AT WHICH LNAV VNAV ENGAGED NORMALLY. NO VTK FLAG ON EITHER MAP DISPLAY. A/P HAD SWITCHED TO CWS PITCH & ROLL. I DON'T RECALL IF MAP DISPLAY MOMENTARY BLANKED OR NOT. GROUNDED - YES. L FMC LOGGED R FAIL LAST FLT. R FMC LOGGED L FAIL LAST FLT. FMC'S OP OK. NO HISTORY.
L2 WINDOW HEAT OVERHEAT SHORTLY AFTER REACHING CRUISE ALTITUDE. GROUNDED - YES. QRH FOLLOWED. RESET SUCCESSFUL.
LEFT FMC FAIL BRIEFLY IN FLIGHT. VTK DISPLAYED CAPTAINS SIDE NAV DISPLAY. SYSTEM RECOVERED ON ITS OWN AND OPERATIED NORMALLY FOR DURATION OF FLIGHT. GROUNDED-YES. PREVIOUSLY RECORD FAULT MESSAGE NO LONGER PRESENT ON FFR, NO FAULTS WERE LOGGED ON LT & RT ADIRU BITE, REF B737-900 FIM 34-61 TASK 824. ACCOMPLISHED FMC OPERATIONAL TEST, REF B737-900 AMM 34-61-00-710-801. OPERATIONS NORMAL, NO HISTORY PAST 30 DAYS. MEL 34-36J CLEARED, SEAMC JOE NOTIFIED.
AFTER LANDING CAPT FMC FAILED. RESETS AND FAILS CONTINOUS LOOP. GROUNDED-YES. PERFORMED FMC RESET PROCEEDURE, REF B737-900 FIM 34-61 TASK 836. PERFORMED FMC BITE PROCEDURE, REF B737-900 FIM 34-61 TASK 801. NO FAULTS NOTED. OK FOR SERVICE.
LEFT FMC FAILED MULTIPLE TIMES. RAN CHECKLIST WHICH HAD US SWITCH FMC SOURCE TO RIGHT FMC. GROUNDED-YES. PERFORMED FMC RESET PROCEDURE, REF B737-900 FIM 34-61 TASK 836, INTERMITTENT FAULT. PERFORMED FMC BITE, REF FIM 34-61 TASK 801, NO FAULTS NOTED. OK FOR SERVICE. FMC SOURCE SELECTOR RETURNED TO NORMAL.
VTK ON CAPTAIN'S ND AND LDG ACT FLAG ON CAPTAIN'S PFD. ACCOMPLISHED FMC FAIL CHECKLIST ON P6.11.3. FMC SWITCH BACK TO NORMAL ON STEP 6. HOWEVER VTK & LDG ACT FLAGS BECAME INTERMITTENT. DECIDED TO PUT FMC SWITCH BACK TO BOTH ON RT. VTK & LDG ACT FLAGS NO LONGER DISPLAYED ON CAPTAIN'S SIDE. GROUNDED-YES. PERFORMED FMC RESET, PER B737-900 FIM 34-61 TASK 836. OPERATIONS CHECKED NORMAL.
AUX PITOT LIGHT ON DURING FINAL APPROACH. GROUNDED-YES. REMOVED AND REPLACED LOWER RIGHT (AUX) PITOT PROBE, REF B737-900 AMM 34-11-01. TURNED PROBE HEAT SWITCH ON AND LIGHT IS EXTINGUISHED. PERFORMED OPERATIONS CHECK AMM 34-11-01- INSTALL TEST G(3) TO (7) (A). OPERATIONS TEST PASSED. ALTERNATE PITOT LEAK CHECK PASSED, REF AMM 34-11-00.
AFT EDGE OF L1 DOOR HAS GAP AFTER IT IS CLOSED "FWD ENTRY" LIGHT REMAINS ON. GROUNDED - YES. ADJUSTED L1 DOOR GUIDE ARM, REF B737-900 AMM 52-11-00-820-801 STEP 2H. FWD ENTRY DOOR LIGHT EXTINGUISHED WHEN DOOR IS CLOSED.
WITH BOTH F/D SWITCHES ON, COMMAND BARS ON FO PFD DISAPEARED WHEN APP MODE BECOME ACTIVE AT GLIDESLOPE INTERCEPT. RECYCLED F/D SWITCHES AND LOC ON GS ENGAGED ON CAPT SIDE BUT NOT ON FO SIDE. GROUNDED - YES. ACCOMPLISHED DFCS FLIGHT FAULT REVIEW, GROUP BITE 12, FLT DIREC, ALL TEST PASSED. ACCOMPLISHED LAND VERIFY TEST, GROUP BITE 49, ALL TEST PASSED IAW AMM 22-11-00-740-806.
WHILE ACCOMPLISHING PDC FOUND #2 IDG NO OIL AND EVIDENCE OF OIL LEAK FROM IDG OIL COOLER. GROUNDED - YES. FOUND IDG AIR/OIL COOLER LEAKING ON #2 ENGINE. REMOVED AND REPLACED IDG AIR/OIL COOLER REF B737-900 AMM 24-11-21, NO LEAKS NOTED OPS CHECKS GOOD . PERFORMED IDG AIR/OIL COOLER INSPECTION CHECK REF AMM 24-11-21.
ALMOST ALL EMERGENCY LIGHTS INOP. AFTER HAVING AIRCRAFT POWER ON FOR OVER TWO HOURS, NO HELP. GROUNDED - YES. CHANGED EMERGENCY LIGHT BATTERY AT FLOOR LEVEL ROW 7 -LH & RH, AND BATTERY AT OVERHEAD BY L-1 DOOR, OPS CHECK GOOD IAW T/C 78233008, STILL SEVERAL MORE INOP. REPLACED ALL INOP EMERGENCY LIGHT BATTERY PACKS, EMERGENCY LIGHTS SYSTEM OPS CHECK GOOD IAW B737-800 AMM 33-51-00-720-801.
APU FAILED START AT FL 370, 370, 380 WITH FAULT LIGHT. FAULT EXTINGUISHED IMMEDIATELY AFTER FIRST ATTEMPT AND SWITCHED OFF. FAULT LIGHT EXTINGUISHED AFTER 5 MINUTES AFTER 2ND AND 3RD ATTEMPTS. EGT REACHED 950 EACH ATTEMPT. GROUNDED - YES. REPLACED APU LUBE MODULE REF B737-900 AMM 49-91-11. APU RAN ON FIRST ATTEMPT WITH NO LEAKS NOTED. APU BITE TEST SHOWS NO CURRENT FAULTS.
APU FAILED START AT FL 370, 370, 380 WITH FAULT LIGHT. FAULT EXTINGUISHED IMMEDIATELY AFTER FIRST ATTEMPT AND SWITCHED OFF. FAULT LIGHT EXTINGUISHED AFTER 5 MINUTES AFTER 2ND AND 3RD ATTEMPTS. EGT REACHED 950 EACH ATTEMPT. GROUNDED - YES. ON DEFERRAL.
AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED - YES. FOUND AUTOTHROTTLE DC1 C/B OPEN P18-1 E1. ACCOMPLISHED C/B RESET REF B737-900 AMM 20-60-01. RAN SERVO TEST NUMEROUS TIMES & A/T OPERATIONAL TEST PASSED REF AMM 22-31-00.
#1 ENG FAILED TO START WITH AIR CART. GROUNDED - YES. REMOVED AND REPLACED #1 ENG START VALVE WITH NEW PER B737-900 AMM 80-11-03, OPS TEST GOOD. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
#1 ENGINE ABORTED START WITH FLASHING BOX AT APPOX 45% N2 *NOTE: THIS HAPPENED WHILE USING START CART 11930. GROUNDED - YES. REF B737-900 FIM 80-05-TASK 801. NO DEFECTS NOTED REMOVED AND INSPECTED AND INSTALLED BLEED AIR CHECK VALVE REF B737-900 AMM 36-11-02-000-801/36-11-02-400-801. BLEED AIR CHECK VALVE LEAK CHECK GOOD REF AMM 36-11-02. NO ENGINE PARAMETERS WERE EXCEEDED, REF AMM 71-00-00-740-801-F00. PERFORMED #1 ENGINE START WITH APU AIR SOURCE AND ALL PARAMETERS NORMAL. AIR START CART WAS FOUND TO HAVE LOW PRESSURE OUTPUT.
FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL 330 SUCCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED. GROUNDED - YES. REMOVED AND REPLACED APU FUEL CONTROL PER B727-900 AMM 49-31-11.
#2 ENGINE NO ROTATION DURING START. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE START VALVE REF B737-900 AMM 80-11-13 GROUND VERIFICATION CHECK NORMAL.
APU FAULT LT ILLUMINATED ON 1ST ATTEMPT AT 340 APU FAULT LT ILLUMINATED ON 2ND ATTEMPT AT 360 3RD ATTEMP AT 340 - PASSED. GROUNDED - YES. APU BITE SHOWS MAINT MSG 49-41010 IN HISTORY, APU OPS CHECK GOOD ON GROUND.
FWD WET AREA INTERCOSTAL AT BL0 BETWEEN STA 277 AND 294 IS CRACKED AT NUTPLATE HOLE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT BL0 BETWEEN STA 277 AND 294 IAW 737 900ER SRM 51 40 02 0G 0.
R1 DOOR CUTOUT LWR THRESHOLD ANGLE HAS LIGHT CORROSION. GROUNDED - YES. REMOVED CORR FOUND TO BE OUT OF LIMITS IAW 737 900ER SRM 53 10 15 1A 2 REMOVED AND REPLACED ANGLE IAW 737 900ER SRM 51 40 02 0G 0 W 1 O .090 R 0 L 3 D .090.
AFT CARGO PIT DOOR CUT OUT THRESHOLD WEB IS CORRODED. GROUNDED - YES. REMOVED CORR FOUND TO BE OUT OF LIMITS IAW 737 900EA SRM 53 60 15 1A 1, REMOVED AND REPLACED THRESHOLD WEB IAW 737 900 ER SRM 51 40 02 0G 0 W 2.5" O .050 R .035 L 4.5" D .015.
LEFT SIDE WINDOW OVERHEAT WHEN SELECTED ON. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE PER B737-900 FIM 30-41 TASK 801 WHCU FAULTED WINDOW SENSOR. PRIMARY SENSOR RESISTANCE IS OUT OF RANGE PER B737-900 AMM 30-41-21-760-801. MOVED TERMINAL TO SPARE SENSOR PER SAME AMM. OPERATED WINDOW HEAT FOR 30 MINUTES WITH NO OVERHEAT RE-ACCOMPLISHED WHCU BITE NO FAULTS NOTED.
LEVELING AT FL360, "L SIDE" WINDOW HEAT ANNUNCIATE "OVERHEAT". GROUNDED - YES. PANEL SHUTDOWN FOR 5 MINUTES, THEN BACK ON. OPS NORMAL.
FMC FIELDS DATA FAILURE NO ENG ASSUMGA/DERATE OR T.O. TRIM. GROUNDED - YES. RESET PWR TO BOTH FMCS. FMCS BITE TESTS NORMAL PER B737-900 AMM 34-61 TASK 801.
TEMP PROBE LT LEFT ILLUMINATED. GROUNDED - YES. T/S PER B737-900 FIM 30-31 TASK 810. TEMP PROBE LIGHT IS ON. VERIFIED 115V AC AT PIN 39 AT D644. PIN 38 TO GRD IS OPEN. SUSPECT TAT PROBE FAILED. REMOVED AND REPLACED TEMP PROBE REF B737-900 AMM 34-21-06. TAT SYSTEM TESTS GOOD. AUTO AIR DATA SENSOR HEATING TEST FOR CONNECTOR D644 DONE SUCCESSFULLY REF AMM 30-31-00-750-801. GROUND VERIFICATION SUCCESSFUL.
PILOT SELECTED START ON APU SWITCH, AND RELEASED TO RUN. AFTER APPROXIMATELY 2-3 MINUTES, PILOT OBSERVED APU EGT GUAGE READING BETWEEN 200-300 DEGREES, THE LOW OIL PRESSURE LIGHT ILLUMINATED, AND THE APU GEN OFF BUS LIGHT WAS NOT ILLUMINATED. PILOT SELECTED OFF ON APU SWITCH. GROUNDED - YES. ACCOMPLISHED FIM 49-15 TASK 805 AND FIM 49-60 TASK 801 NO FAULTS SHOWN IN CURRENT, MAINT, OR FAULT HISTORY. APU STARTED NORMALLY.
WE GOT A LEFT SIDE WINDOW OVERHEAT LIGHT. GROUNDED - YES. RAN QRH PROCEDURE, LIGHT WENT OUT. STAYED OUT FOR REMAINDER OF FLT.
#2 ENG HPTACC LEAKING, 16 DROPS PER MINUTE. GROUNDED - YES. ON DEFERRAL.
#2 ENGINE, CORE LOCATION, GROUND WING THERMAL ANTI ICING SOLENOID VALVE CONNECTOR DP1103 IS LOOSE. GROUNDED - YES. REMOVED AND REPLACED THERMAL ANTI ICING SOLENOID REF B737-900 AMM 30-11-12-400-801 OPS CK GOOD.
LEFT PACK LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. REMOVED AND RPLACED RAM AIR INLET ACTUATOR PER B737-900 AMM 21-51-21. RAN BITE CHECK PER AMM 21-61-00. OPS CHECK IS GOOD. NO PACK LIGHT IN COCKPIT AT THIS TIME.
LEFT PACK LIGHT ILLUMINATES ON RECALL. EXTINGUISHES UPON MASTER CAUTION RESET. GROUNDED - YES. REF B737-900 FIM 21-62 TASK 801, 837 PERFORMED BITE OF PACK/ZONE TEMPERATURE CONTROLLER. LEFT CONTROLLER HAS FAULT RAM AIR ACT. VERIFY SHOWS NO FAULTS. FAULT NOT ACTIVE. HAS HISTORY. LEFT RAM AIR ACTUATOR REPLACED 3 DAYS PRIOR ON DEFECT 12179744. CHECK OPERATION OF FLAPS UP SWITCH PER FIM 21-51 TASK 803. MODULATION DOORS OPERATED CORRECTLY. AIRPLANE TEMP PUT IN AIR MODE PER B737-900 AMM 32-09-00. AS A PRECAUTION REMOVED AND REPLACED LEFT PACK RAM AIR CONTROL TEMP SENSOR IAW AMM 21-51-50. PZTC BITE NO FAULTS.
AT CRUISE FOS CDU WENT BLANK FOR 10 SEC THEN DISPLAYED THE MENU PAGE WITHOUT THE ACARS PROMPT. ON SCRATCH PAD "NO COMM" ACARS PROMPT THEN DISPLAYED ON MENU. OFF & OUT TIMES WERE ERASED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 804 RESET CBS FOR MCDU ON GROUND VERIFICATION. OPS CHECKED NORMAL
DURING DESCENT TO SJC AT AROUND 10,000' CAPTAIN'S CDU BLANKED OUT THEN WENT TO MENU PAGE. FO'S SCRATCHPAD READ ACARS NO COMM. GROUNDED - YES. ACCOMPLISHED B737-900 FIM TASK 34-61 TASK 804 RESET C/B FMCS MCDU1 ON GROUND VERIFICATION, OPS AND TESTED NORMAL.
AT 1:45 INTO THE FLIGHT AT FL340, FO'S NAVIGATION DISPLAY VTK FOLLOWED BY MAP FAILURE FLAGS, THIS LASTED FOR (2) MINUTES. SINGLE FMC OPERATION IN SCRATCHPAD WAS NOT DISPLAYED AND NO FMC DATA DID NOT OCCUR. NORMAL OPERATIONS ON FO NAVIGATION DISPLAY. RETURNED, NORMAL OPERATIONS ESTABLISHED. GROUNDED - YES. ACCOMPLISHED GROUND VERIFICATION B737-900 FIM 34-61 TASK 836 OPS AND TESTED NORMAL. RESET C/B FMC CMTR2 NO VTK AND MAP FAILURE FLAGS NOTED.
EMERGENCY LIGHT EXTERIOR SLIDE LIGHT AT L-2 DOOR INOP. GROUNDED - YES. RELAMPED AND TESTED PER B737-900 AMM 33-51-04-960-801 - OPS NORMAL.
APU DET INOP LIGHT ILLUMINATED IN CRUISE FLIGHT LEVEL 360, 3 HOURS INTO FLIGHT. ACCOMPLISHED "APU DETECTION INOPERATIVE" QRH. APU WAS NOT RUNNING. GROUNDED - YES. COMPLIED WITH FIM 26-10 TASK 801. APU TAIL PIPE DETECTOR INOP. REMOVED AND REPLACED APU OVERHEAT DETECTOR ASSY PER AMM 26-15-01.
DURING CRUISE FLIGHT AT FL350, LOST FMC DATA ON BOTH SIDES FOR APPROXIMATELY 30 SECS. BOTH CAPT AND FO'S CDUS WENT BLANK. FMC DATA ON BOTH CAPT AND FO'S PRIMARY FLIGHT DISPLAYS WAS LOST. AFTER 30 SECONDS, WITH NO PILOT INPUT, ALL FMC DATA RETURNED. FLIGHT CONTINUED NORMAL OPERATION TO DESTINATION. GROUNDED - YES. PERFORMED FMC BITE B737-900 FIM 34-61 TASK 801. LAST FLT SHOWS A FAULT OF "PRES POS LAT RATE" PERFORMED FIM 34-61 TASK 824 AND ADIRS BITE PROCEDURE FIM 34-21 TASK 801. NO CURRENT STATUS FAULTS AND NO INFLT FAULTS ON EITHER ADIRU. PER FIMS INTERMITTENT FAULT. NO ACTIVE FAULT, OPS NML PER SAME FIMS. GROUND VERIFICATION TEST GOOD.
#2 ENG FUEL LEAK. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER PER B737-900 AMM 72-21-02. LEAK CHECKED GOOD. NO OTHER DEFECTS NOTED. GROUND VERIFICATION COMPLETE.
R2 SLIDE/ EMERGENCY LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED R2 EMERGENCY SLIDE LAMP. REF B737-900 AMM 33-51-04. OPS CHECK GOOD.
IN CRUISE L-FMC FAILURE AS INDICATED BY #1 CDU BLANKING #2 CDU REVERTING TO MENU PAGE WITH NO FMC ANNUNCIATION AND "VTK" DISPLAYED ON CAPTAIN'S MAP DISPLAY ACCOMPANIED BY DISAPPEARANCE OF MAP DATA. LNAV AND VNAV DISENGAGED. SELF -RECOVERED IN APPROXIMATELY 30 SECONDS. PRIOR TO COMMENCEMENT OF QRH PROCEDURE. GROUNDED - YES. REBOOTED R&L-FMC REF B737-900 AMM 34-61-00-810-807 & NORM OPS RESTORED REF B737-900 FIM TASK 34-61 TASK 836. OPS CK OK REF AMM 34-61-00-710-801.
PER T/C 78472010 NR 2 ENGINE FAN LUBE NR 3, 4, 7, 8, 19, 20, 21, 22 AND 24 SPACERS ELASTOMERS ARE DISBONDED. GROUNDED - YES. REMOVED AND REPLACED ALL 24 SPACERS ON NR 2 ENGINE REF T/C 78472010.
PER T/C 78472010 NR 2 ENGINE FAN BLADE LUBE NR 8 BLADE CU-NI MISSING MORE THAN LIMITS. GROUNDED - YES. REMOVED AND REPLACED NR 8 AND NR 20 FAN BLADE PAIR ON NR 2 ENGINE REF T/C 78472010.
PER T/C 78472010 NR 2 ENGINE FAN BLADE LUBE FRONT SPINNER CONE WHITE PAINT IS MISSING MORE THAN LIMIT. GROUNDED - YES. REMOVED AND REPLACED FRONT SPINNER CONE ON NR 2 ENGINE REF T/C 78472010.
WHILE ACCOMPLISHING T/C #78472010 NR 1 ENGINE FAN BLADE LUBE. FOUND FRONT SPINNER CONE MISSING WHITE ANTI-EROSION PAINT BE OUT OF LIMITS. GROUNDED - YES. REMOVED AND REPLACED FRONT SPINNER CONE ON NR 1 ENGINE REF AMM 72-21-01-000-801-F00 AND AMM 72-21-01-400-801-F00.
AT CRUISE CAPTAINS NAV DISPLAY HAD MAP AND VTK FLAG. LASTED FOR 30 SECONDS THEN WENT BACK TO NORMAL NAV INDICATIONS. GROUNDED - YES. OPENED 2EA CB'S AND CLOSED 2EA CB'S. ACCOMPLISHED FIM 34-61 TASK 836, OPS CK NORMAL. FMC COMPUTERS RESYNCHRONIZED.
IN FLIGHT SELECTED WING ANTI-ICE AND SWITCH WAS BROKEN. GROUNDED - YES. REPLACED ENGINE AND WING ANTI-ICE PNL, REF AMM 30-11-41. INSTALLATION TEST NML PER SAME.
UPON RECALL ON AFTER START CHECKLIST, CONT CAB ZONE TEMP LIGHT ILLUMINATES ALONG WITH MASTER CAUTION AND AIR COND LIGHTS, ACCOMPLISHED QRH ITEMS. GROUNDED - YES. PERFORMED PACK TEMPERATURE CONTROL BITE PER FIM 21-62 TASK 801. FLT DECK TRIM VALVE FAULTED ON BIT BUT CLEARED ON VERIFY.
NO FMC DATA FOR APPROX ONE MINUTE ON BOTH CAPT & FO CDU'S - VTK AND MAP FAILURE FLAGS WERE ANNUNCIATED. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 836 FMC'S OPERATE NORMALLY.
WINDOW HEAT FORWARD RIGHT ILLUMINATED. GROUNDED - YES. PERFORMED BITE OF FO WINDSHIELD WHCU IAW FIM 30-41 TASK 801 SENSOR FAULT DISPLAYED. REMOVED AND REPLACED FO'S NR 1 WINDOW IAW AMM 56-11-11-400-821.
NR 2 ENGINE HAS REPORTS OF FUEL DRIPPING ON WALK AROUND. A/C RESTRICTED FROM ETOPS SERVICE UNTIL NR 2 ENGINE FUEL LEAK IS RESOLVED. GROUNDED - YES. REMOVED AND REPLACED LT VSV ACTUATOR ON NR 2 ENG REF AMM 75-31-01. LEAK CHECK ACCOMPLISHED. NO LEAKS NOTED.
FOUND CORE FIRE DETECTOR HARNESS MW0326 HAS APPROX 18" MISSING BRAIDING. GROUNDED - YES. REMOVED AND REPLACED CORE FIRE DETECTOR HARNESS MW0326, INSTALLATION TEST OK, REF AMM 26-11-02. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
FOUND ENGINE 2 FIRE HARNESS MW0326 CHAFED BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED MW0326 IAW AMM 26-11-02. SYSTEM OPS CHECKS AND ETOPS GROUND VERIFICATION GOOD IAW AMM 26-11-00-710-801.
DIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SUDDEN DELTA EGT INCREASE AND EGTHDM DECREASE. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. FOUND S4 RESISTANCE READING HIGH AT 309 OHMS. S1 READING 1.0 OHM. PRECAUTIONARY REMOVED AND INSTALLED NEW S4 PROBE REF AMM 77-21-01. AFTER CLEANING AND S4 REPLACEMENT READINGS. S1=43.46, S2= 21.10, S3=23.16, S4=52.36. PERFORMED NR 1 ENGINE RUN. FAULT CODE 77-20871 DOES NOT SHOW ACTIVE CURRENTLY.
WHILE PERFORMING T/C 78273000 FOUND MAINT MSG NR 77-20871 (THE TOP LEFT EGT SIGNAL OUT OF RANGE) FOR NR 1 ENGINE. GROUNDED - YES. CW FIM 77-21 TASK 804 AND TC 78273000. BITE CHECK OF NR 1 AND NR 2 ENGINE SHOWED NO RECENT FAULTS AND NO HISTORY FAULTS. THIS CLEARS PLT.
LEFT DUCT PRESSURE SLOWLY FLUCTUATES BETWEEN 18 AND 25 PSI IN CRUISE, FL 360. RIGHT DUCT PRESSURE STEADY AT 40 PSI. GROUNDED - YES. T/S SYS PER FIM 36-10 TASK 804. FOUND CONTROL SENSE LINE (BROKEN) LEAKING TO THE 450 F TEMP. REMOVED AND REPLACED CONTROL SENSE LINE (3) PER AMM 36-11-04. OPS CHK NORMAL.
ESCAPE PATH LIGHTING STRIPS AT ROW 13 DETACHED. GROUNDED - YES. RETAPED FLOOR PROXIMITY LIGHT - PHOTOLUMINESCENT STRIP AT ROW 13 FED PER AMM 33-51-15.
WHILE INSP FEEL COMP DRAINS, FOUND APU INLET DOOR POSITION SWITCH LOOSE. GROUNDED - YES. REMOVED AND REINSTALLED APU INLET DOOR POSITION SWITCH REF AMM 49-15-41. ETOPS GROUND VERIFICATION ACCOMPLISHED.
WHILE PERFORMING LEAK CHECK ON NR 2 PRE COOLER VALVE FOUND PRSOV TO BE LEAKING. GROUNDED - YES. REMOVED AND REPLACED NR 2 PRSOV REF AMM 36-11-04. LEAK AND OPS CHECK GOOD.
ON CLIMB OUR LT DUCT PRESSURE BELOW 20 PSI DROP TO 18 PSI ON CLIMB AT CRUISE LT DUCT 30 PSI RT 38 PSI. GROUNDED - YES. PERFORMED FIM 36-10 TASK 801 DUCT PRESSURE LOW, THE ENGINE IS THE BLEED SOURCE. FOUND PRSOV AND HIGH STAGE REGULATOR NOT IN LIMITS. REPLACED PRSOV PER AMM TASK 36-11-04-400-801, REPLACED HIGH STAGE REGULATOR PER AMM TASK 36-11-07-400-801. REPERFORMED FIM 36-10 TASK 801. NO FAULTS FOUND.
LEFT PACK LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. TCV FAULT NR 1 ZONE TEMP CONTROLLER. RESET & BITE TESTS NML PER FIM 21-62 TASK 802. ETOPS SIGNIFICANT SYSTEM, GROUND VERIFICATION SUCCESSFUL.
MASTER CAUTION ON RECALL, BOTH LEFT AND RIGHT PACK LIGHTS ILLUMINATED. BOTH LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED FIM 21-62, TASK 848. NO DEFECTS NOTED. ACCOMPLISHED PACK ZONE TEMP CONT BITE CHECK IAW AMM 21-61-00-700-806-002. NO DEFECT NOTED.
RIGHT A/C PACK LIGHT ILLUMINATED ON MC RECALL & EXTINGUISHES ON MC RESET. ACFT GROUNDED. ACCOMPLISHED PACK ZONE TEMP CONT BITE IAW AMM 21-61-00-700-806-002. PREV HISTORY SHOWS RIGHT PACK TCV FAULT. FAULT CLEARED ON VERIFICATION. REMOVED & REPLACED THE RIGHT PACK TCV IAW AMM 21-51-10-400-801. LEAK CHECKED GOOD . PACK ZONE TEMP CONT BITE SHOWS NO FAULTS.
RIGHT PACK FAILED. ACFT GROUNDED. FOUND THE RIGHT PACK LIGHT ILLUMINATES ON RECALL, BUT CLEARS. RIGHT CONTROLLER SHOWS TCV FAULT LAST LEG. ACCOMPLISHED IAW FIM 21-62, TASK 831. FAULT CLEARS AND BITE TESTED GOOD . NO PREVIOUS HISTORY.
DURING CRUISE FLIGHT AT FL340 LT FMC FAILED FOR APPROXIMATELY 1 MINUTE WITH VTK DISPLAYED ON CAPTAIN INBOARD DU AND LNAV DISENGAGED, SELECTED B AUTOPILOT AND LNAV AND SYSTEM RESTORED. GROUNDED - YES. LEFT FMC LOGGED PRES POS LAT- RATE FAULT. ACCOMPLISHED BOTH FMC BITE TEST PROCEDURES PER FIM TASK 34-61-00-810-801 AND BOTH FMC OPS CK NORMAL, BOTH ADIRU`S BITE TEST NORMAL, NO CURRENT FAULT AND NO HISTORY 30 DAYS.
ON DESCENT CHECKLIST AND RECALL RIGHT PACK LIGHT STAY ILLUMINATED. RAN QRH AND LIGHT EXT. WHEN RESET MASTER CAUTION. GROUNDED - YES. PERFORMED PACK ZONE/TEMP CONTROLLER BITE TEST ON NR 1 & NR 2 CONTROLLER PER AMM 21-61-00-700-806-002. NR 2 CONTROLLER SHOWS RT PACK TCV FAULT ILLUMINATED, RESET NR 2 TEMP CONTROLLER, RT PACK TCV LIGHT EXTINGUISHED. ON RECALL, PACK LIGHT, RT SIDE STAYED EXTINGUISHED, NO HISTORY PAST 30 DAYS.
WHILE ACCOMPLISHING TC 78472000 ON THE NR 2 ENGINE, FOUND FAN DUCT PANEL NR 12, AFT OTBD FASTENER PULLED THRU THE PANEL. ACFT GROUNDED. REMOVED AND REPLACED KEY-LOCKED INSERT FOR THE NR 12 FAN DUCT PANEL IAW SPM 70-42-13. INSTALLED THE FAN DUCT PANEL IAW AMM 72-23-07-400-801-F00.
WHILE ACCOMPLISHING TC 78472000 NR 2 ENGINE S/N 963292 FOUND FAN DUCT PANEL NR 12 AFT O/B FASTENER PULLED THRU PANEL. GROUNDED - YES. REMOVED NR 2 ENGINE REF T/C 78471000 FOR ACCESS TO FAN DUCT PANEL NR 12 INSERT REPLACEMENT. REMOVED AND REPLACED KEY-LOCKED INSERT FOR NR 12 FAN DUCT PANEL AFT O/B FASTENER PER CFM56-7 SPM 70-42-13. INSTALLED SERVICEABLE FAN DUCT PANEL 11 O'CLOCK POSITION ALF PER AMM 72-23-07-400-801-F00. REINSTALLED & TESTED NR 2 ENGINE S/N 963292 PER TASK CARD 78471001.
AUTOLAND, AUTOPILOT STEERED LEFT THEN RIGHT IN FLARE. LEFT MAIN WHEEL TOUCHED DOWN ON CENTERLINE. ACFT GROUNDED. ACCOMPLISHED LAND VERIFICATION TESTS IAW AMM 22-11-00-700-801, AND ALL LLM TESTS LISTED IN AMM 22-00-01-730-803. ALL TESTS PASSED. NO HISTORY LAST 90 DAYS.
FOLLOW-UP TO NR 1 IDG CONTINUED FREQUENT SERVICING. GROUNDED - YES. NR 1 IDG OIL LEVEL WAS JUST BELOW ADD MARK. CLEANED/INSP IDG AND ASSOCIATED PLUMBING. NO LEAKS. PERFORMED STATIC LEAK TEST PER AMM 4-11-00-700-801. PRESSURE STABLE AT 25 PSI FOR OVER 1 HOUR. REPLACED NR 1 IDG PER AMM 24-11-11. NO LEAKS. OPS CHECK GOOD.
FWD CARGO, FLOORBEAM ANGLE AT BS 500K CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOORBEAM ANGLE IAW SRM 51-40-02 AND DWG 143A7505, REV -.
FWD CARGO RT FLOORBEAM ANGLE AT BS 500J AFT SIDE IS CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOORBEAM ANGLE 6.1 IAW SRM 51-40-02 & DWG 143A7505, REV-.
FWD CARGO, RT FLOORBEAM ANGLE AT BS 500K FWD SIDE IS CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOORBEAM ANGLE IAW SRM 51-40-02, AND DWG 143A7505, REV-.
FWD CARGO RIGHT FLOORBEAM ANGLE, BS 500J FWD SIDE IS CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOORBEAM ANGLE IAW SRM 51-40-02, AND DWG 143A7505, REV-.
FWD CARGO BAY FLOOR SUPPORT, BS 500H - 500I, RBL 25 IS CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FWD FLOOR SUPPORT IAW SRM 51-40-02, AND DWG 143A1505, REV -.
FWD CARGO BAY FLOOR SUPPORT, BS 500J - 500K, RBL 25 IS CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02, AND DWG 143A7505, REV-.
AFT CARGO BAY, RT SIDE TRANSITION PANEL HAS CORROSION NUMEROUS PLACES BETWEEN BS 727G AND 727I+6. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. REMOVED AND REPLACED THE SECTION IAW SRM 51-40-02 & DWG 146A7502, REV A.
AFT PIT RT SIDE TRANSITION PANEL HAS CRACK AT BS 727K ABOVE STR 26R. GROUNDED - YES. REPAIR ACCOMPLISHED ON CARD G0973086.
AFT PIT RT SIDE TRANSITION PANEL HAS CRACK AT BS 727J ABOVE STR 26R. GROUNDED - YES. REPAIR ACCOMPLISHED ON CARD G0973086.
AFT PIT RT SIDE TRANSITION PANEL HAS CORROSION NUMEROUS PLACE BETWEEN BS727I+6 AND BS767 AS MARKS. GROUNDED - YES. REMOVED CORROSION ON AFT PIT RT TRANSITION PANEL FROM STA 727I+6 TO STA 767 IAW SRM 51-10-02. ORIGINAL THICKNESS IS .040, REMAINING THICKNESS IS .033 ON MULTIPLE PLACES, LOSS OF .007. OUT OF LIMITS IAW 53-00-53. REMOVED AND REPLACED DAMAGED SECTION FROM STA 727I+6 TO STA 767.
AFT PIT RT SIDE TRANSITION PANEL HAS CORROSION NUMEROUS PLACE BETWEEN BS 727E AND BS727G AS MARKS. GROUNDED - YES. REMOVED CORROSION ON AFT PIT RT TRANSITION PANEL BETWEEN STA 727E AND 727G IAW SRM 51-10-02. ORIGINAL THICKNESS IS .040. FROM STA 727E TO STA 727F+7 LOWEST READING ON MULTIPLE PLACES IS .037 WITHIN LIMITS AND FROM STA 727F+7 TO 727G LOWEST READING ON MULTIPLE PLACES IS .030,LOSS OF .010 OUT OF LIMITS IAW SRM 53-00-53. REMOVED AND REPLACED DAMAGED SECTION FROM STA 727D+8 TO STA 727G IAW SRM 53-00-53-2R-5.
AFT CARGO COMPARTMENT FLOOR SUPPORT SHIELD HAS CORROSION BETWEEN BS 767 AND BS 787, STR 25R AND STR 26R. GROUNDED - YES. REMOVED CORROSION ON SHIELD IAW SRM 51-10-02 ORIGINAL THICKNESS IS .050 REMAINING THICKNESS IS .040 LOSS OF .010 OUT OF LIMITS IAW SRM 53-60-15. REMOVED SHIELD IAW SRM 51-40-02, LOCATED AND DRILLED NEW SHIELD IAW SRM 51-40-05, INSTALLED NEW SHIELD IAW SRM & BAC DWG 146A0081 REV A.
AFT CARGO BAY FLOOR SUPPORT GUSSET HAS CORROSION, BS 767, STRINGERS 25R AND 26R. ACFT GROUNDED. REMOVED & REPLACED THE GUSSET IAW SRM 51-40-02, & DWG 146A0081, REV-.
MAIN CABIN FLOOR SUPPORT CRACKED, BS 312 - 328, LBL 46. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02, AND DWG 141A5400, REV-.
FORWARD CARGO COMPARTMENT RIGHT SIDE TRANSITION PANEL CORRODED BS 500A - BS 500L, RBL 23. GROUNDED - YES. REMOVED CORROSION ON RT TRANSITION PANEL IN FWD CARGO STA 500A-500L IAW SRM 51-10-02 LOWEST READING STA 500A-500E+7 IS .037 ORIG THICKNESS .040 REMOVED .003 FOUND TO BE IN LIMITS IAW SRM 53-00-53-1A -2 AND IN REFERENCE W/BAC 1496-444 STA 500E+7 TO 500L LOWEST READING WAS .028 ORIG THICKNESS .040 REMOVED .012 FOUND TO BE OUT LIMITS IAW SRM 53-00-53-IA-2 AND IN REF W/BAC 1496-444. REMOVED TRANSITION PANEL STA 500E+7 TO 500L FOR FABRICATION IAW SRM 53-00-53-2R-5. FABRICATE TRANSITION PANEL IAW SRM 53-00-53-2R-6 SRM 53-00-53- 2R-5, SRM 51-40-05, SRM 51-40-08 AND 51-40-06, INSTALLED TRANSITION PANEL STA 500E+7 TO 500L AND SPLICES IAW BAC DWG 143A7501, BACDWG 143A7505 REV B AND SRM 53-00-53-2R-6, SRM 53-00-53-2R- 5 AND SRM 51-40-02.
MAIN CABIN INTERNAL FLOOR SUPPORT CRACKED BS 312 - 328, RBL 30. ACFT GROUNDED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02. DWG 141A5410, REV A, AND SRM 51-40-10-2R-0.
CBN UNDER FLOOR CROSS FLOOR SUPPORT CHANNEL CRACKED BS 540, LBL 1. GROUNDED - YES. LOCATED AND DRILLED NEW SUPPORT CHANNEL AND COVER PLATE IAW SRM 51-40-05 AND DWG 143A5240 REV- . INSTALLED NEW SUPPORT AND COVER PLATE IAW SRM 51-40-02 AND BAC DWG 143A5240 REV-.
AT INITIAL LEVEL OFF , FLIGHT ATTENDANT REPORTED EXCESSIVELY WARM OR HOT. PERFORMED QRH AND TEMPERATURES RETURNED TO NORMAL WITH TRIM AIR OFF. ACFT GROUNDED. CLEANED COCKPIT AND FWD CABIN AND AFT CABIN TEMPERATURE SENSOR ASSEMBLY FILTERS IAW AMM 21-61-06-100-801. PERFORMED CABIN TEMP CONTROL & INDICATION OPERATIONAL TEST IAW AMM 21-61-00-700-807-002. OPS CHECKED NORMAL. GOOD FOR CONTINUED SERVICE.
WHILE PERFORMING BITE IAW AMM 21-51-00, THE NR 2 CONTROLLER RAM AIR ACTUATOR FAULT LIGHT. ACFT GROUNDED. REMOVED & REPLACED THE RT RAM AIR INLET ACTUATOR IAW AMM 21-51-21, OPS CHECKED NORMAL. NR 2 PACK/ZONE TEMP CONTROLLER BITE TESTED IAW AMM 21-61-00-700-806-002, OPS CHECKED NORMAL. NO FAULTS LOGGED ON THE NR 1 PACK/ZONE TEMP CONTROLLER.
CONTROL CABIN TEMP ZONE LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. PERFORMED A BITE CHECK IAW AMM 21-51-00, FLT DECK TRIM VALVE NR 2 CONTROLLER RESET.
AFT EMERGENCY EXIT LIGHT COVER MISSING. ACFT GROUNDED . INSTALLED THE LENS.
ON DEPARTURE PASSING 24K FEET NR 1 DRIVE ILLUMINATED, FOLLOWED QRH NR 1 DRIVE DISCONNECT ACTIVATED. ACFT GROUNDED. PERFORMED FIM 24-11 TASK 801, GCU BITE INDICATES NR 1 IDG FAILURE, DRAINED OIL AND INSPECTED FILTERS, NO CONTAMINATION NOTED. REMOVED IDG IAW AMM 24-11-11-000-801 AND INSTALLED NEW NR 1 IDG IAW AMM 24-11-11-400-801 COMPLIED WITH IDLE LEAK TEST AND OPERATIONAL TEST NO DEFECTS NOTED. GCU BITE TEST GOOD.
A FLIGHT ATTENDANT REPORTED THAT THE FORWARD SIX INCHES OF THE FLOOR EMERGENCY LIGHT STRIP WAS MISSING. ACFT GROUNDED. INSTALLED A NEW SECTION OF EMERGENCY LIGHT IAW AMM 33-51-15-960-801.
CONTROL CAB ZONE TEMP LIGHT ILLUMINATED WITH MASTER CAUTION RECALL. LIGHT EXTINGUISHED WITH MASTER CALL RESET. TEMP CONTROL FOR CONTROL CABIN IS OPERATIVE. ACFT GROUNDED. ACCOMPLISHED PACK ZONE TEMP CONTROL BITE CHECK. NR 1 CONTROLLER PASSED, NO FAULTS NOTED. NR 2 CONTROLLER SHOWED FLT DECK TRIM VALVE FAULT. RESET FAULT, RAN BITE CHECKED AGAIN, NO FAULTS NOTED. NO FAULTS NOTED ON MASTER CAUTION RECALL IAW AMM 21-61-00-700-806-002. NO HISTORY IN 30 DAYS.
WINDOW OVERHEAT LIGHT ON, REMAINED ON AFTER QRH PROCEDURE, RIGHT FWD WINDOW. ACFT GROUNDED. PERFORMED A BITE CHECK OF WHC. FOUND SENSOR FAULT ON THE R1 WINDSCREEN. SWAPPED SENSORS AT TOGGLE SWITCH. PERFORMED SECOND BITE CHECK OF WHC NO FAULTS FOUND AT THIS TIME. PERFORMED WINDOW HEAT OPS TEST IAW AMM 30-41-00. SYSTEM RESTORED AT THIS TIME.
STAB OUT OF TRIM LIGHT ILLUMINATED AT SOME POINT ON FINAL APPROACH, WHILE HAND FLYING. LEFT LIGHT REMAINED ILLUMINATED DURING TAXI IN AND SHUT DOWN. ACFT GROUNDED. VERIFIED DEFECT, STAB TRIM OUT OF TRIM ILLUMINATED LEFT AND WAS INTERMITTENT. ACCOMPLISHED DFCS BITE IAW FIM 22-11, TASK 801. CURRENT STATUS PASSED AND NO LAST FLIGHT FAULTS LOGGED. REMOVED AND REPLACED STAB TRIM WARNING LIGHT IAW WDM 23-13-11. ACCOMPLISHED LAND VERIFY IAW AMM 22-11-00, BIT GROUP 49, ALL TESTS PASSED. ACCOMPLISHED STAB TRIM WARNING LIGHT TEST IAW AMM 33-11-00. ALL GROUND TESTS PASS.
AT ROTATION, THE STAB OUT OF TRIM LIGHT ILLUMINATED AND STAYED ON THRU 12200 FT WHILE HAND FLYING. PASSING FL 212 STILL HAND FLYING, THE STAB OUT OF TRIM LIGHT ILLUMINATED AGAIN AND STAYED ON THE REMAINDER OF THE FLIGHT. AUTO PILOT WAS ENGAGED. OPS NORMAL. FIRST TIME LIGHT CAME ON IT WAS LEFT SIDE ONLY. SECOND TIME IT CAME ON IT WAS ENTIRE LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED STAB TRIM WARNING LIGHT CAP ASSEMBLY IAW AMM 33-11-00-960-810. OPS NORMAL. PERFORMED DFCS OPS TEST IAW FIM 22-11-00-740-801. BITE LIBRARY TESTS GROUP 32. TESTS OK. LIGHT OPS NORMAL.
AUTOLAND UNSATISFACTORY. LANDED MORE THAN 35 FT LEFT OF CENTER LINE. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 825. ACCOMPLISHED FIM 22-11, TASK 801 DIGITAL FLIGHT CONTROL SYSTEM BITE PROCEDURE. NO ACTIVE FAULTS FOUND. ACCOMPLISHED MMR NR 1 AND 2 BITE. NO FAULTS FOUND. NO RADIO ALTIMETER FAULTS FOUND. LAND VERIFY TESTED IAW AMM 22-11-00-700-801. ALL TESTS PASSED.
AUTOTHROTTLE CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. CLOSED THE CIRCUIT BREAKER IAW AMM 20-60-01. ACCOMPLISHED AN AUTOTHROTTLE BITE CHECK. NO FAULTS IAW AMM 22-31-00. ACCOMPLISHED SERVO MOTOR TEST, NO FAULTS NOTED.
EMERGENCY LIGHT EXIT SIGN AT THE NR 1 GALLEY ADJACENT TO THE R1 DOOR IS BROKEN. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED EXIT SIGN ASSY IAW MM 33-51-01-960-802. OPS NORMAL.
WHILE ACCOMPLISHING T/C 78472002 FOR NR 1 ENGINE FAN LUBRICATION. FOUND THE NR 1 BLADE SPACER RUBBER COMING OFF. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE BLADE NR 1 SPACER IAW T/C 78472002 AND T/C 78472002.
DURING CLIMB, ABOVE 10,000 FEET, THE RIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED AND RESET AFTER QRH PERFORMED. ACFT GROUNDED. PERFORMED BITE ON RIGHT WHCU IAW FIM 30-41, OPS CHECKED GOOD, NO DEFECTS NOTED.
RIGHT WINDOW OVERHEAT IN FLIGHT. WOULD NOT RESET IAW QRH. ACFT GROUNDED. REMOVED AND REPLACED THE WINDOW IAW AMM 56-12-11-401. FUNCTION AND OPS CHECKED GOOD.
RT SIDE WINDOW OVERHEAT AT GATE. ACFT GROUNDED. REPOSITIONED RT SIDE WINDOW PRIMARY SENSOR TO SPARE SENSOR IAW FIM 30-41 TASK 811, AND WDM 30-41-11, SHEET 2. OPS CHECKED NORMAL NO FAULTS IAW AMM 30-41-00.
RIGHT PACK LIGHT ON RECALL, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. FOUND RIGHT PACK TCV FAULT LIGHT ON. RESET RIGHT PACK TEMP CONTROLLER. RIGHT PACK OPS CHECKED GOOD IAW FIM 21-62 TASK 831.
MASTER CAUTION FOR APU DETECTION LOOP INOPERATIVE. ACFT GROUNDED. FOUND APU TAILPIPE FIRE DETECTOR FAULT LIGHT ON MODULE. REMOVED AND REPLACED THE APU TAIL PIPE FIRE DETECTOR IAW AMM 26-15-01. OPS CHECKED NORMAL.
NR 2 ENGINE FIRE LOOP MW0326 GROMMET WORN. ACFT GROUNDED. REMOVED AND REPLACED THE GROMMET IAW AMM 26-11-02.
RIGHT PACK LIGHT ILLUMINATES ON RECALL. GOES OUT WITH PUSH OF MASTER CAUTION BUTTON. GROUNDED - YES. ACCOMPLISHED PZTC BITE, REF FIM 21-62 TASK 801. NR 2 CONTROLLER FAULTED TCV ON BIT AND PREVIOUS FLIGHT WITH A GO ON VERIFY. ACCOMPLISHED FIM 21-62 TASK 831 RIGHT TCV, NO FURTHER FAULTS LOGGED. RAN BOTH PACKS AND RE-ACCOMPLISHED PZTC BITE WITH NO FAULTS LOGGED, OPS CHECK NORMAL.
SATCOM LOCK-UP OCCURRED. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.
SATCOM LOCKUP AFTER POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED NORMAL.
SATCOM LOCK-UP. RAN CHECKLIST, SYSTEM DID RESET. GROUNDED. VERIFIED SATCOM PROMPT IS AVAILABLE AND SATCOM NOT LOCKED UP. IAW FIM 23-15 TASK 801.
NR 2 ENGINE DISPLAYED AMBER TAI INDICATION WHEN ENGINE ANT-ICE TURNED ON. ACFT GROUNDED. REPLACED THE NR 2 ENGINE INLET COWL THERMAL ANTI-ICE VALVE ASSY IAW AMM 30-21-11. THIS CLEARS MEL 30-4C.
STRINGER 25L IS DENTED AT BS 802. ACFT GROUNDED. REPAIRED THE STRINGER IAW ER 17-01746 AND EA 900ER-53EA-18647.
P5-9 WINDOW & PITOT HEAT MODULE HAD A HISTORY WITH LEFT FORWARD WINDOW OVERHEAT LIGHT ON WITH SWITCH IN OFF. ACFT GROUNDED. REMOVED AND REPLACED WINDOW & PITOT HEAT MODULE (P5-9). OPS CHECKED GOOD, IAW AMM 30-41-41.
LEFT FORWARD WINDOW HEAT "OVERHEAT" LIGHT ILLUMINATES WHEN SELECTED OFF. EXTINGUISHES WHEN SELECTED ON. ACFT GROUNDED. PERFORMED FIM 30-41 TASK 801. FOUND P5-9/CTRL POWER FAULT, IAW FIM TASK 30-41 TASK 814. PERFORMED BIT TEST. BIT TEST NORMAL. ALL SYSTEM RESET OK.
LEFT FMC FAILED DURING CRUISE. RECOVERED ON ITS OWN AND BEGAN WORKING AGAIN. ACFT GROUNDED. ACCOMPLISHED FMC OPS TEST IAW AMM 34-61-00. OPS TESTED NORMAL. NO CURRENT FAULTS IAW BITE 34-61-00.
RT A/C PACK LIGHT ILLUMINATES AFTER ENGINE START WITH RECALL. THE A/C PACK LIGHT RESETS WITH MASTER CAUTION. ACFT GROUNDED. NR 2 PZTC BITE PREVIOUS FLIGHT SHOWS THIS PACK TCV FAULT. REMOVED AND REPLACED RT PACK TCV IAW AMM 21-51-10. VALVE LEAKS CHECKED OK. NR 2 PZTC BITE STILL SHOWS TCV FAULTS 2 OUT OF 3 VERIFY BITE CHECKS. REMOVED AND REPLACED THE NR 2 PZTC IAW AMM 21-61-20. NR 2 PZTC BITE TESTED GOOD AND RIGHT PACK OPS CHECKED NORMAL ON GROUND.
SATCOM LOCKUP DURING POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM RESTORED NORMAL.
SATCOM LOCK UP DISCOVERED DURING FLIGHT. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM RESTORED NORMAL.
RIGHT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. NR 2 PACK/ZONE TEMP CONTROLLER FAULTS TCV. REMOVED AND REPLACED RT TCV IAW AMM 21-51-10, OPS CHECKED NORMAL.
MID CABIN EMERGENCY EXIT SIGN MOUNTED TO CEILING IS MISSING A TRIM COVER ON AFT SIDE. ACFT GROUNDED. INSTALLED TRIM COVER ON CEILING EMERGENCY EXIT SIGN AS REQUIRED.
RT PACK LIGHT ILLUMINATED WHILE TAXIING FOR TAKE OFF. QRH COMPLETED WITH, LIGHT STAYED ON. ACFT GROUNDED. TEMP CONTROL VALVE FAULT ON NR 2 TEMP CONTROLLER RIGHT PACK. BITE SHOWS ZONE FAULT ON NR 2 TEMP CONTROLLER IAW AMM 21-61-00. REMOVED & REPLACED TEMP CONTROL VALVE IAW AMM 21-51-10. REMOVED & REPLACED FWD ZONE TRIM VALVE IAW AMM 21-61-21. BONDING CHECK IAW AMM 21-61-00 OPS TEST NORMAL. LEAK CHECKED GOOD. ETOPS SIGNIFICANT SYSTEM, GOOD VERIFICATION SUCCESSFUL.
VTK AND ASSOCIATED MAP ON ND ON CAPTAINS SIDE. ACFT GROUNDED. PERFORMED FIM TASK 34-61 TASK 836. FMC DOES NOT OPERATE, FAULT ISOLATION. POSSIBLE FMC NUISANCE ERROR. FMC OPS CHECKED NORMAL. NO DEFAULT NOTED. GOOD FOR CONTINUED SERVICE. ALL SYSTEM NORMAL. MIL 34-61-16-22.
LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED WITH POWER OFF, ON THE GROUND. NOT PRESENT IN FLIGHT. ACFT GROUNDED. VERIFIED FAULT WITH SWITCH ON, NO OVERHEAT WITH SWITCH OFF, OVERHEAT. CYCLED POWER, ACCOMPLISHED HISTORY BITE TEST FOR LT FWD WHCU, FAULTED P5-9 CONTROL POWER. ACCOMPLISHED WINDOW/PITOT HEAT MODULE (P5-9) INSTALLATION TEST, TEST PASSED IAW AMM 30-41-41-400-801. NO FAULTS, IAW AMM 30-41-11-710-801.
DURING CRUISE, LOST BOTH FMC FOR ABOUT 15 SECONDS. LNAV AND VNAV WERE LOST AS WELL AS THE AIRPORT FUNCTION ON BOTH ND. NO ACTION REQUIRED AFTER SINCE ALL FUNCTIONS CAME BACK. NO VTK OR NAV DATA LOSS. LNAV AND VNAV ENGAGED NORMALLY AFTER. ACFT GROUNDED. BITE OF LEFT & RIGHT FMC SHOWS NR 1 FMC DATA INVALID INFLIGHT FAULT. STRING RESET RECORDED. GROUND VERIFICATION OPS NORMAL, IAW FIM 34-61 TASK 837, AFTER REBOOT OF LEFT & RIGHT FMC COMPUTERS.
FUEL DRIPPING FROM ENGINE 2. GROUNDED - YES. ACCOMPLISHED NR 2 ENG VENTS & DRAINS INSP REF MM 71-71-00-200-801-F00. FOUND RT VSV ACTUATOR LEAKING. NR 2 ENG RT VSV ACTUATOR LEAKING FUEL 40 DROPS PER MIN. REMOVED & REPLACED NR 2 ENG RT VSV ACTUATOR REF MM 75-31-01. LEAK & OPS CHECK GOOD.
CONTROL CABIN ZONE TEMP ILLUMINATES ON RECALL. RESETS NORMALLY. ACFT GROUNDED. REMOVED & REPLACED THE RT PACK AFT TRIM MODULATING VALVE IAW AMM 21-61-21. OPS CHECKED NORMAL.
FOUND THE LEFT FWD WINDOW OVERHEAT LIGHT ON WITH SWITCH ON AND ALL OTHERS OFF. ACFT GROUNDED. REPLACED THE WINDOW HEAT CONTROL UNIT WITH SERVICEABLE ONE. ACCOMPLISHED INSTALLATION TEST, TEST PASSED IAW AMM 30-41-11-400-801.
CREW REPORTED A LEFT FWD WINDOW OVERHEAT LIGHT. ACFT GROUNDED. PERFORMED FIM 30-41 TASK 801 & WINDOW SYSTEM OPS CHECK IAW AMM 30-41-00 OVER HEAT LIGHT EXTINGUISHED. OPS CHECKED NORMAL.
EMERGENCY SLIDE AT L1 DOOR FELL OUT OF HOUSING WHILE PARKED AT GATE. ACFT GROUNDED. REINSTALLED THE SLIDE IAW AMM 25-66-01. OPS CHECKED NORMAL.
LEFT FWD WINDOW OVERHEAT CAME ON WHEN SWITCH TURNED OFF AT SHUTDOWN. ACFT GROUNDED. CYCLED ACFT POWER. CYCLED LT FWD WINDOW OVERHEAT. NO FAULTS NOTED AT THIS TIME.
SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED TO NORMAL.
F/A REPORTED INCONSISTENT HEAT & COOLING IN AFT CABIN FRONT TO BACK AND SIDE TO SIDE. AFTER 5 HOUR FLIGHT, UNABLE TO FIND SETTING TO SATISFY AFT CABIN. ACFT GROUNDED. ACCOMPLISHED CABIN TEMP CONTROL & INDICATION TEST IAW AMM 21-61-00-700-807-002. OPS CHECKED GOOD THROUGHOUT THE ENTIRE PLANE. ACCOMPLISHED PACK - ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. NO FAULTS WERE LOGGED.
AFTER APPROX 4.5 HOURS OF FLIGHT, THE RIGHT FMC DISPLAYED VTK, A/P WENT TO CWR. ALT HOLD. F/O'S NAV DISPLAY LOST TRACK INFO. WHEN WE WERE STARTING THE QRH PROCEDURES THE VTK WENT AWAY. AFCT GROUNDED. PERFORMED FIM 22-11 TASK 811, HAD FAULT MESSAGES 22-11071 AND 22-11822 FOR LEFT FMC. REMOVED NR 1 FMC COMPUTER IAW AMM 34-61-02-000-801. INSTALLED LT FMC COMPUTER IAW AMM 34-61-02-400-801. PERFORMED SOFTWARE LOAD IAW AMM 34-61-00-470-806 AND 34-61-00-800-801. PERFORMED FMC OPERATIONAL TEST IAW AMM 34-61-00-210-801. OPS TESTED GOOD AND DFCS REPLACEMENT TEST IAW AMM 22-11-00-740-815, DFCS TEST PASSED, GROUND VERIFICATION TEST PASSED.
LEFT FMC FAILED AT CRUISE ALTITUDE WITH VTK, THEN MAP ON CAPTAIN'S NAV AND NO FMC DATA ON EITHER CDU. AFTER 1 MINUTE, NORMAL FUNCTION RETURNED WITH NO CREW ACTION. ACFT GROUNDED. REBOOTED THE LT FMC PRECAUTIONARY. LT FMC BITE TEST OK, IAW FIM 34-61TASK 804. THE FAULT WAS ONLY ON THE LT SIDE & THE SYSTEM RESET ITSELF IN FLIGHT, BOTH SIDES REBOOOTED TO MATCH UP. NO FAULTS NOTED ON RT FMC.
UNABLE TO SELECT AUTO MODE ON RADAR. ACFT GROUNDED. ACCOMPLISHED WEATHER RADAR SYS BITE REF FIM 34-43-00-810-801 WITH NO DISCREPANCIES NOTED. RADAR AUTO MODE NORMAL.
BOTH MCDU SATCOM PROMT ON 4L KEY IS ABSENT. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE, REF FIM 23-15, TASK 801, OPS CHECK NORMAL.
NR 1 & NR 2 ELECTRONIC ENGINE CONTROL LOGGED SHORT TIME FAULTS 73-31711 & 73-31712. ADIRU1 TAT DATA AND ADIRU2 TAT DATA DISAGREE. REF LOG PAGES 11559807 AND 11559808. ACFT GROUNDED. ACCOMPLISHED FIM 73-28, TASK 808. NO ADIRS OR CDS FAULTS LOGGED. MONITORED TAT AT AMBIENT AND THERE WAS A 3 DEGREE SPLIT. SPLIT EXCEEDED 6 DEGREES AS PROBE HEATED UP TO 99 DEGREES C. R & R TAT PROBE. OPS CHECK NORMAL, REF AMM 34-21-06. AFTER PROBE REPLACEMENT SPLIT WAS WITHIN 1 DEGREE.
AUTOTHROTTLE WILL NOT ENGAGE. ACFT GROUNDED. ACCOMPLISHED A/T OPS TEST, REF AMM 22-31-00/501. ALL TESTS PASSED WITH NO DEFECTS NOTED.
SPEED TRIM MASTER CAUTION ILLUMINATED ON RECALL DURING DESCENT CHECK. ACFT GROUNDED. FFR, SPEED TRIM, SHOWS 1 RELEVANT FAULT, AUTO STABILIZER TRIM CUTOUT, MESSAGE 22-1182. DFCS BITE GROUP 32.00 SPEED/TRIM PASSES NORMALLY. ETOPS GROUND VERIFICATION SUCCESSFUL IAW FIM 22-13, TASK 813 REPAIR CONFIRMATION.
FWD CARGO COMPARTMENT FLOOR PANEL 120BF HAS MULTIPLE DEEP GOUGES. ACFT GROUNDED. REMOVED FWD CARGO COMPARTMENT FLOOR PANEL 120BF IAW AMM 25-52-10-000-801 & FABRICATED NEW PANEL IAW DWG 453A1610, REV:E ALODINED & PRIMED NEW PANEL IAW SRM 51-20-01. INSTALLED NEW PANEL IAW AMM 25-52-10-400-801 .
FWD CARGO COMPARTMENT FLOOR PANEL 120EF HAS MULTIPLE DEEP GOUGES. ACFT GROUNDED. REMOVED FWD CARGO COMPARTMENT FLOOR PANEL 120EF IAW AMM 25-52-10-000-801 & FABRICATED NEW PANEL IAW DWG 453A1610, REV-B, ALODINED & PRIMED NEW PANEL IAW SRM 51-20-01 & INSTALLED IAW AMM 25-52-10-400-801.
FWD CARGO COMPARTMENT FLOOR PANEL 120DF HAS MULTIPLE DEEP GOUGES. ACFT GROUNDED. REMOVED FWD CARGO COMPARTMENT FLOOR PANEL 120DF IAW AMM 25-52-10-000-801 & FABRICATED NEW PANEL IAW DWG 453A1610, REV A ALODINED & PRIMED NEW PANEL IAW SRM 51-20-01 & INSTALLED IAW AMM 25-52-10-400-801 .
CABIN TEMP VERY HOT IN FWD CABIN 6-15, ROW, QRH FOLLOWED, CABIN TEMP LOWERED WITHIN SHORT TIME PERIOD. "TRIM SWITCH OFF". ACFT GROUNDED. BITE TESTED TEMP CONTROLLERS, REF FIM 21-61-00-810-801. VERIFIED FAULT, ACCESSED 4 CEILING PANELS FROM ROWS 6 TO 15, NO DEFECTS NOTED. CLOSED PANELS. ACCESSED FWD TEMP FAN, REPLACED FAN SENSOR WITH NEW ONE, CLEANED FILTER & TEMP BULB. CLOSED PANEL. ACCOMPLISHED CABIN TEMP BULB TEST, TEST FAIL BOTH FWD AND AFT ZONES. REPLACED CABIN TEMP INDICATOR, NO HELP, REINSTALLED ORIGINAL PART. CHECKED GROUNDS AT INDICATOR CONNECTION D90, FOUND BAD RESISTANCE. REPLACED CONNECTOR & SOCKETS FOR D90 & RECONNECTED TO INDICATOR. DURING T/S FOUND V146, PRSOV, STUCK IN CLOSED POSITION IN BOTH ON & OFF. REPLACED V146 WITH NEW ONE. ACCOMPLISHED INSTALLATION TEST FOR V146 & BOTH CABIN TEMP BULBS & FAN SENSOR ALL PASS. REF AMM 21-51-11-400-801, 21-61-31-400-801, 21-61-32-400-801, WDM 21-61-51, SWPM 20-60-11 & AMP 5-07-01.
F/A REPORTED CABIN TEMP VERY HOT FROM ROWS 6-15. FOLLOWED QRH PROCEDURE-TURNED TRIM AIR SWITCH OFF. AFTER 15 MINUTES CABIN TEMP WAS REPORTED VERY GOOD. TRIM AIR SWITCH LEFT IN OFF POSITION. ACFT GROUNDED. ACCOMPLISHED FIM TASK 21-62, 801, P/2 TEMP CONTROL BITE NO FAULTS LOGGED, BITE TEST OK. CLEANED CABIN TEMP SENSOR FILTERS, REF AMM 21-61-06, PB 400. ACCOMPLISHED FIM TASK 21-62, NR 849, PASSENGER CABIN CONTROL TEMP. NORMAL, NO DEFECTS NOTED.
LEFT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED AFTER LANDING. ACFT GROUNDED. ACCOMPLISHED WHCU BITE IAW FIM 30-41, TASK 801 NO CURRENT FAULTS COOLED WINDOW AND ACCOMPLISHED OPS CHECK WITH NO FAULTS REF AMM 30-41-00.
SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
TEMPORARY FMC FAILURE ON CAPTAIN'S SIDE WITH VTK DISPLAYED ON CAPTAIN'S ND. RETURNED TO NORMAL WITHIN 15 SECONDS BEFORE ACCOMPLISHING QRH PROCEDURE. ACFT GROUNDED. ACCOMPLISHED FIM 34-61, TASK 836, FMC OPS NORMAL, ACFT CHECKS GOOD FOR SERVICE.
RIGHT PACK LIGHT ON RECALL, CLEARS WITH CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE ON NR 2 CONTROLLER, SHOWED TCU FAULT. RESET NR 2 CONTROLLER CLEARED FAULT REF FIM 21-62, TASK 801. RAN RIGHT PACK FOR 20 MINS, NO FAULTS NOTED. RE-ACCOMPLISHED BITE CHECK ON NR 2 CONTROLLER, NO FAULTS NOTED, FIM 21-62, TASK 801.
DURING CLIMB, THROUGH FL 260, RT BLEED FAILED. PERFORMED THE QRH AND RT BLEED DID NOT RESET AT CLIMB POWER OR WITH POWER REDUCED TO 90 PERCENT N1 IN THE CLIMB. AFTER 30 MIN AT CRUISE FLIGHT WE WERE ABLE TO RESET THE RT BLEED AT FL 350. RIGHT BLEED PSI WAS 43 WHEN THE BLEED FAILED AFTER RT BLEED RESET DUCT PRESS STABILIZED AT 15 PSI. ACFT GROUNDED. TROUBLESHOT RT PNEUMATIC BLEED SYS IAW AMM 36-11-00. FOUND PRSOV AND PCCV FAILED. R & R RT PRSOV IAW AMM 36-11-04. OPS AND LEAK CHECKS GOOD. R & R RT PCCV IAW AMM 36-12-02. OPS AND LEAK CHECKS GOOD. SUCCESSFUL GROUND VERIFICATION ACCOMPLISHED ON RT PNEUMATIC BLEED SYS.
FUEL QTY NR 1 CB IS OUT. ACFT GROUNDED. RESET FUEL QTY NR 1 CIRCUIT BREAKER AND PERFORMED GVI INSPECTION, NO DEFECT NOTED IAW AMM 20-60-01. PERFORMED OPS TEST OF THE FUEL QUANTITY INDICATION, FOUND NORMAL, REF AMM 28-41-00-710-801.
UNABLE TO RECEIVE TAKEOFF PERFORMANCE VIA ACARS. ACFT GROUNDED. PERFORMED FMC NR 1 AND NR 2 SOFTWARE CONFIGURATION CHECK REF AMM 34-61-00. FOUND OPC SOFTWARE TO BE INCORRECTLY MATCHED TO OPS, PN 556909-001, U11, SOFTWARE. INSTALLED CORRECT OPC SOFTWARE PN BCG-01T-61 TO NR 1 FMC USING LAPTOP AND CROSSLOADED SAME SOFTWARE TO NR 2 FMC REF AMM 34-61-00-470-805. VERIFIED CORRECT SOFTWARE INSTALLATION ON NR 1 AND NR 2 FMC BY CONFIGURATION CHECK REF ABOVE. OPS CHECKS GOOD REF AMM 23-27-00.
CONTROLLER CABIN, ZONE TEMP, LIGHT ILLUMINATED ON RECALL AND DID NOT RESET. ACFT GROUNDED. ACCOMPLISHED BITE TEST IAW PLACARD ON FRONT OF TEMP CONTROLLER, RESET FAULT, OK FOR SERVICE.
MAP FLAG ON CAPTAINS ND AFTER FMC PREFLIGHT. ACFT GROUNDED. PERFORMED FIM TASK 24-61, TASK 835. RESET NR 2 FMC C/B AND NR 1 C/B. OPS NORMAL.
SATCOM LOCK-UP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
LEFT FWD WINDOW HEAT OVERHEAT LIGHT ON AT SHUTDOWN WITH SWITCH OFF. ACFT GROUNDED. COULD NOT DUPLICATE, NO HISTORY 90 DAYS. ACCOMPLISHED WINDOW HEAT SYSTEM OPS TEST IAW AMM 30-41-00-710-801, TEST PASSED.
R1 DOOR LOWER EMERGENCY EXIT SIGN BROKEN. ACFT GROUNDED. R & R R1 DOOR LOWER EMERGENCY EXIT SIGN. OPS CKS GOOD. REF AMM 33-51-01.
IN CRUISE, AT FL 270, 2 FMC "VTK" FLAG WAS DISPLAYED, WITH "CWS" ON FMA ROLL MODE. SWITCHED TO CAPTAIN ON AUTOPILOT AND MASTER, THEN "VTK" F/O FLAG DISAPPEARED AND NR 2 FMC RETURNED TO NORMAL OPS. USED CAPT A/P AND FMC REMAINDER OF FLIGHT. ACFT GROUNDED. CREW STATED RT FMC RECOVERED NORMAL, OPS RT FMC, OPS NORMAL REF AMM 34-61-00-710-801. FMC TRANSFER SWITCH IN NORMAL POSITION.
AFTER ENGINE START, UPON RECALL, THE LT PACK ILLUMINATED AND EXTINGUISHED AFTER PUSHING RECALL AGAIN. ACFT GROUNDED. R & R LT PACK TCV REF AMM 21-51-10. GROUND VERIFICATION BITE TEST IAW AMM 21-61-00 GOOD, LEAK CHECK GOOD.
DURING PREFLIGHT, PRESSURIZATION PANEL AUTO FAIL AND ALTN LIGHTS WERE ILLUMINATED WITH SYSTEM IN AUTO. ACFT GROUNDED. CYCLED SWITCH ON PRESSURIZATION PANEL MODE SELECTOR TO MANUAL, AND THEN BACK TO AUTO. THE AUTO FAIL LIGHT REMAINS EXTINGUISHED WITH SELECTOR IN AUTO. PERFORMED FIM TASK 21-31, TASK 801. SYSTEM OK.
SATCOM SELECTION WAS MISSING ON THE MCDU MENU PAGE AND NO SATCOM PAGES AVAILABLE. ACFT GROUNDED. PERFORMED SATCOM LOCK-UP RESET PROCEDURE IAW QRH. NORMAL DISPLAY RETURNED AND NORMAL OPS OBSERVED.
F/A REPORTS EMERGENCY LIGHT AT 8C MISSING COVER/LENS. ACFT GROUNDED. R & R OVERHEAD EMERGENCY LIGHT ASSY AT 8C, OPS CHECK GOOD REF AMM 33-51-03-960-805.
EMERGENCY EXIT LIGHT AT SEAT 16A REMAINS ILLUMINATED. ACFT GROUNDED. REMOVED AND INSTALLED NEW BATTERY PACK ON LT SIDE FWD DOOR OVERWING REF 33-51-06. LIGHT CHECKS NORMAL.
F/O`S NAV DISPLAY SHOWING MAP. ACFT GROUNDED. FOUND NR 2 FMC PERFORMED PAGE MISMATCH WITH NR 1 FMC. RELOADED LDDB SOFTWARE FOR NR 2 FMC REF 34-61-00/201 AND 34-61-00-410-805, MAP FLAG EXTINGUISHED.
LEFT FMS FAILED. RAN QRH PROCEEDURE BUT UNABLE TO RESTORE FMC. ACFT GROUNDED. R & R LEFT FMC IAW AMM REF 34-61-02-000-801/34-61-02-400-801. LOADED SOFTWARE BY CROSSLOADING FROM RT FMC REF AMM 34-61-00/201. OP'S CK'S GOOD.
LEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED DURING TAXI IN. FOLLOWED QRH LIGHT STAYED ON. ACFT GROUNDED. PERFORMED A RESET ON LT FWD WINDOW OVERHEAT LIGHT AND LIGHT EXTINGUISHED. PERFORMED FIM 30-41 TASK 801. NO DEFECTS NOTED AT THIS TIME. NO HISTORY NOTED. GOOD FOR RETURN TO SERVICE AT THIS TIME.
FMC DISAGREE ON GROUND. ACFT GROUNDED. RESET AFTER QRH CHECKLIST. OPS NORMAL.
OVERWING EXIT SIGN FELL DOWN. ACFT GROUNDED. SECURED OVERWING EXIT SIGN.
EMERGENCY EXIT SIGN ON AISLE CEILING BROKEN AND HANGING BY WIRE. SIGN SECURED TO CEILING WITH TAPE. ACFT GROUNDED. RESECURED EMERGENCY EXIT SIGN ON AISLE CEILING.
LEFT FWD WINDOW OVERHEAT LIGHT COMES ON WHEN TURNING OFF WINDOW HEAT ON SHUTDOWN. ACFT GROUNDED. CYCLED L1 WINDOW HEAT ON/OFF S/W 20 TIMES, NO FAULTS NOTED. PERFORMED WINDOW HEAT CONTROL UNIT SYSTEM TEST, OPS NORMAL, REF TASK 30-41-11-710-801. GROUND VERIFICATION SUCCESSFUL.
RT FMC FAILURE. ACFT GROUNDED. R & R RT FMCS COMPUTER. ACCOMPLISHED FMC SOFTWARE CROSSLOAD. SET FMCS DRAG FACTOR. OPS TEST NORMAL REF MMS 34-61-02-400-801, 34-61-00-470-806, 34-61-00-800-801, 34-61-00-710-801, EA 900ER-34EA-15587.
RIGHT SIDE FMC "VTK" NOTED. PROBLEM INTERMITTENT. ACFT GROUNDED. ACCOMPLISHED FMC (R) BITE REF FIM 34-61, TASK 801 OF FIM IN FLT FAULTS SHOWS LEG, 1 FAULT, FMC-R PGM FAULT. REF H/W/S/W FAULT FIM 34-61, TASK 807. OPS TEST NORMAL. FMC SHOWS OK IAW FIM INTERMITTENT FAULT.
RT FMC FAILED. FOLLOWED QRH PROCEDURE. NO BEARING OR DISTANCE INFO DISPLAYED ON POS SHIFT PAGE 3/3 FOR FMC-R. ACFT GROUNDED. FOUND RT FMC FAIL. CYCLED BOTH FMC CIRCUIT BREAKERS AND BOTH FMC, OPS CK GOOD. REF FIM 34-61, TASK 836. NO HISTORY 30 DAYS.
MAINTENANCE MESSAGE 73-30311 DISPLAYED ON CDU RECENT FAULTS. SHORT TIME FAULT. THE START SWITCH SIGNAL AND BUS DATA DISAGREE. ACFT GROUNDED. ACCOMPLISHMENT OF T/C 78273000 ON WO 306045 SHOWED NO FAULTS ON EITHER ENGINE. PERFORMED T/C FOR FAULT 73-30311, DUAL CHANNEL FAULT FOR NR 1 ENGINE IAW FIM 73-24, TASK 813. INITIAL EVALUATION, EEC TEST IAW MM 73-21-00-700-804-F00 IN EACH START SWITCH POSITION. DID NOT CONFIRM FAULT. PERFORMED START SWITCH TEST FOR NR 1 ENGINE START SWITCH S266 IAW MM 80-11-00-730-801-F00. ALL TESTS PASS.
AUTOLAND UNSUCCESSFUL. ACFT DRIFTED TO THE LT OF CENTER AT 100' AS 5 KNOT CROSSWIND DIED OFF TO ZERO AIII APP WARNING CAME ON AT 50 AGL. ILS CRITICAL AREA WAS CLEAR. ACFT GROUNDED. FAULT REVIEW SHOS NO FAULTS REF FIM 22-11 TASK 801. PERFORMED LAND VERIFY TEST REF MM 22-11-00/201, BITE GRP 49 ALL TESTS PASSED. PERFORMED HGS OPERATIONAL TEST, REF MM 34-36-00. ALL TESTS PASSED.
AFTER ENGINE SHUTDOWN, DISCOVERED LT FORWARD WINDOW HEAT OVERHEAD LIGHT ILLUMINATED. ACFT GROUNDED. CYCLED LT FRONT WINDOW HEAT C/B, REF AMM 20-60-01. OVERHEAT LIGHT WENT OUT. ACCOMPLISHED WINDOW HEAT OPS TEST, REF AMM 30-41-00. OPS NORMAL. ACCOMPLISHED WINDOW HEAT CONTROL UNIT BITE, REF. FIM 30-41, TASK 801. NO FAULTS NOTED, NO HISTORY PAST 60 DAYS.
FMC DISAGREE LIGHT ILLUMINATED ON TAXI OUT. ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED, FMC DISAGREE LIGHT EXTINGUISHED, OPS NORMAL.
FMC DISAGREE ON TAXI OUT GROUNDED. COMPLIED WITH QRH 11.2 FMC DISAGREE MESSAGE ON LONGER DISPLAYED.
F/A REPORTS HOT TEMPERATURE SPOT BETWEEN ROW 6 AND 13. ACFT GROUNDED. PERFORMED CABIN TEMPERATURE CONTROLLER BITE CKS. REF FIM 21-61TASK 801. FOUND FAULT ON FWD ZONE, TRIM AIR MOD VALVE. REPLACED FWD ZONE, TRIM AIR MOD VALVE REF. AMMM 21-61-21. OPS CKS NORMAL, LEAK CKS GOOD. VERIFIED NO FAULT ON BITE CKS. NO HISTORY 30 DAYS.
ELECTRIC LIGHT ON OVERHEAD PANEL ILLUMINATED AFTER STARTING. ACFT GROUNDED. PERFORMED FIM TASK 24-31-801, FOUND STATIC INVERTER FAULT CYCLED STANDBY POWER AND FAULT CLEARED. ELECT LIGHT EXTINGUISHED. ACFT OK FOR SERVICE IAW FIM TASK 24-31, TASK RAN ENGINES AND APU AND POWER SWITCHING IS NORMAL.
NR 2 ENGINE START, FAILED OPEN AFTER START. ACFT GROUNDED. OPERATED START VALVE MANUALLY TO CLOSED & OPENED POSITION. START VALVE AUTOMATICALLY CLOSED. PERFORMED OPS TEST OF START VALVE DURING START & RUN. START VALVE OPS TEST & LIGHT INDICATION TEST GOOD. IAW AMM TASK 80-11-03-400-801-F00 & TASK 71-00-00-800-811-F00.
MCP DIGITS DO NOT DISPLAY, EVEN WITH "LIGHTS TEST" SELECTED. ACFT GROUNDED. CYCLED CB'S FOR MCP, P18-1, D5, MCP, DC1 AND P6-2, C3, MCP DC2 AND DIGITS DISPLAYED. PERFORMED MCP INSTALLATION TEST IAW MM 22-11-34. ALL TESTS PASSED. NO HISTORY 30 DAYS. GROUND VERIFICATION SUCCESSFUL.
FMC DISAGREE ON GROUND. ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED, OPS NORMAL.
NO SATCOM ON MCDU MENU. ACFT GROUNDED. PERFORMED QRH PROCEDURE SATCOM RESET & OPS NORMAL.
GOT FMC DISAGREE MESSAGE ON MCDU ON TAXI OUT. ACFT GROUNDED. PERFORMED QRH PROCEDURE FMC RESET & OPS NORMAL.
ENTERING TERMINAL AREA, LOST USE OF BOTH FMC'S WITH VTK FLAG ON CAPT'S ND. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 836, LT FMC RESTORED WITH NO OTHER FAULTS NOTED. ACFT OK FOR SERVICE.
FMC DISAGREE MESSAGE ON TAXI OUT. ACFT GROUNDED. PERFORMED QRH PROCEDURE. RESTORED FMC TO OPS NORMAL.
DURING CRUISE, RIGHT FMC FAILED, VTK FOLLOWED BY MAP DATA LOSS ON F/O PFD. FMC RESET ITSELF WITHOUT PILOT INTERVENTION. ACFT GROUNDED. BOTH FMC TESTED IAW MM 34-61-00 AND BOTH OPS CK GOOD. NO HISTORY 30 DAYS.
SATCOM 1 DIALS OUT, DISPATCH CAN HEAR, CAN`T HEAR THEM. SATCOM 2 WONT DIAL OUT. ACFT GROUNDED. SATCOM NR 1 AND 2 OPS NORMAL, IAW AMM TASK 23-15-00-730-801.
F/A REPORTED HOT IN CABIN ROW 6 TO ROW 15. REST OF CABIN COMFORTABLE BOTH FORE AND AFT. BITE CHECKED BOTH ZONE TEMP CONTROLLERS REF FIM 21-62, TASK 801. NO FAULTS. FOUND FWD CABIN TEMP SENSOR FILTER CLOGGED. CLEANED IAW MM 21-61-06. VERIFIED FWD CABIN DUCT TEMP DECREASED & INCREASED WITH TEMP CONTROL KNOB POSITION. ETOPS GROUND VERIFICATION TEST SUCCESSFUL.
FMC DISAGREE ILLUMINATED DURING TAXI OUT. ACFT GROUNDED. RAN QRH RESOLVED ISSUE.
SAT PROMPT MISSING ON MENU ON GROUND. ACFT GROUNDED. PERFORMED QRH PROCEDURE. PROMPT REAPPEARED ON MCDU.
AFT CARGO FIRE LIGHT FAULT DETECT IN NORMAL MODE LIGHT IS INTERMITTENT. ACFT GROUNDED. CLEANED ALL 3 AFT CARGO COMPARTMENT LOOP A SMOKE DETECTORS IAW MM 26-16-01. DURING CLEAN, FOUND DETECTOR A1, M2242, WITH DAMAGED COMPONENTS ON CIRCUIT BOARD. R & R M2242, REF MM 26-16-01. CARGO FIRE PANEL DETECTOR SELECT SWITCH PLACED TO NORMAL GROUND VERIFICATION SUCCESSFUL, REF MM 26-16-01.
ELECTRIC LIGHT ILLUMINATED ON OVERHEAD PANEL. ACFT GROUNDED. REPLACED AUXILLARY BATTERY CHARGER, OPS TEST NORMAL, IAW MM 24-31-31.
DURING PREFLIGHT FOUND "ALTN POWER-CHAN B" CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. VERIFIED EEC 1 TRIPPING CIRCUIT BREAKER, ALSO, REPLACED NR1 ALTN PWR CIRCUIT BREAKER. R & R NR 1 ENG EEC IAW 73-21-60. NR 1 EEC, OP CHECKED NORMAL. REF MM 73-21-00.
DURING CARGO FIRE TEST, DETECTOR FAULT LIGHT ILLUMINATED AFT WARNING LIGHT DOSE NOT ILLUMINATE ON A LOOP. ACFT GROUNDED. TESTED FWD AND AFT DETECTORS ON A, B, NORM 10 TIMES. AFT LIGHT CAME ON EACH TIME. DETECTORS FAULT LIGHT DID NOT ILLUMINATE. PERFORMED GVI OF EACH AFT CARGO SMOKE DETECTORS, NO DEFECTS NOTED.
NR 1 PACK LIGHT ILLUMINATED ON DESCENT. QRH PROCEDURE ACCOMPLISHED. LIGHT WENT OUT WITH "RESET" AND REMAINED OFF FOR DURATION OF FLIGHT. ACFT GROUNDED. PERFORMED BITE CHECK AT LT CONTROLLER. FOUND FAULT NR ZONE TRIM AIR VALVE, REPLACED VALVE IAW 21-61-21 AMM. BITE CK AT LT AND FAULT CLEARED. OPS CKD, APU OKD, NO LEAKS.
SATCOM INOPERATIVE, ACFT GROUNDED. ACCOMPLISHED SATCOM COMMUNICATION SYSTEM TESTS IAW MM 23-15-00-730-801, PARA A. 1, B, C, D, E. NO DEFECTS NOTED. VOICE COMMUNICATION TX/RX WITH SEA DISPATCH LOUD AND CLEAR. NO HISTORY LAST 30 DAYS.
NR 1 ENGINE RECENT FAULT MESSAGE 77-11131, N-2 SPEED SENSOR SIGNAL DISAGREES. SHORT TERM FAULT. ACFT GROUNDED. ACCOMPLISHED FIM TASK 77-11, TASK 802. R & R N2 SENSOR. OPS CK GOOD REF AMM 77-11-02 & IPC 77-11-02-01A.
WINDOW OVERHEAT LIGHT ILLUMINATED TWICE IN FLIGHT, R2 SIDE, PERFORMED QRH. ACFT GROUNDED. ACCOMPLISHED FIM TASK 30-41/801 FOUND R2 WINDOW SENSOR WIRING LOOSE. SECURED, NO HELP. SWAPPED TO SPARE SENSOR IAW W/D 30-41-11 PAGE 1.1 SHEET 1. R2 HEAT CHECKED OK IAW 30-41-00-710-801. GROUND VERIFIED CHECKED OK.
NR 1 ENGINE START VALVE OPEN LIGHT ILLUMINATED IN FLIGHT AT FL370, PERFORMED QRH. ACFT GROUNDED. TROUBLESHOT NR 1 ENGINE START VALVE. R & R THE START VALVE. OPS & LEAK CHECKED OK IAW AMM 80-10-03 PB 401. GROUND VERIFICATION CHECKED OK.
WINDOW OVERHEAT LIGHT R2 ILLUMINATED AT CRUISE FLIGHT. ACFT GROUNDED. ACCOMPLISHED WINDOW HEAT SYS OPS TEST ON REPLACEMENT WINDOW REF WDM30-41-00-710-801. OPS NORMAL. REMOVED DEFECTIVE R-2 WINDOW REF AMM 56-12-11-000-801. INSTALLED SERVICEABLE R-2 WINDOW IAW AMM 56-12-11-400-801 AND ACCOMPLISHED WINDOW ADJUSTMENT AND OPS CHECK CHECKED GOOD IAW AMM 56-12-11-820-801. LEAK CHECKED GOOD. GROUND VERIFICATION CHECK SUCCESSFUL.
NR 1 ENGINE SHOWS A FAULT 77-11131. THE N1 SPEED SENSOR SIGNALS DISAGREE, FOR LAST 3 FLT LEGS IN EEC MEMORY. FAULT 77-11131 IS A SHORT TERM FAULT. ACFT GROUNDED. ACCOMPLISHED FIM TASK 77-11, TASK 803 FOR FAULT CODE 77-11131 "N2 SENSOR SIGNAL DISAGREE". EEC FAULT HISTORY SHOWED BOTH 77-11131 "N2 SIGNALS DISAGREE" AND FAULT CODE 77-11181 "N2 SIGNAL IS OUT OF RANGE". IAW FIM TASK 77-11, TASK 803, IF FAULT CODE 77-11181 SHOWS IN RECENT FAULTS, ACCOMPLISH FIM TASK 77-11, TASK 802. FOUND N2 READINGS AT 59.9 OHMS, WITHIN LIMITS. REQUIRES NR 1 ENG EEC. EEC R & R REF AMM 73-21-60-000-801-F00, 73-21-60-400-801-F00. ALL TEST GOOD, IAW MM 73-21-00 FADEC TEST.
WEATHER RADAR WILL NOT TEST. ACFT GROUNDED. REPLACED WXR R/T REF MM 34-43-41-000-801 OPS CK OK. OPENED, TAGGED, & CLOSED 2 C/B'S ETOPS PARTS VERIFICATION COMPLETE SEAM C ETOPS GROUND VERIFICATION COMPLETE SEAM C.
AT TOP OF DESCENT, RECEIVED SINGLE FMC OPERATIONS WITH RT VTR AND MAP LIGHT. FOLLOWED QRH, RT FMC FAILURE. ACFT GROUNDED. CYCLED RT FMCS BREAKERS, DUAL OPS RESTORED, RT FMC OPERATIONAL TEST NORMAL REF. AMM 34-61-00-710-801. GROUND VERIFICATION GOOD.
EMERGENCY EXIT LIGHT LENS COVER, OVER ROW 29DEF, CRACKED. ACFT GROUNDED. R & R LIGHT LENS COVER IAW AMM 25-00-00.
AFT CARGO BAY FLOOR PANEL PUNCTURED SIX INCHES FT AFT OF FWD BULKHEAD AND 16 INCHES INBD OF RT EDGE OF PANEL. ACFT GROUNDED. REMOVED THE FLOOR PANEL IAW AMM 25-52-10. FABRICATED A NEW FLOOR PANEL IAW DWG 453A2610, REV B. AND INSTALLED IAW AMM 25-52-10.
CABIN TEMP CONTROL WAS HARDER TO MANAGE IN FLIGHT. NOTICED THE OUTPUT OF THE RT & LT PACKS ARE NOT THE SAME IN STABLE CRUISE. RT PACK IS 6 DEGREES C, LEFT PACK IS 21 DEGREES C. WHEN TRIM AIR IS OFF, RT PACK RETURNS TO 21 DEGREES. ACFT GROUNDED. UNCONTROLLABLE HEAT FROM BELOW 12,000 FT COCKPIT REACHED 54 DEGREES, TEMP CONTROLLER HAD NO IMPACT ON TEMP. TURNING LT PACK OFF ONLY WAY TO GET TEMP TO DECREASE. REPLACED TEMP CONTROL VALVE IAW AMM 21-51-10-000-801. LEAK CHECKED GOOD. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE IAW MM 21-61-00, GROUND VERIFICATION TEST PASSED.
NR 1 ENG HAS MAINTENANCE MESSAGE 73-30311, "START SWITCH SIGNAL AND BUS DATA DISAGREE" ACFT GROUNDED. ACCOMPLISHED FIM 73-24 TASK 813. INITIAL EVALUATION SHOWS NO CURRENT FAULTS. PERFORMED EEC TEST FOR NR 1 ENG AMM TASK 73-21-00-700-804-F00. TEST PASSED. NO MAINTENANCE MESSAGES LOGGED.
FMC DISAGREE ON THE GROUND. ACFT GROUNDED. ACCOMPLISHED QRH WHICH RECTIFIED THE PROBLEM.
LT FMC INOPERATIVE. ACFT GROUNDED. RESET LT FMC CIRCUIT BREAKER, OPS NORMAL, REF FIM 34-61, TASK 837. NO HISTORY 30 DAYS.
FMC DISAGREE, LIGHT CAME ON AT TAXI OUT. ACFT GROUNDED. CHECKLIST USED FMC RESTORED.
LEFT FMC FAILED. WHILE STARTING TO ACCOMPLISH THE QRH IT BEGAN WORKING AND OPS NORMAL. ACFT GROUNDED. ACCOMPLISHED FMC BITE REF FIM 34-61, TASK 801. OPS TEST NORMAL. NO FAULTS DETECTED.
DURING CRUISE, FMC LIGHT ILLUMINATED ON FORWARD INSTRUMENT PANEL AND "VTK" APPEARED ON CAPTAIN'S DU. BUT NO MESSAGE WAS ILLUMINATED IN FMC SCRATCH PAD. CAPTAIN'S FMC BLANKED AND ALL INFOR IN F/O'S FMC DUMPED AS IF FMC'S HAND NEVER BEEN PROGRAMED PRIOR TO DEPARTURE. DURING BLANKING OF F/O'S FMC, ALL WAYPOINTS ON BOTH CAPTAIN'S AND F/O'S DU MAP DISAPPEARED, BUT AUTOMATION CONTINUED TO REMAIN IN L NAV AND NEVER REVERTED TO HEADING SELECT. THIS ENTIRE EVENT LASTED APPROXIMATELY 60-90 SECONDS BEFORE ALL AUTOMATION RETURNED TO NORMAL. ACFT GROUNDED. PERFORMED FMCS 1 AND 2 OPS TEST IAW 34-61-00-710-801. NO FAULTS NOTED AT THIS TIME. NO HISTORY PAST 30 DAYS.
DURING SHUTDOWN WITH WINDOW HEAT SWITCHES SELECTED OFF, THE LT FORWARD WINDOW OVERHEAT LIGHT WAS ILLUMINATED. CONFIRMED COULD FEEL HEAT ON THE LT FORWARD WINDOW ONLY. AFTER CYCLING WINDOW HEAT SWITCH ON AND OFF, LIGHT EXTINGUISHED. AFTER WAITING SEVERAL MINUTES, COULD NOT DETECT HEAT ON THE WINDOW. ACFT GROUNDED. PERFORMED WINDOW HEAT CONTROL UNIT BITE CHECK IAW FIM 30-41-801. NO DEFECT NOTED. PERFORMED WINDOW HEAT OPS TEST IAW AMM 30.41-00. NO DEFECT NOTED. NO HISTORY FOR PAST 30 DAYS.
FMC DISAGREE. ACFT GROUNDED. ACCOMPLISHED QRH. OPS NORMAL.
BOTH SAT 1 & 2 WILL NOT TRANSMIT, BOTH RECEIVE VOICE COMMUNICATION OK. SATCOM USE WAS IAW FLIGHT HANDBOOK PROCEDURES. ACFT GROUNDED. PERFORMED SATCOM SYSTEM TEST IAW MM 23-15-00 SYS TESTS GOOD BOTH TRANSMIT AND RECEIVE.
FMC DISAGREE LIGHT ILLUMINATED ON TAXI OUT. ACFT GROUNDED. ACCOMPLISHED QRH CHECKLIST. LIGHT WENT OUT.
ON RECALL, RECEIVED MASTER CAUTION FLIGHT CONTROLS OVERHEAD ANNUNCIATED SPEED TRIM FAIL MACH TRIM FAIL. CAPTAINS ADI HAS FD FLAG. OVERHEAD LIGHTS EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. FOUND CIRCUIT BREAKER TRIPPED ON P18-1 (D-1) WARNING LIGHT AND FCC A INOPERATIVE WITH FAULT 22-11303 LOGGED. REPLACED FCC A IAW MM 20-60-01. PERFORMED FCC LRU INTERFACE TEST AMM 22-11-00, BITE 35, ACCOMPLISHED LAND VERIFY MM 22-11-00, BITE 49, PERFORMED HEADINGS SENSOR TESTS FCC/AT SSM 34-36-00, ALL TESTS PASS.
FMC DISAGREE MESSAGE DISPLAYED. ACFT GROUNDED. COMPLETED QRH PROCEDURE SUCCESSFULLY.
FMC DISAGREE, OCCURRED ON GROUND. ACFT GROUNDED. ACCOMPLISHED RESTORATION PROCEDURE. NORMAL OPS.
MAP FLAG ON CAPTAIN`S NAVAGATION DISPLAY. ACFT GROUNDED. REMOVED AND INSTALLED NEW NR 1 FMC COMPUTER. PERFORMED SYS, OPS CHECKED IAW 34-61-00/201. R & R IAW 34-61-02. SYS CHECKED NORMAL. ALL REQUIRED SW RELOADED 34-61-00-710-801.
R1 DOOR EXIT SIGN FELL OFF. ACFT GROUNDED. REPLACED LIGHT ASSY, OPS CKS NORMAL.
ENROUTE, RIGHT FMC FAILED, UNABLE TO RESTORE USING QRH CHECKLIST. ACFT GROUNDED. PERFORMED FMC OPS TEST. OPS CHECKED GOOD. NO HISTORY PAST 60 DAYS. IAW AMM 34-61-00-710-801.
FAULT LIGHT ILLUMINATED WHEN WE TRY TO START APU. ACFT GROUNDED. REPLACED APU IGN UNIT REF AMM TASK 49-41-31/401. RAN APU 3 TIMES NO FAULTS NOTED.
APU FAILED TO START ON LANDING APU FAULT LIGHT ILLUMINATED. ACFT GROUNDED. REPLACED APU IGNITER PLUG REF MM 49-41-51. OPS CHECK GOOD, ACCOMPLISHED APU BITE CHECK, NO FAULTS NOTED.
RADAR IN MANUAL OR AUTO, ALL DISTANCES, AND GAIN IN AUTO OR MANUAL SHOWS A WAGON WHEEL TYPE SPOKING AT ONE, TWO AND 3 O`CLOCK POSITIONS. ACFT GROUNDED. INFORMED THAT WX RADAR STARTED WORKING ABOUT 20 MINUTES BEFORE LANDING. ACCOMPLISHED GROUND VERIFICATION TEST IAW AMM 34-43-00-710 & FIM 34-43, TASK 801, OPS NORMAL. NO FAULTS & WX RADAR R/T COOLING FAN OPS NORMAL.
FMC DISAGREE ILLUMINATED AFTER PUSHBACK. ACFT GROUNDED. QRH COMPLETED, OPS NORMAL.
MAP FLAG ON CAPTAIN`S ND. ACFT GROUNDED. PERFORMED BITE CHECK OF FMCS NO FAULTS NOTED REF AMM 34-61-801, RESET SYS OPERATES NORMAL NO DEFECTS NOTED.
SATCOM DOES NOT APPEAR ON THE ACARS MENU PAGE. ACFT GROUNDED. UNABLE TO DUPLICATE DISCREPANCY, SATCOM PROMPT NORMAL ON CDU. SATCOM TEST OK REF 23-15-00-730-801.
LT FMC INOPERATIVE, VTK DISPLAYED. CONTINUED SINGLE FMC OPERATION. ACFT GROUNDED. CYCLED NR 1 FMC COMPUTER CIRCUIT BREAKER, OPS RESTORED. ACCOMP OPS CHECKED IAW 34-61-00, SYS OPS NORMAL. GROUND VERIFICATION SUCCESSFUL, SEAM C.
MAIN CABIN TEMP HARD TO CONTROL WITH FWD & AFT CONTROLLERS ABOUT 10-11:00 O`CLOCK POSITION, AFT CABIN TEMP ABOUT 26-28C. AFTER 45 MINS AT FULL COLD AND SUPPLY TEMP AT 8-10C CABIN FINALLY COOLED TO ABOUT 21-22C. FWD AND AFT CONTROLLERS TO MAINTAIN 21C MUST BE ABOUT 8:30 TO 9 O`CLOCK POS. ACFT GROUNDED. FOUND FWD & AFT CABIN TEMP SENSOR FILTERS DIRTY. CLEANED BOTH FWD & AFT CABIN TEMP SENSOR FILTERS. OPS CK GOOD. REF AMM 21-61-06 & FIM 21-61, TASK 863.
F/A`S REPORT CABIN TOO WARM BETWEEN ROWS 6 & 10. PILOTS COOLED CABIN (FWD) NUMEROUS TIMES TO ABNORMALLY LOW SETTINGS AND STILL REPORTED TOO WARM. ACFT GROUNDED. PERFORMED BITE ON ZONE TEMP CONTROLLERS. NO FAULTS LOGGED. PERFORMED CABIN TEMP CONTROL OPS CHECK IAW AMM 21-61-00, NO FAULTS FOUND AND NO PREVIOUS HISTORY. ALL 3 ZONES HAVE FULL TEMPERATURE CONTROLLABILITY. OK FOR SERVICE.
LEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED NOTED DURING PREFLIGHT. ACFT GROUNDED. NO HISTORY OF FAULT LAST 60 DAYS LT FWD WINDOW HEAT OPS & BITE CHECKED GOOD REF MM 20-41-00. GROUND VERIFICATION CK GOOD.
ON MASTER RECALL WITH AFTER START CHECKLIST CONT CAB ZONE TEMP ILLUMUNATED. EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE CHECK OF NR 2 PACK CONTROLLER FAILS FLT DECK TRIM VALVE. REPLACED CONTROL COMPARTMENT TRIM AIR MODULATING VALVE IAW AMM 21-61-21. PERFORMED ZONE TEMP CONTROL BITE TEST IAW AMM 21-61-00. OPS CHECK GOOD.
PWS FAIL ANNUNCIATOR ON ND DISPLAYS AFTER TAKEOFF. EXTINGUISHED ON CLIMB THROUGH 6300. INTERMITTENT FAULT IAW FIM 34-43 TASK 815. WX RADAR TEST NORMAL IAW MM 34-43-00.
RT PACK LIGHT CAME ON DURING LANDING CHECKLIST. RESET WITH MASTER CAUTION. REPLACED THE RT PACK PRIMARY TEMP CONTROL VALVE ASSY REF MM 21-51-10-400. BITE AND OPS CHECKED GOOD. NO LEAKAGE FOUND.
RT PACK LIGHT ILLUMINATED ON RECALL AFTER ENGINE START. LIGHT RESET WITH MASTER CAUTION. NR 2 PACK TEMP CONTROLLER NO LOGGED FAULTS. BITE CHECK GOOD REF FIM 21-62-801.
RT PACK LIGHT IS ILLUMINATED DURING RECALL. VERIFIED FAULT ON RT PACK TEMP CONT. R & R RT TEMP CONTROL VALVE REF MM 21-51-10-400-801. OPS & LK CHECKED GOOD.
RT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. ACFT GROUNDED. NR 2 PACK TEMP. CONTROLLER LOGGED TCV FAULT LAST FLT NO HISTORY LAST 30 DAYS PERFORMED FIM 21-620 TASK 831 TCV FAULT RESET. PERFORMED TEMP CONTROLLER BITE CHECKED IAW FIM 21-62-801. NO FAULTS. GROUND FUNCTIONAL TEST PASSED.
DURING EMERGENCY LIGHTS OP CHECK, FOUND OUTSIDE FWD OVERWING EXIT LIGHT INOPERATIVE. REPLACED LAMP, REF MM 33-51-04. OPS NORMAL.
APU MX LIGHT ILLUMINATED. CHECKED CDU FOUND APU LOW OIL FAULT 49-91227. SERVICED APU TO FULL 1QT. FOUND APU OIL LEAK ONE DROP PER. ALSO FOUND FWD INBD BOWL INDICATION PIN POPPED SHOWING RED. REPLACED STARTER GENERATOR FILTER AND LUBE FILTER, AND RESET DELTA P ON MAGNETIC DRAIN PLUG, REF MM 49-91-12, AND 49-91-13. REPLACED STARTER GENERATOR IAW MM 49-41-21 LEAKS AND OPS CHECKS GOOD.
CENTER TANK LT BOOST PUMP LOW PRESSURE LIGHT ON. REPLACED LT CENTER TANK BOOST PUMP REF MM 28-22-41. OPS AND LEAK CHECKED GOOD.
L-2 DOOR IS STIFF & HARD TO OPEN. UPON ARRIVAL FOUND L-2 DOOR HANDLE EXTREMELY DIFFICULT TO MOVE TOWARDS OPEN OR CLOSED POSITION & DOOR, ONCE OPENED WOULD JAM TO STOP AT MID OPEN BLOCKING DOOR EGRESS. ISOLATED LWR HINGE ARM AS SOURCE OF DOOR STIFFNESS DUE TO LACK OF LUBRICATION. REMOVED LWR DOOR ASSY TORQUE TUBE SLEEVE TO FACILITATE LUBRICATION. LUBRICATED L-2 DOOR AND REINSTALLED LWR DOOR ASSY TORQUE TUBE SLEEVE REF. AMM 52-13-11-400-802 & AMM 12-25-12. LWR TORQUE TUBE ADJUSTER NUT BROKEN LOOSE AND REINSTALLED WITH NO ADJUSTMENTS MADE REF AMM 52-13-00-820-801. REINSTALLED L-2 DOOR REF AMM 52-13-00-400-802. PERFORMED AFT ENTRY DOOR ADJ REF AMM 52-13-00-820-801. ALL DOOR RIG ADJ WITHIN LIMITS. PERFORMED AFT ENTRY DOOR SYS TEST REF AMM 52-13-00-700-805. TEST PASSED. DOOR OPS CHECK GOOD.
LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ON. FOUND WINDOW HEAT CIRCUIT BREAKER P-6-12 B-9 OUT. RESET CIRCUIT BREAKER IAW AMM 20-60-01, NO DEFECTS NOTED. ACCOMPLISHED WINDOW HEAT, OPS TEST IAW AMM 30-41-00-710-810. OPS CHECKED GOOD. ACFT OK FOR SERVICE.
AISLE EMERGENCY LIGHT ON RT SIDE ROW 17 DEF, MID CABIN IS INOPERATIVE. REPAIRED BROKEN WIRE, PIN A CONNECT D15238. REF SWPM 20-63-02.