N771UA

Part: ENGINE — UNKNOWN (UNKNOWN) · airframe 98,394 hrs · 17,619 cycles

ON INITIAL TAKEOFF ROLL USING A-T, AT ABOUT MID POWER RANGE, THE RIGHT ENGINE FAILED TO CONTINUE TO ACCEL AND CREW HEARD COMPRES SOR STALL INCL WHITE EXAUST FUMES DURING FAILURE. THEY REPORTED NO ENGINE EXCEEDANCES. STATUS PAGE SHOWS "ENG CONTROL R" AND "EN G EEC C1 R". EXTERNAL VISUAL CHECK AT TAILPIPE SURROUNDINGS SHOW S EVIDENCE OF FAILURE AND OR OVERHEAT. PICS TO FOLLOW. ATTACHED PHOTO OF RIGHT SIDE PYLON HEAT DAMAGE NUMBER 2 ENGINE. PICS OF MAT FAILURE MESSAGES INCL INITIAL OPENED T/R AND FOUND DEBRIS FALLING DOWN. REF FIM 71-05 TASK 819 C (14), REMOVED BORO PLUG AP-2, AP-5 AND CRANK PAD COVER FOR INSPECTION. ENG #2 ESN 777043- BOROSCOPED HPC STG 5, 6,10 PER AMM THIS LOG PAGE IS SDR REPORTABLE ITEM, ESFR FILING IS REQUIRED. L 72-00-00-290-823-N01- FOUND CATASTROPHIC INTERNAL DAMAGE TO ALL OG PAGE 4796536 IS CREATED FOR ESFR REPORTING. STAGES AND VANES. UNABLE TO ROTATE HPC. RVI PICS UPLOADED

Part: SKIN — DAMAGED (FWD CARGO DR) · airframe 98,382 hrs · 17,617 cycles

FWD CARGO DOOR EXTERIOR SKIN EXTERIOR SKIN AFT LOWER CORNER FND EXISTING REINFORCING REPAIR REF HAECO NON-ROUTINE NO.9459761 - ORIGINATED BY EMP V905019, EA 5100-02345 REV E OP019. PERFORMED BY EMP V905019, RII BY EMP V902615, FWD CARGO DOOR EXTERIOR SKIN AFTER LOWER CORNER REPAIR DOUBLER RE-DO AS PER SRM 52-30-01-2R REPAIR 17 FIG 202 SHT 2 REV.92, THIS REPAIR IS A PERMANENT CATEGORY A REPAIR.

Part: BATTERY — FAILED (R4 DOOR) · airframe 98,382 hrs · 17,617 cycles

WHEN CARRY OUT EMERGENCY LIGHT POWER SUPPLY CAPACITY CHECK FOUND R4 DOOR M33408 POWER PACK FAILED REF HAECO NR NO.9459678 - ORIGINATED BY EMP V903179, SPEC NO.B777-33-3-7019. PERFORMED BY EMP V903179, IDT BY EMP V903189, R4 DOOR M33408 BATTERY PACK REPLACED AND OP TEST FOUND NORMAL REF AMM 33-51-06- 960-802 REV.98.

Part: BATTERY — FAILED (L2 DOOR) · airframe 98,382 hrs · 17,617 cycles

WHEN CARRY OUT EMERGENCY LIGHT POWER SUPPLY CAPACITY CHECK FOUND L2 DOOR M33096 POWER PACK FAILED REF HAECO NR NO.9459677 - ORIGINATED BY EMP V903179, SPEC NO.B777-33-3-7019. PERFORMED BY EMP V903179, IDT BY EMP V903189, L2 DOOR M33096 BATTERY PACK REPLACED AND OP TEST FOUND NORMAL REF AMM 33-51-06- 960-802 REV.98.

Part: BATTERY — FAILED (L1 DOOR) · airframe 98,382 hrs · 17,617 cycles

WHEN CARRY OUT EMERGENCY LIGHT POWER SUPPLY CAPACITY CHECK FOUND L1 DOOR M33093 POWER PACK FAILED REF HAECO NR NO. 9459676 - ORIGINATED BY EMP V903179, SPEC NO.B777-33-3-7019. PERFORMED BY EMP V903179, IDT BY EMP V903189, L1 DOOR M33093 BATTERY PACK REPLACED AND OP TEST FOUND NORMAL REF AMM 33-51-06- 960-802 REV.98.

Part: EPAS — INOPERATIVE (DOOR 4R) · airframe 95,687 hrs · 16,919 cycles

EMERGENCY POWER ASSIST SYSTEM (EPAS) RESERVOIR INSTALLATION - DOOR 4R FAILED OPS CHK AMM 52-11-20-700-812. AMBER LIGHT DOES NOT ILLUMINATE. DOOR 4 RT IS CONSIDERED INOPERATIVE AND NOT TO BE USED. ALL CABIN AREA REF MEL ITEM 5211L FOR BLOCKED SEATS. EXIT SIGNS HAVE STORAGE AND WILL BE REPOSITIONED WITH NO PAX ONBOARD AND WILL OUT. TROUBLE SHOOTING INFO WILL BE UPDATED LATER. VERIFIED DOOR AND VENT IS CLOSED FOR 4R. DOOR INDICATION ON ACFT DO NOT HAVE A MEMO FOR ARMED INDICATION. OTHER DOORS OPERATE NORMALLY. YELLOW BARRIAR TAPE APPLIED TO AFT BEEN COVERED WITH THE SAME TAPE. NOTE - THIS ACFT IS EXITING VCV OVERNIGHT FOR 52 HRS AT NEXT STA WHERE REPAIRS WILL BE CARRIED EICAS IS NOT AFFECTED (SHOWS CLOSED ON DOOR PAGE) A AND B MARKET NOC DESK: 777 NAME: AS DATE: 26-MAY-22- DOOR AR 4R INOP DUE TO EPAS INOP DR 4R WOULD NOT PASS THE EPAS AMBER LIGHT TEST AMM 52-11-20-700-812. TRIED SERVICABLE EPAS BATTERY PACK, NO HELP. REINSTALLED PREVIOUSLY REMOVED PACK. RANG WIRES OUT REF WDM 52-11-13, SUSPECT BAD DR OPEN SWITCH S52125 M&E 25-5211-3-0182. SLIDE NEEDS TO BE REMOVED FOR ACCESS FOR SWITCH INSTALLATION, AMM 52-11-28-000-802. PINNED DOOR 4 RIGHT WITH A PIN & B PIN. SLAVED DOOR OPEN SWITCH IN PLACE ON DOOR 4, RAN TEST AND TEST PASSED. I BELEAVE DOOR INSTALLED DOOR OPEN SWITCH S52125 ON DOOR 4R REF. B777 AMM 52-11-28-000-802 OPS CHECKED S52125 REF. B777 AMM 52-11-20-700-812 OPS CHECK GOOD AT THIS TIME REMOVED ALL TAPE AND PLACARDS PUSHED IN CIRCUIT BREA

Part: LENS — CRACKED (EMERGENCY LIGHT) · airframe 95,660 hrs · 16,912 cycles

EMER LIGHT CHECK FOUND DOOR1 CTR PARTITION BOTH SIDE EMERGENCY LIGHT CRACK(TOTAL:2EA),REFER HAECO NON-ROTINELP:9449103,SPEC NO. B777-33-3-7030. PERFORMED BY EMP:V905449,REPLACED THE DOOR 1 CTR PARTITION BOTH SIDE EMERGENCY LIGHT ASSY AND PERFORM THE LIGHT TEST FOUND NORMA L REF AMM 33-51-05-960-802 REV.92A. IDI BY TA607(V905400)

Part: CONNECTOR — CRACKED (EMERGENCY LIGHT) · airframe 95,660 hrs · 16,912 cycles

EMER LIGHT OPERATION CHECK FOUND 45DG EMER LIGHT CONNECTOR CRACK REFER HAECO NON-ROUTINE LP:9451299,ORIGINATED BY EMP:V905449,SPE C NO.B777-33-3-7030. PERFORMED BY EMP:V905449,REPLACED THE 45DG EMERGENCY LIGHT CONNE CTOR AND PERFORMED EMERGENCY LIGHT OPERATION TEST FOUND NORMAL, REF AMM 33-51-00-710-801 REV.92A.

Part: LENS — CRACKED (EMERGENCY LIGHT) · airframe 95,660 hrs · 16,912 cycles

EMERGENCY LIGHT CHECK FOUND DOOR 4 CTR PARTITION 4EA EMERGENCY LGIHT CRACKED,REFER HAECO NON-ROUTINE LP:9449104,ORIGINATED BY EMP:905449,SPEC NO.B777-33-3-7030. PERFORMED BY EMP:V905400,REPLACED THE DOOR 4 CTR PARTITION 4EA EMERGENCY LIGHT ASSY AND PERFORM THE LIGHT TEST FOUND NORMAL REF AMM 33-51-05-960-802 REV.92A. IDI BY TA408

Part: LAMP — BURNED OUT (EMERGENCY LIGHT) · airframe 95,660 hrs · 16,912 cycles

EMERGENCY LIGHT TEST FOUND R1 DOOR EXTERNAL EMER LIGHT INOP,REFE R HAECO NON-ROUTINE LP:9446986,ORIGINATED BY EMP:V905449,SPEC NO B777-33-3-7015. PERFORMED BY EMP:V905400,REPLACED THE R1 DOOR EXTERNAL EMER LIGH T BULB AND PERFORM THE LIGHT TEST FOUND NORMAL REF AMM 33-51-04- 400-803 REV.92A. IDI BY TA408

Part: LENS — CRACKED (EMERGENCY LIGHT) · airframe 95,660 hrs · 16,912 cycles

EMERGENCY LIGHT TEST FOUND 2G SEAT EMERGENCY LIGHT LEN CRACK, REFER HAECO NON-ROUTINE LP:9447269, REPLACED THE 2G SEAT EMERGENCY LIGHT ASSY AND PERFORMED THE LIGHT TEST FOUND NORMAL REF AMM 33-51-05- 960-802 REV.92A.

Part: HEAT EXCHANGER — INOPERATIVE (NR 1 ENG OIL) · airframe 94,713 hrs · 16,706 cycles

HIGH OIL PRES REPORTED IN ERROR ACTUAL EVENT WAS HIGH OIL TEMP LEFT SEE LP 3920615 FOR WORK PERFORMED. FUEL/OIL COOLER REPLACED, ALL OPS OK

Part: HEAT EXCHANGER — INOPERATIVE (NR 1 ENG OIL) · airframe 94,675 hrs · 16,695 cycles

2471-1 ESN 777036. DUE TO REPORTS OF HIGH OIL TEMP AND PPE REVIEW OF QAR DATA PPE REQUESTS MINIMUM WORK TO BE ACCOMPLISHED IS REPLACEMENT OF THE FUEL COOLED OIL COOLER (FCOC) PRIOR TO FLIGHT. M&E 27-7921-9-0002 PER AMM 79-21-01 R+R # 1 ENG FUEL OIL HEAT EXCHANGER REF AMM 79-21-01 PERFORMED IDLE LEAK CK ,IDLE CK GOOD.NEED TO PERFORM HIGH POWER CK DUE TO WRITE UP. ADD EMP:U177175,U159910 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1956142 SN OFF 3087 EXCHANGER, F/O OFF 27-7921-9-0002 3087 ON 27-7921-9-0002 6713 COMPLIED WITH TEST 3,6,17 PER MM 71-00-00. OIL TEMPS AND REST OF ENGINE INDICATIONS WITHIN LIMITS. L&R ENGINES MATCHED INDICATIO NS TOO

Part: PRESSURE DECK — CRACKED (FUSELAGE) · airframe 90,234 hrs · 15,769 cycles

HORIZONTAL PRESSURE DECK WEB 3 EA CRACK FOUND BETWEEN STA1287 LBL18.3 AND 25.7. HORIZONTAL PRESSURE DECK WEB REPAIRED AS PER EA5300-01502 REV A OP002 AND ECRA:5311-02002 REV -.

Part: FITTING — CRACKED (LT ELEVATOR) · airframe 90,234 hrs · 15,769 cycles

LT ELEVATOR O/B ACTUATOR FITTING LOCATION ''E'' FOUND CRACK APPROX 5/16" IN LENGTH. ACCOMPLISHED EA 5510-01896 REV C OP 016.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 90,234 hrs · 15,769 cycles

CABIN LAV 3F-RC 4EA FLOOR PROXIMITY LIGHT FOUND DIM M33404. BATTERY PACK REPLACED AND LAV 3F-RC 4EA FLOOR PROXIMITY LT TESTED NORMAL AS PER AMM 33-51-00.

Part: PRESSURE DECK — CRACKED (FUSELAGE) · airframe 90,234 hrs · 15,769 cycles

SUPPORT TASK AD2001-18-09 EA5300-01502 REV A HORIZONTAL PRESSURE DECK WEB,1EA CRACK FOUND BETWEEN STA1287 RBL 25.7 AND 33. PRESSURE DECK REPAIRED AS PER EA5300-01502 REV A OP002.

Part: PRESSURE DECK — CRACKED (FUSELAGE) · airframe 90,234 hrs · 15,769 cycles

SUPPORT TASK AD2001-18-09 EA5300-01502 REV A HORIZONTAL PRESSURE DECK WEB, 1EA CRACK FOUND BETWEEN STA1287 RBL 18.3 AND 25.7. PRESSURE DECK REPAIRED AS PER EA5300-01502 REV A OP002.

Part: PRESSURE DECK — CRACKED (FUSELAGE) · airframe 90,234 hrs · 15,769 cycles

SUPPORT TASK AD2001-18-09 EA5300-01502 REV A HORIZONTAL PRESSURE DECK WEB, 1EA CRACK FOUND BETWEEN STA1287 LBL 25.7 AND 33.PRESSURE DECK REPAIRED AS PER EA5300-01502 REV A OP 002.

Part: DUCT — FAILED (LT RAM AIR) · airframe 89,198 hrs · 15,583 cycles

FOUND THE LT RAM AIR INLET DUCTING HAD BLOWN APART. . FOUND EXCESS DEBRIS IN HEAT EXCHANGER AND RAM AIR INLET PLENUM DAMAGED, INSTALLED A NEW LT PACK RAM AIR INLET DUCT IAW MM 21-52-22.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 86,018 hrs · 14,939 cycles

EMERGENCY LIGHT LAMP OUTSIDE DOOR 2R IS BURNED OUT. REMOVED AND REPLACED LAMP IAW AMM 33-51-04.

Part: FLASHLIGHT — NO TEST (CABIN) · airframe 85,569 hrs · 14,853 cycles

ONE FLASHLIGHT AT THE L1 DOOR WILL NOT TEST PROPERLY. RESET THE FLASHLIGHT. GOOD FOR SERVICE

Part: OVEN — CONTAMINATED (GALLEY) · airframe 83,485 hrs · 14,449 cycles

DUE TO STRONG ODOR REPORTED IN AFT CABIN AFTER TAKE OFF, ACCOMPLISH AN OPERATIONAL CONFIRMATION FLIGHT TO VERIFY NO DISCREPENCIES. RAN ENGINES AT HIGH POWR, ALL NORMAL, NO ODORS. PULLED ALL OVENS, COFFEEMAKERS AND CEILING PANELS OUT OF AFT GALLEY NO DEFECTS. FOUND SAUCE RESIDUE IN AFT GALLEY WARMING OVENS. CHECKED ALL LAVS PULLED GARBAGE CANS LIG HTS BALLASTS NO FAULTS.

Part: UNKNOWN — ODOR (CABIN) · airframe 83,481 hrs · 14,448 cycles

CREW REPORTS A STRONG ELECTRICAL ODOR IN AREA OF 46 E-D DOWN BY FLOOR AREA AND IN ROW 45 ALSO NEAR FLOOR. FA ATTEMPTED TO ISOLATE IFE. FA ALSO NOTED GRINDING NOISE IN VICINITY OF 4L ON TAKE OFF. ACP TSM 21-00 TASK 807-808 AND AMM 05-51-50 ALSO CHECKED L4 DOOR HEATER, PASSED TEST AND MAP REPORTED NO FAULTS IN SYSTEM. CHECKED SEATS IN ROW 45,GED, ALL ELECTRIC FUNCTIONS OK, CHECKED AFT GALLEY OVENS AND HEATERS, OK

Part: ENGINE — MAKING METAL (NR 1) · airframe 78,764 hrs · 13,979 cycles

ON DESCENT, APPROX 20,000 FT EICAS CAUTION SOUNDED, INDICATING LOW OIL PRESS ON LT ENG. OIL QTY INDICATION READ ZERO. ENG 1 SHUTDOWN & EMER DECLARED. DRAINED 5 QTS REMAINING OIL FROM GEARBOX. NO DEBRIS FOUND ON THE CD`S. OIL FILTERS REPLACED & ALSO PULLED CHIP DETECTORS NO METAL NOTED. DURING WALK AROUND FOUND FINE METAL PARTIALS IN EXHAUST AREA. ENG CHANGE SCHEDULED.

Part: FAN — FAULTY (CABIN) · airframe 78,759 hrs · 13,796 cycles

STRONG ELEC ODOR & ASSOCIATED HAZE THROUGHOUT CABIN. RECIRC FAN SELECTED OFF BY CREW & SMOKE HAZE DISSIPATED. ACFT DOWNLINKED LOWER RECIRC FAN LT, FAULT MSG 21-24600. BOTH RECIRC FAN SWITCHES WERE SELECTED OFF BY CREW. CONFIRMED THE LOWER LT RECIRC FAN WAS AT FAULT. R & R LT LOWER RECIRC FAN IAW AMM 21-25-07.

Part: SEAL — LOOSE (LT COWLING) · airframe 74,411 hrs · 13,214 cycles

PAX NOTICED SEAL LOOSE & PROTRUDING FROM LT ENG COWLING. RESEATED SEAL & CREATED CF ITEM FOR MISSING PAINT ON LT ENG INBD THRUST REVERSER SLEEVE.

Part: YOKE — WORN (LT FLAPERON) · airframe 73,519 hrs · 13,087 cycles

LT FLAPERON REPLACEMENT OTBD ACTUATOR YOKE ASSEMBLY HAS INTERNAL COATING WORN AND MISSING CAUSING EXCESSIVE PLAY IN YOKE. INSTALLED YOKE ASSEMBLY INTO SUPPORT STRUCTURE IAW AMM 27-11-12.

Part: SENSOR — FAILED (BLEED AIR SYS) · airframe 73,353 hrs · 13,065 cycles

MAIN PRESS SENSOR RT ENG BLEED PRESS SENSOR FAILED. STATUS DEF IAW MEL.

Part: BATTERY — MALFUNCTIONED (NR 2) · airframe 73,314 hrs · 13,060 cycles

APU BATTERY & APU BATTERY OVERHEAT STATUS MESSAGES DISPLAYED WITH ODOR IN AFT CABIN. APU BATTERY & CHARGER IAW AMM 24-31-05 & 24-31-06, TESTS PASSED & MESSAGES CLEARED.

Part: GUARD — BROKEN (CABIN) · airframe 73,233 hrs · 13,050 cycles

EVAC COMMAND BUTTON GUARD AT DOOR 4R IS BROKEN. REPLACED SWITCH GUARD.

Part: DUCT — RUPTURED (FLT DECK TRIM AI) · airframe 73,155 hrs · 13,039 cycles

FLT DECK & AFT CARGO TEMPS UNCONTROLLABLE IN BOTH AUTO & MANUAL. FOUND FLT DECK TRIM AIR DUCT RUPTURED. REPLACED DUCT. LEAK CHECKED, NO LEAKS NOTED. ACCOMPLISHED OPS CHECK OF TRIM AIR IAW 21-61-00. TEMP CONTROL IN FLT DECK NORMAL.

Part: WIRE HARNESS — DAMAGED (FIRE LOOP) · airframe 72,726 hrs · 12,979 cycles

NR 2 ENG FIRE LOOP WIRE REPAIRED IAW SWPM 20-10-13. REPLACED FIRE LOOP WIRING HARNESS W0656.

Part: OXYGEN MASK — FAULTY (COCKPIT) · airframe 72,719 hrs · 12,977 cycles

FIRST OFFICER`S OXYGEN MASK MIC APPEARS INOPERATIVE. REPLACED MASK, OPERATIONS CHECKED NORMAL.

Part: CIRCUIT BREAKER — DEFECTIVE (CABIN) · airframe 72,523 hrs · 12,951 cycles

ENTERTAINMENT SYSTEM STILL HAS PROBLEMS, BURNT TERMINAL. DEBRIEFED CREW WAS TOLD FC IFE WORKED INTO ORD. WHEN INVESTIGATED FOUND FC IFE ALL POWER INOPERATIVE. AMCU NR 1 FAULT RED LRU LED LIGHT ON. ALL CB ON P210 & P-110 ASSOCIATED IN. FOUND AMCU NR 1 CB ON P110 PANEL PULLED. AFTER RESETTING CB ALL FC IFE FUNCTIONS OPERATIONS CHECKED OK. PERFORMED POWER SWAPS , STRESS TESTS & BITE. ALL OPERATIONS CHECKED NORMAL. REPLACED CB C23307 IN P110 PNL, IAW WDM 23-32-32 REPLACED CONN ON WIRE W3113-0228-16 AT CB C23307 IAW GPM 02-0-21-001 & SWP 20-30-11 DUE TO BURNT TERMINAL. OPERATIONS CHECKED NORMAL NO FAULTS.

Part: MODULE — FAULTY (NR 1) · airframe 72,326 hrs · 12,925 cycles

COULD NOT GET DATA ON CENTER RADIO. REPLACED M001 COMM MODULE IN LT AIMS CABINET.

Part: CHARGER — INOPERATIVE · airframe 71,930 hrs · 12,871 cycles

APU BATTERY CHARGER AND APU BATTERY MESSAGE AFTER APU BATTERY AND APU CHARGER REPLACEMENT.

Part: WARNING MESSAGE — ILLUMINATED (HYD SYSTEM) · airframe 71,452 hrs · 12,805 cycles

EICAS HYD PRESSURE PRI C2.

Part: DRIVE ASSY — FAILED (WX RADAR SYS) · airframe 71,428 hrs · 12,801 cycles

WEATHER RADAR SYS, DISPLAY IS NOT PRESENT WHEN WEATHER RADAR SELECTED ON EFIS CONTROL PANEL. REPLACED ANTENNA DRIVE UNIT IAW AMM, NO FAULTS.

Part: SEAL — MISSING (RH WING) · airframe 71,414 hrs · 12,799 cycles

ON EXTENSION OF FLAPS FOUND RT WING INNER FLAPERON OTBD SEAL MISSING. REPLACED MISSING SEAL.

Part: PUMP — MALFUNCTIONED (HYD SYSTEM) · airframe 71,252 hrs · 12,775 cycles

FAULT LIGHT INDICATED FOR ELECTRIC HYDRAULIC C2 PUMP. PUMP DEACTIVATED.

Part: RADOME — FAULTY (NOSE) · airframe 70,699 hrs · 12,699 cycles

RADAR STILL DISPLAYS PHANTOM RETURN AT 7 MIGRTR, RETURN WITH HIGHER TILT. REPLACED RADOME.

Part: ANTENNA — FAULTY (WX RADAR SYS) · airframe 70,691 hrs · 12,698 cycles

WEATHER RADAR SHOWS FALSE RETURNS AS AN ARC AT 7 NM FROM NOSE. BOTH SYS. ALL TILTS. R & R WEATHER RADAR ANTENNA IAW AMM 34-43-03.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 70,540 hrs · 12,678 cycles

SMOKE DETECTOR IN LAVATORY, GREEN LED DID NOT ILLUMINATE. CYCLED POWER OPS CHECKED GOOD, PASSED TEST.

Part: BLEED VALVE — FAILED (NR 1 ENGINE) · airframe 70,532 hrs · 12,677 cycles

NR 1 ENGINE 2.9 START BLEED. 2471-1. BLEED VALVE NOT IN COMMANDED. POS' AFTER ENGINE START. REPLACED VALVE. TESTED NORMAL.

Part: DATA UNIT — FAILED (SATCOM SYS) · airframe 70,336 hrs · 12,647 cycles

SATCOM SYS LEVEL 1 DUE TO CHRONIC HISTORY OF SATCOM SYSTEM STATUS MESSAGE WITH CMC MSG 23-68801, REPLACED SDU M23106 IAW AMM.

Part: COMPUTER — FAILED · airframe 70,071 hrs · 12,609 cycles

C ADFC EICAS MESSAGE, WOULD NOT RESET. REPLACED C AFDC IAW MM 22- 11-01, TEST PASSED ACFT FULL AUTOLAND CAPABLE.

Part: CONTROL PANEL — INOPERATIVE (RADIO SYS) · airframe 69,996 hrs · 12,598 cycles

CAPTAIN`S RADIO TUNING PANEL HAS HR RIGHT MICROPHONE SWITCH LIGHT INOPERATIVE. REPLACED CAPTAIN`S RADIO TUNING PANEL WITH SECOND OBSERVER PANEL.

Part: FAN — FAILED (RECIRCULATION) · airframe 69,632 hrs · 12,548 cycles

F/A DETECTED A FAINT ELECTRICAL ODOR THROUGHOUT ACFT. SEEMED STRONGER AFT AND ON THE RIGHT SIDE. TURNED OFF RECIRCULATION FANS AND ODOR ALMOST IMMEDIATELY WENT AWAY. FOUND LEFT LOWER RECIRCULATION FAN CIRCUIT BREAKER TRIPPED. REPLACED LEFT LOWER RECIRCULATION FAN. OPS CHECKED GOOD AND MESSAGE IS NOT EVIDENT.

Part: FAN — ODOR (NR 1) · airframe 69,732 hrs · 12,561 cycles

F/A SMELLED FAINT ELECTRICAL ODOR THROUGHOUT ACFT. IT SEEMED STRONGER AFT AND ON THE RIGHT SIDE TURNED OFF RECIRC FANS ODOR ALMOST IMMEDIATELY WENT AWAY. SUSPECT FAN PROBLEM. FOUND LEFT LOWER RECIRCULATION FAN C/B POPPED. CHECKED ALL GALLEY EQUIPMENT OVENS, COFFEMAKERS, CHILLERS, NO ELECTRICAL ODOR NOTED. DEFERRED LEFT LWR RECIRC FAN IAW MEL 2125A. REPLACED LEFT LOWER RECIRCULATION FAN; REF AMM. OPERATIONAL CHECK GOOD AND MESSAGE IS NOT EVIDENT.

Part: WIRE — SHORTED (SPAR VALVE) · airframe 69,403 hrs · 12,516 cycles

FUEL SPAR VALVE RT STATUS MESSAGE. TROUBLESHOT IAW WDM 28-22-25 AND FOUND RELAY K28222 ON P101 DIST INTEGRATION PANEL WORKING NORMAL. INSPECTED WIRING IAW WDM 28 -22-25 AND FOUND GROUND BETWEEN PIN 34 OF CONNECTOR D1304P ON P101 DISTRIBUTION PANEL AP0461 AND PIN 5 CONNECTOR DV28264. ACCOMPLISHED FURTHER TROUBLESHOOTING & FOUND WIRE 8460-1001-18 BETWEEN RT WING-STRUT DISCONNECT CONNECTOR D7274P PIN4 & R ENG FUEL SPAR VALVE CONNECTOR DV28264 PIN5 SHORTED TO GROUND & SHIELD. IAW WD 28-22-25 PG 4A. 129600 REMOVED DAMAGED WIRE, INSTALLED NEW WIRE & SHEILD TERMINATION. ACCOMPLISHED SPAR VALVE OPS CHECKS. ALL OPS & INDICATIONS NORMAL.

Part: UNKNOWN — MALFUNCTIONED (FUEL SYSTEM) · airframe 69,403 hrs · 12,516 cycles

FUEL SPAR VALVE R STATUS MSG 1HR PRIOR DEPT. RIGHT ENGINE SPAR VALVE CB POPPING, LHRMM ON SITE LOOKING FOR SHORT.

Part: CONTROLLER — FAULTY · airframe 69,381 hrs · 12,513 cycles

APU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. STATUS -FAULTED LUBE CLUSTER. REPLACEED APU LUBE CLUSTER PER MM. REPLACED LUBE CLUSTER. REPLACED APU CONTROLLER. MESSAGE WENT AWAY. MESSAGE RETURNED AT NEXT APU START. RAN TEST IN MAT. PASSED. RAN TEST PER AMM, PASSED CLEARED MESSAGE, OPS CHECK GOOD.

Part: APU — FAULTY · airframe 69,396 hrs · 12,515 cycles

APU APUC DETECTED FAULT THAT WOULD CAUSE AUTOMATIC SHUTDOWN OF APU IN UNATTENDED MODE OPERATION, OR COMPLETE LOSS OF APUC BUS ACTIVITY (BOTH L AND R 629) FOR 3 SECONDS AFTER THE APU MASTER CONTROL SWITCH HAS BEEN IN THE ON POSITION FOR TEN SECONDS.

Part: FIRE WARNING — FALSE ACTIVATION (CARGO BAY) · airframe 69,217 hrs · 12,487 cycles

STATUS MESSAGE DET FAN 2 CARGO FWD. PERFORM FIRE TEST NO MSG ON LWR MFD AND NO ACTIVE FAULTS IN MAT FOR DET FAN 2. SYSTEM CHKS OKAY.

Part: AMPLIFIER — FAULTY (SATCOM) · airframe 69,097 hrs · 12,471 cycles

SAT COMM NO DATA LINK. REPLACED SATCOM HGA FOR LOW GAIN SYSTEM BITE TEST OK, LOG-ON NORMAL.

Part: TRANSCEIVER — FAULTY (VHF COMM) · airframe 69,027 hrs · 12,461 cycles

UNABLE TO ESTABLISH ACARS LINK OR SELECT ACARS FREQUENCY. SATCOM VOICE AND HF OPERATE NORMAL. REPLACED CTR VHF TRANSCEIVER REF MM, ACP'D RESET OF L&R AIMS MOD 001, SYSTEM CHECKS OK, ACARS VHF FREQ STAYS IN PRIMARY. 131.55.

Part: TRANSCEIVER — FAULTY (HF COMM) · airframe 68,980 hrs · 12,455 cycles

HF LEFT INOPERATIVE. REPLACED LEFT HF TRANSCEIVER REF MM AND OP CHECKED GOOD AND CHECKED HF RADIOS ON PLANE WITH PILOT.

Part: AMPLIFIER — FAULTY (SAT COMM) · airframe 689,444 hrs · 12,451 cycles

SAT COM DATA LINK HI GAIN STATUS MSG. PCN 583-9201. SAT SYS TEST PASSED ON MAT BUT FAULTED- HIGH POWER AMPLIFIER FOR LOW GAIN ANTENNA. PER MEL PULLED AND COLLARED CB E21 ON P110 PANEL. REPLACED HIGH POWER AMP. REPLACED LT HF TRANSCEIVER REF MM 23-11-05 PG 401 AND OP CHECKED GOOD REF MM 23-11-00 PG50 1 AND ALSO CHECKED HF RADIOS ON PLANE WITH PILOT.

Part: CHARGER — FAULTY (APU) · airframe 68,140 hrs · 12,333 cycles

APU BATTERY CHARGER INOP. DEFERRED APU BATTERY CHARGER AS PER MEL 2431D, C-B PULLED & COLLARED, INFO CHARGER "CHARGES" CONSTANTLY. REPLACED BATTERY CHARGER.

Part: BATTERY — FAULTY (MAIN) · airframe 68,132 hrs · 12,332 cycles

MAIN BATTERY STATUS. REPLACED MAIN BATTERY AS PER AMM. 24-31-01 S/N OFF 1064A, S/N ON 3965. MESSAGE CLEARED ACFT OK FOR SERVICE.

Part: MODULE — FAULTY (COCKPIT) · airframe 68,063 hrs · 12,323 cycles

R FMC EICAS MSG DISPLAYED. REPLACED RIGHT AIMS M2 CPM-BASIC MODULE PER AMM AND RELOADED ALL APPROPRIATE SOFTWARE. OP CHECK OKAY.

Part: CONTROL PANEL — FAULTY (COCKPIT) · airframe 67,967 hrs · 12,307 cycles

MODE CONTROL PANEL LANE STATUS MESSAGE DISPLAYED. REPLACED MODE CONTROL PANEL.

Part: IDG — FAULTY (NR 2) · airframe 67,950 hrs · 12,305 cycles

CHAPTER 24 MAINT SYN PAGE SHOWS RIGHT IDG FILTER * BLOCKED *. DELTA P IS POPPED ON IDG. REPLACED NR 2 IDG, LEAK, OPS CHECKED, DISCONNECTED & RECONNECTED IDG.

Part: CONTROLLER — FAULTY (NR 2) · airframe 67,928 hrs · 12,300 cycles

OPIC RA2 +OPIC RA1 STATUS MESSAGE. REPLACED RIGHT OPBC. RA2 FAULT CLEARED. SEE DF801 FOR RA1 FAULT.

Part: MODULE — FAULTY (COCKPIT) · airframe 67,920 hrs · 12,299 cycles

AIMS AND AIMS DISPLAY INTERFACE STATUS MSGS ON ARRIVAL. AFTER ACCOMPLISHMENT OF EG7378 FOUND RT AIMS M002 AT FAULT. REPLACED REF MM31-41-01 PG401. BOTH MSGS ERASED AND NOT ACTIVE.

Part: GCU — FAILED (RT GENERATOR) · airframe 67,920 hrs · 12,299 cycles

RIGHT GENERATOR STATUS MESSAGE DISPLAYED AFTER PUSHBACK. RESET ONE TIME BUT MESSAGE CAME BACK. REPLACED RT GCU. ALL LATCHED AND STATUS MESSAGES ERASED.

Part: COMPUTER — FAILED (COCKPIT) · airframe 67,920 hrs · 12,299 cycles

SAARU FAILURE, INERTIAL REFERENCE FAILURE, AIR DATA FAILURE OR TOTAL FAILURE OF THE LRU OR AIRPLANE TYPE MISCOMPARE. FOUND SAARU AT FAULT MSG 34-30700 HARD DEFAULTED TO SAARU AND REPLACED AND LOADED SOFTWARE, ALL OPS CHECKS SATISFACTORY.

Part: GCU — FAULTY (RT ENGINE) · airframe 67,920 hrs · 12,299 cycles

RT ENGINE IDG SHOWS ON MAINTENANCE SYNOPTIC BLOCKED FILTER. SERVICED IDG TO FULL, CHECKED DELTA P INDICATOR FOUND SET. MAT DEFAULTED TO RT GCU. REPLACED RT GCU AND OPERATED ENGINE, ALL OPS CHECKED SATIS.

Part: CIRCUIT CARD — FAULTY (NR 1) · airframe 67,920 hrs · 12,299 cycles

OPIC RA1 OPIC RA2 ON STATUS PG HARD FAULTS ON MAT. ITEMS CORROLATE TO DISPLAY INTERFACE AND AIMS STATUS MSGS. REPLACED OPIC CARDS RA1 AND RA2. MSG 23-92020 NOT ACTIVE AND MSGS AIMS AND DISPLAY INTERFACE ERASED. REPLACEMENT OF RT OPBC CARDS RA1 AND RA2 CLEARED ALL CORROLATED MSGS AND STATUS

Part: BATTERY — INOPERATIVE (FLT CONTROL) · airframe 67,920 hrs · 12,299 cycles

FLIGHT CONTROL BATTERY INOPERATIVE. REPLACED BATTERY ASSY.

Part: AMU — NO TEST (COCKPIT) · airframe 67,878 hrs · 12,293 cycles

F/O MASK DOES NOT TEST ON INTERPHONE. REPLACED AUDIO MANAGEMENT UNIT PER AMM, TEST OKAY.

Part: STRUCTURE — LEAKING (FUSELAGE) · airframe 67,878 hrs · 12,293 cycles

CREW REPORT HIGH PITCH CONSTANT WHINE IN GENERAL AREA OF DOOR 3 L-R. THE NOISE WENT AWAY DURING DESCENT. DF794 SATCOM COOLING FAN DEFERRED AS POSSIBLE CAUSE BUT NOISE IS STILL PRESENT ON NEXT FLIGHT AFTER DEACTIVATION. SEE CH3599 OPBLM. PRESSURIZED CABIN PER MM AND FOUND SATCOM ANTENNA TO BE LEAKING AROUND PERIPHERY AND AROUND FASTENERS. ACCOMP CLOSE VISUAL INSPECTION SATCOM ANTENNA FOUND TO BE LEAKING PROFUSELY DURING PRESSURIZATION CK.

Part: WIRE — CHAFED (FUSELAGE) · airframe 67,759 hrs · 12,276 cycles

DAMAGED WIRES LOCATED IN THE CABIN BELOW THE STOW BIN BS 697 RT SIDE. WIRES FOUND BURNED AND SEVERED. WIRES CHAFED ON A CUTOUT ON A REINFORCEMENT PANEL WHICH IS PART OF THE STOWBIN END CAP STRUCTURE. REPLACED WIRES W6163-0141, 0143, 0144, 0145, REF SWPM 20-10-13 WDM 23-33-32 HOOK UP CHART MM 23-33-02-401. INSTALLED CATERPILLAR CHAFE PROTECTION ON CUTOUT, SECURED WIRE BUNDLES IN SLEEVING AND CLAMPED, OPS CHECKED WUZ8956N & JC'S.

Part: CONTROL PANEL — WARNING MESSAGE (AUTO PILOT) · airframe 67,738 hrs · 12,272 cycles

MODE CONTROL PANEL FAULT MESSAGE. REMOVED MODE CONTROL PANEL, INSTALLED NEW PERFORMED TEST PER MM.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 66,469 hrs · 12,087 cycles

FOUND CIRCUIT BREAKER H9 EMERGENCY LIGHT 1L ON P11 OVERHEAD PANEL POPPED, RESET NO HELP. REPLACED POWER SUPPLY M33093 AT DOOR 1L AND WDM33-51-13 P2, OPS NORMAL.

Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 66,471 hrs · 12,088 cycles

EMERGENCY LIGHT ABOVE SEAT 24G MISSING LENS. REPLACED LENS AND LAMP, OPS NORMAL.

Part: MANIFOLD — FAULTY (LT EEC) · airframe 66,332 hrs · 12,065 cycles

ENG EEC MODE L LEFT ENGINE ELECTRONIC ENGINE CONTROL (EEC) IS IN THE ALTERNATE CONTROL MODE (EITHER BY DEFAULT DUE TO A CONTROL FAILURE OR MANUALLY SELECTED BY THE FLIGHT CREW). ADVISORY MSG01- NOT ACTIVE INITIAL CLIMB MODE DEPENDENT; ENG PRESS RATIO (EPR) (L ENG) P4.95 MANIFOLD IS BLOCKED OR LEAKING. DB- ELECTRONIC ENGINE CONTROL (L ENG, CH B) MSG-7761121 INACTV IC MODE. FOUND A P4.95 PROBES COLLECTING TUBE AT 6'CLOCK POSITION CRACKED (TUBE UPPER SIDE). REF IPC 77-11-01-002 ITEM 207 (NOT CONFIRMED). MEL PROCEDURES DONE. -INF- :IPC REF 77-11-00-002 ITEM 120. PARTS: 223-1036 51U551-01 (MANIFOLD AY). REPLACED SENSE LINE PER A MM77-11-02 AND TEST PER AMM 71-00-00 TEST 6. NO FAULTS.

Part: HOSE — BROKEN (DRAIN MAST) · airframe 66,264 hrs · 12,055 cycles

WATER AND ICE FOUND IN FWD CARGO PIT BELLY, UPON INSPECTING FOUND DRAIN LINE WITH HOLE FOR FWD DRAIN MAST SYSTEM. DF FWD DRAIN MAST IAW MEL. PCN 192-1608 IT4354-458. HOSE ASSY. DUE TO CREW REFUSAL OF AIRCRAFT WITH DF680, DF683. REMOVED BROKEN HOSE IN DRAIN LINE JUST UPSTREAM OF FORWARD DRAIN MAST FOR REPLACEMENT. RPLC'D HOSE IN DRAIN LINE. OPS OKAY.

Part: WIRE — BURNED (CARGO BAY) · airframe 66,134 hrs · 12,034 cycles

WIRE BUNDLE FOUND BURNT WITH BARE WIRES IN AFT BULK CARGO PIT AT STA 1640, 1 FOOT LEFT OF CENTER UNDER FLOOR PANELS. CIRCUIT BREAKERS B1, B2, B3, B4 AND B5 POPPED ON P39 PANEL. LOCATED IN AFT CARGO NOT BULK CARGO. INSTALLED NEW WIRES AT D0 7318P PINS 1 THRU 15 AND ROUTED TO PRODUCTION SPLICE AREA REF WD M25-53-26&27. INSTALLED NEW WIRES AT D07330P PINS 12,16,18,AND 23.

Part: HEAT SHIELD — WORN (RT PYLON) · airframe 65,993 hrs · 12,013 cycles

HEAT SHIELDS 2, 3, 4 ,5 FROM RT PYLON OUT OF WEAR LIMITS. NR 1 & 2 ENG HEAT SHIELDS WORN BEYOND LIMITS. HAVE 1 EA SET IN DEN WITHOUT SERVICEABLE TAGS- WORKING WITH ORD TO GET SERVICEABLE TAGS. SECOND SET OF HEAT SHIELDS ON U2780, E2401, V2805, E2412.

Part: IDG — MALFUNCTIONED (LT ENGINE) · airframe 65,194 hrs · 11,898 cycles

ELEC GEN DRIVE L LEFT IDG FAULT (LOW INTERNAL OIL PRESSURE). ADVISORY SAMC TEXT: NEED TO REPLACE THE NR 1 IDG PER MM. MSG-2431551 LATCHD ER MODE. LT IDG RPL PER AMM.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 65,120 hrs · 11,888 cycles

RIGHT SIDE OF CABIN EMERGENCY LIGHT ROW 17 TO ROW 26 INOPERATIVE. REPLACED POWER SUPPLY M33404 ABOVE DOOR 3R, TESTED GOOD. OPS CHECKED GOOD.

Part: HEAT EXCHANGER — NO TEST (BACK UP GEN) · airframe 64,950 hrs · 11,864 cycles

TEST FAILED WITH MESSAGE 24-47622 BACKUP GEN AIR-OIL HEAT EXCHANGER AND VALVE (RT ENGINE) DOES NOT FOLLOW COMMAND. MAINTENANCE MESSAGE 24-47 622.

Part: DRIVE UNIT — FAULTY (WEATHER RADAR) · airframe 64,650 hrs · 11,821 cycles

UNCOMMANDED A-P DISCONNECT 5 HOURS 45 MINUTES AFTER T/O. FL400 MACH .83. REPLACED WX DRIVE UNIT, MAINT MSG 34-44032. ACCOMPLISHED FULL CAT 3 TEST PASSED.

Part: VALVE — FAULTY (AC PACK) · airframe 64,309 hrs · 11,772 cycles

STATUS MSG ON EICAS--CON TEMP SENSOR R. FAULTS 21-23402 LOW LIMIT VALVE ON MAT. NEEDS VALVE ASSY (PARTS: 646-0017 MR21562 VALVE AY). REPLACED- :RIGHT PACK LOW LIMIT VALVE IAW AMM, OPS CHECK NORMAL.

Part: PBE — DAMAGED (R4 DOOR) · airframe 64,035 hrs · 11,733 cycles

PBE SOFT AT DOOR 4R. REPLACED PBE.

Part: PBE — DAMAGED (R3 DOOR) · airframe 64,035 hrs · 11,733 cycles

PBE SOFT AT DOOR 3R. REPLACED PBE.

Part: OXYGEN BOTTLE — DISCHARGED (L1 DOOR) · airframe 63,671 hrs · 11,682 cycles

O2 BOTTLE USED DOOR 1L *FIX JP :TO DF FOR REPLACEMENT. MEL 3531J APPLIED REPLACED O2 BOTTLE.

Part: MODULE — FAULTY (BRAKE SYSTEM) · airframe 63,651 hrs · 11,679 cycles

FMC-L EICAS ADV MSG. L FMC FAIL SEVERAL RESETS AND AIMS RESET CARRIED OUT NIL HELP. L AIMS AMCF MODULE HAS NO DATA. L FMC TO DF. MEL 3461A APPLIED. -INF- :MAINT MSGS 31-51023 AND 31 -51301 BOTH FAULT CPM-ACMF M002 IN LEFT AIMS, RECOMMEND REPLACE M002 MR31418 PCN 483-9052 AND RELOAD SOFTWARE. PLZ WORK FMC DF424 AND ACMF DF423 TOGETHER. REPLACED LEFT ACMF PER MM.

Part: DUCT — CLOGGED (COCKPIT) · airframe 63,580 hrs · 11,669 cycles

FLIGHT DECK AIR TEMPERATURE IS TOO HOT, NO AIRFLOW ON GROUND. SAMC TEXT: WITH CABIN TEMP IN MANUAL COLD, LOW AIR FLOW FROM ALL OUTLETS, IT TOOK 2 HRS TO COOL THE FLT DECK, PER CREW. PLZ CHK FLT DECK DUCTING FOR ANY BLOCKAGE. CHECKED FLOW IN LEFT TUNNEL BEFORE DUCT SPLIT, FOUND FLOW LOW. CHECKED BOTH MUFFLERS, BOTH CLEAR. FOUND LARGE AMOUNT OF DEBRIS AT 1ST FLT DECK SUPPLY DUCT ORIFICE AT STA 525. REMOVED DEBRIS, FLIGHT DECK AIRFLOW RETURNED TO NORMAL. ** NEED TO CANCEL LM1429.

Part: CYLINDER — LOW PRESSURE (CREW O2) · airframe 63,539 hrs · 11,664 cycles

CREW OXYGEN PRESSURE LOW. SERVICED CREW OXYGEN CYLINDER PER AMM.

Part: RADOME — DAMAGED (NOSE) · airframe 63,464 hrs · 11,653 cycles

RADOME NOSE SKIN PITTED DOWN TO HONEYCOMBED. REPLACED NOSE RADOME PER MM.

Part: CIRCUIT CARD — FAULTY (OPAC) · airframe 63,335 hrs · 11,634 cycles

OPIC R1 AND OPIC R2 MESSAGES DISPLAYED. REPLACED OPAC CARD RA2, MESSAGES CLEARED. CHECKS OKAY.

Part: BATTERY PACK — DISCHARGED (R2 DOOR) · airframe 63,325 hrs · 11,631 cycles

PED 2R EPAS BATTERY PACK INOP. REPLACED EPAS BATTERY PACK ON PED 2R. OPS CHECK GOOD. OPS CHECK GOOD. ACP'D RII INSP OF 2R EPAS BATTERY INSTL PER MM.

Part: SLIDE — UNSERVICEABLE (L1 DOOR) · airframe 63,325 hrs · 11,631 cycles

1L SLIDE PACK UNRAVELED. REMOVED AND INSTALLED SLIDE PACK. REMOVED SAFETY PINS AND INSTALLED BUSTLE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 63,325 hrs · 11,631 cycles

R2 DOOR EPAS BATTERY PACK INOP. REPLACED EPAS BATTERY PACK ON R2 DOOR. OPS CHECKED GOOD.

Part: FITTING — CRACKED (L1 DOOR) · airframe 63,325 hrs · 11,631 cycles

DOOR 1L AIR LEAK FAULTS. DOOR 1L LOWER FWD CORNER JUST INSIDE THRESHOLD. PHENOLIC FITTING IS NICKED AND CRACKED. REPAIRED PHENOLIC FITTING ON OV WU X5926I. TEST FLIGHT FOR TONE AT DOOR 1L FAILED AT HIGH ALTITUDE AND HIGH SPEED. ADJUSTED 1L DOOR ON OV WU X5933I. ACCOMPLISHED LOW BLOW TEST PER JC 280005010, NO LEAKS, DOOR QUIET.

Part: TRANSMITTER — FAULTY (LT ENGINE FUEL) · airframe 63,325 hrs · 11,631 cycles

LEFT ENGINE FUEL FLOW READINGS ERRONEOUSLY HIGH FROM FUEL FLOW TRANSMITTER. REPLACED LEFT ENGINE FUEL FLOW TRANSMITTER PER MM.

Part: OUTFLOW VALVE — FAULTY (CABIN PRESSURE) · airframe 63,179 hrs · 11,608 cycles

LOUD SQUEALS FROM DOORS 1L & 1R. THE 1R SOUND COMING FROM FWD PART OF DOOR, 1L SOUND IS COMING FROM AFT PART OF DOOR, SOUND HASN'T STOPPED ENTIRE FLIGHT. CLEANED DOOR SEAL 1R. NO HISTORY. NO DEFECTS FOUND. TEST FLIGHT FOR DOOR 1L. CREW REPORTS ON CLIMBOUT DOWN LOW AREA IS QUIET. AT FL380 ACCEL TO .85M A RESONANT NOISE STARTED SOUNDED LIKE A HIGH PITCH FLUTE TONE. ONCE THE NOISE STARTED SLOWING DOWN AND YAWING THE AIRCRAFT HAD NO EFFECT SPEED RANGE .85M-.72M( 210 KIAS). OPBLM HUTCHINSON SAMC UPDATE THE NOISE SEEMED TO ORIGINATE FROM THE LOWER LEFT CORNER OF THE DOOR. DOOR RIG CHECK GOOD, FOUND FWD OUTFLOW VALVE BELOW DOOR 1L MISSING 4 INCH SECTION OF SEAL WHICH WE BELIEVE WHERE THE NOISE IS COMING FROM. RPL'D OUTFLOW VALVE.

Part: SHUTOFF VALVE — FAULTY (ACM) · airframe 63,155 hrs · 11,604 cycles

RIGHT PACK AIR CYCLE MACHINE (ACM) FAILED. SUSPECT FLOW CONTROL VALVE. REPLACED SHUT OFF VALVE PER MM.

Part: LIGHT — INOPERATIVE (SEAT 2F) · airframe 63,047 hrs · 11,589 cycles

SEAT 2F FWD EMERGENCY LIGHT INOPERATIVE. REPLACED FWD LIGHT ASSY. OPS CHECKED GOOD.

Part: GCU — FAULTY · airframe 62,931 hrs · 11,572 cycles

ELEC GEN OFF R RIGHT GENERATOR CONTROL BREAKER (GCB) OPEN OR GENERATOR CONTROL SWITCH OFF, AND ENGINE NOT SHUT DOWN. ADVISORY. CREW COMMENTS: ATTEMPTED 1 RESET, UNSUCCESSFUL. APU NOW RUNNING FOR ELECTRICS. MSG-2431632 LATCHD TA MODE. REPLACED GCU PER MM 24-22- 02 RAN ENG IDG OPS CHECKED OKAY.

Part: POWER SUPPLY — FAULTY (CABIN) · airframe 62,548 hrs · 11,514 cycles

LEFT MAIN DOOR 3 EMER SIGN LIGHT DOES NOT COME ON WITH EMER LIGHT TEST. REPLACED LEFT MAIN DOOR 3 EMER LIGHT BATTERY POWER SUPPLY ASSY EMER LIGHT TEST OKAY DOOR 3 LEFT.

Part: CLAMP — DETERIORATED (ADP AIR DUCT) · airframe 62,472 hrs · 11,501 cycles

LOUD WHINNING SOUND STILL UNDER FLOORBOARD NEAR 3R. PER INBD CREW COMMENT: FLOOR VIBRATION AND NOISE BETWEEN DOORS 3R AND 3L, FROM 3 ROWS FWD OF DOORS TO 5 ROWS BACK. INSPECTED ALL DUCTS IN AFT PIT AND WHEEL WELLS. FOUND ADP AIR DUCT CLAMP DETERIORATED AT LT WHEEL WELL (AFT FIRE WALL). REPLACED CLAMP.

Part: SCUFF PLATE — DEFECTIVE (FUSELAGE) · airframe 62,187 hrs · 11,463 cycles

DOOR 1L HARD TO CLOSE. SCUFF PLATE OUT OF TOLERANCE. STARTED REMOVING 1 LT MED SCUFF PLATE ALL BUT 2 EA FASTNERS IN CENTER. REMOVED 1L SCUFF PLATE & CLEANED SEALANT FROM SILL. NEEDS NEW PLATE INSTALLED. INSTALLED NEW SCUFF PLATE. ALSO FOUND LATCH PAWL AND BUSHING WORN. ON ORDER FROM SFO AND BOEING. REPLACED ITEM 135 BUSHING AND ITEM 140 PAWL ASSY. ADJUSTED STRIKE PLATE FOR ROLLER ASSY GUIDE, NO HELP. ADJUSTED LOWER AFT GUIDE TRACK AND ACCOMPLISHED CHECK, DOOR CLOSES NORMAL.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 61,964 hrs · 11,428 cycles

EMERGENCY LIGHTS AROUND GALLEY BETWEEN DOORS 2L AND 2R ARE INOP. REPLACED POWER SUPPLY M33096 ABOVE DOOR 2L. OPS CHECKED GOOD.

Part: GIRT BAR — BROKEN (L1 DOOR SLIDE) · airframe 61,908 hrs · 11,420 cycles

DOOR 1L DIFFICULT TO CLOSE. CHECKED MED 1L FOR PROPER OPERATION. DOOR 1L SLIDE REMOVED FOR ACCESS. REPLACED SLIDE AT DOOR 1L. AFT SLIDE GIRT BAR BRACKET ON DOOR 1L WAS REMOVED ON ACCOUNT IT IS BROKEN. REPLACED BROKEN BAR BRACKET.

Part: CHAIN — OUT OF ADJUST (L1 DOOR) · airframe 61,908 hrs · 11,420 cycles

DOOR 1L HARD TO OPEN AFTER ADJUSTING PROG CHAIN. ADJUSTED AS FOLLOWS SHORTENED SHORT CHAIN 2 FLATS LENGTHENED LONG CHAIN 2 FLATS. ADJUSTED PROGRAMMING BOLT AND TESTED CHAIN.

Part: PCU — LEAKING (POSITION 1) · airframe 61,416 hrs · 11,355 cycles

RUDDER HYD ACTUATOR LEAK. REPLACED UPPER PCU. LEAK AND INSTALLATION TEST GOOD IAW WU K0323F.

Part: PUMP — LEAKING (NR 2 ENGINE FUEL) · airframe 61,305 hrs · 11,339 cycles

NR 2 ENGINE FUEL PUMP DRAIN HAS A STEADY STREAM OF FUEL WITH ENGINE OPERATING. REPLACED ENGINE FUEL PUMP AS PER MM. REINSTALLED FMU WITH NEW PACKINGS AS PER MM. LEAK CHECKED ENGINE. RAN ENGINE AT IDLE, NORMAL PARAMETERS WERE NOTED.

Part: CHECK VALVE — FAULTY (HYD SYSTEM) · airframe 61,301 hrs · 11,338 cycles

CENTER ADP C1 MODULE RPL. DUE TO PREVIOUS FAILURE OF THE PRESSURE TRANSDUCER CHECK VALVE IN THE FILTER MODULE, AS A PRECAUTION NEED TO REPLACE THE COMPLETE FILTER MODULE. NO LEAKS NOTED.

Part: CONNECTOR — LOOSE (FUEL BOOST PUMP) · airframe 61,257 hrs · 11,332 cycles

RT AFT FUEL PUMP EICAS. REPLACED RT AFT BOOST PUMP CO NTROL RELAY K28242 AND RT AFT BOOST PUMP OVERHEAD SWITCH ASSY, NO HELP.SUSPECT PUMP BAD. REPLACED MAIN FUEL TANK ENGINE FUEL BOOST PUMP MOTOR ASSY, NO HELP. SECURED WD28-22-22. RANG WIRES FROM BOOST PUMP CONNECTOR DM28202 TO RELAY K28242, NO FAULT NOTED. REACTIVATED THE SYSTEM. PUMPED 40K FUEL FROM RT TO LL WHILE SHAKING WIRES AROUND PUMP AND P210. STILL NO FAULT FOUND BACKSHELL OF PUMP CONNECTOR WERE 180 DEGREES OFF. RESECURED BACKSHELL TO PROVIDE SLACK ON BOOST PUMP WIRES. PUMP OPS CHK NORMAL REF.

Part: CONTROL VALVE — DEFECTIVE (APU) · airframe 61,240 hrs · 11,328 cycles

APU BLEED AIR STATUS MESSAGE. MAT SHOWS MAINT MESSAGE 49-111 80 SURGE CONTROL VALVE DOES NOT FOLLOW COMMAND. PLACED DEFECT ON MEL 4952A, APU BLEED AIR SYS INOP. REPLACED SURGE CONTROL VALVE.

Part: CHECK VALVE — BROKEN (HYD ADP) · airframe 61,168 hrs · 11,318 cycles

CENTER HYD SYS PRESSURE CONTINUOUSLY DROPS TO 2440 WHEN ADP ON. FOUND ADP 1 CHECK VALVE BROKEN AND BROKEN PART WEDGED IN CHECK VALVE ADP FILTER MODULE CAUSING ACMP BACKDRIVING ADP. REPLACED CHECK VALVE ADP1 AND REMOVED BROKEN PART FROM CHECK VALVE IN ADP FILTER MODULE, NOW ALL OPS OK. MAT HYD SYST TEST AND LEAK CHECK ALL OK. ALL 'C' HYD PUMP OPS CHECKED OK.

Part: RELAY — FAILED (RT ENGINE) · airframe 60,830 hrs · 11,270 cycles

RT ENGINE WOULD NOT SHUT DOWN USING FUEL CONTROL LEVER, USED FIRE HANDLE. REPLACED NR 2 ENGINE RELAY UNIT PER MM. RAN ENGINE SEVERAL TIMES, SHUT DOWN NORMAL.

Part: TERMINAL — MELTED (WINDOW HEAT) · airframe 60,689 hrs · 11,250 cycles

POWER TERMINAL ON WINDOW 1L SHOWS EVIDENCE OF HEAT DAMAGE. POWER TERMINAL HAS MELTED. BOTH HARNESSES AT J5 D30105 NEED TO BE CHANGED. REPLACED HARNESS D30105 (J5) AND SENSOR D30106 (J13) PER WDM. PERFORMED BITE CHK OF WINDOW HEAT, BITE CHECKS OKAY. CAPT'S NR 1 WINDOW NEEDS TO BE CHANGED. REPLACED AND SEALED CAPTAIN'S WINDOW NR 1. FIRST TORQUED AT 0415 NOV17; SECOND TORQUE NOT TO BE COMPLETED TIL (PARTIAL). COMPLETED SECOND TORQUE. THIRD TORQUE TO BE ACCOMPLISHED AFTER MIN 3 HRS. ACCMP'D L1 WINDOW FINAL TORQUE PER MM.

Part: SWITCH — FAULTY (ENGINE OIL FILTE) · airframe 60,506 hrs · 11,225 cycles

ENG OIL FILT SNSR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LEFT ENGINE HAS FAILED. STATUS MSG-7960861 ACTIVE ER MODE MSG-7960861 ACTIVE ER MODE. SUPPLEMENTAL DATA UPDATE RPL'D LH ENG OIL DIFFERENTIAL PRESSURE SWITCH. CHECKED MCD'S REF MAINT TIP MT 79-UA01R1.

Part: WIRE HARNESS — FAULTY (RT EEC) · airframe 60,044 hrs · 11,163 cycles

ENG EEC C1 R RT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION. ENGINE CONTROL SYS IS OPERATING WITH REDUCED REDUNDANCY. T3 THERMOCOUPLE SIGNAL IS STILL FAULTING AFTER T3 TC WAS REPLACED ON 14SEP, NO HELP. REPLACED HARNESS. ALSO REPLACED T3 SENSOR AS PRECAUTION.

Part: SENSOR — FAULTY (COCKPIT) · airframe 60,044 hrs · 11,163 cycles

SEVERAL MINUTES AFTER INITIAL EXT POWER APPLICATION, EQUIPMENT COOLING WARNING HORN SOUNDS AND EICAS STATUS MESSAGE FOR LT EQUIPMENT COOLING FAN DISPLAYED. TRIED RESET, NO HELP. MAINTENANCE MESSAGE 21-14021. REPLACED EQUIPMENT COOLING FAN (LT), AND FILTER. NO HELP. FAN OPS CHECKS NORMALLY. ENVIRONMENTAL TEST ON MAT FAILS. REPLACED FLOW SENSOR, NO HELP. GROUND TEST SHOWED MESSAGE 21-14132. REPLACED FLT DECK FLOW SENSOR. ACCOMPLISHED GROUND SYS TEST, TESTS OK.

Part: CONTROL PANEL — FAILED (NR 1) · airframe 58,786 hrs · 10,977 cycles

THE MCP AIRSPEED INDICATOR, MCP HEADING SELECTOR & ALT SELECT KNOB ARE ALL INOP. REPLACED MODE CONTROL PANEL, OPS CHECK OKAY.

Part: LIGHT — MISSING (SEAT 1E) · airframe 58,428 hrs · 10,922 cycles

AFT EMERGENCY LIGHT ASSY MISSING ON SEAT 1E. REPLACED MISSING EMERGENCY LIGHT ASSY.

Part: SWITCH — DEFECTIVE (RT ENGINE) · airframe 58,282 hrs · 10,897 cycles

RT ENG WHEN MOVED TO CUTOFF STAYS AT 1.4 FUEL FLOW FOR 30 SECONDS. POSSIBLE PARTS THAT MAY BE RELATED TO THIS PROBLEM: RELAY K76207, K76204 & CUTOFF SWITCH S76200. REPLACED RT ENG FUEL CUTOFF SWITCH IAW MM. RAN ENGINE TWICE. OPS CK OK.

Part: OVEN — CONTAMINATED (GALLEY) · airframe 57,018 hrs · 10,692 cycles

DOOR 4R ELECTRICAL BURNING ODOR ABOUT 25 HRS INTO FLIGHT SEEMED LIKE A 'WAVE' IT IS INTERMITTENT AND HAS HAPPENED TWICE NEAR JUMPSEAT AND DOOR NOT NEAR GALLEY CAN BE DETECTED NEAR THE HANDLE TO THE DOOR COULD ALSO POSSIBLY BE COMING FROM THE LAV F-A HAS NOTIFIED COCKPIT TWICE CPIT ADVISED FA TO TURN OFF CHILLERS, COFFEEMAKERS AND OVENS. RAN CHILLERS, COFFEEMAKERS AND OVENS IN AFT GALLEY. FOUND OLD COOKIE WRAPPED IN PLASTIC AND MELTED IN WARMING OVEN W51. THIS OVEN IS NEAR DOOR 4 RT IN AFT GALLEY. NO OTHER ODORS NOTED.

Part: LIGHT — BROKEN (SEAT 1E) · airframe 56,681 hrs · 10,639 cycles

EMERGENCY LIGHT ON AISLE SIDE OF SEAT 1E BROKEN DANGLING. NEED LIGHT ASSY. REPLACED LIGHT ASSY.

Part: CONNECTOR — DIRTY (CREW OXY SYS) · airframe 56,680 hrs · 10,638 cycles

CREW OXYGEN PRESSURE LOW, FLT DIVERTED. INSTALLED NEW OXYGEN BLEED VALVE, NO HELP. REINSTALLED ORIGINAL BLEED VALVE. CONNECTER FOUND SOILED. CLEANED CONNECTOR, OPS CK OK. OXYGEN PRESSURE HOLDING 1740 PSI.

Part: IDG — MALFUNCTIONED (LT ENGINE) · airframe 56,296 hrs · 10,581 cycles

ELEC GEN SYS L IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. STATUS MSG01- LATCHED CRUISE MODE DEPENDENT. IDG (L) OUTPUT CURRENT DOES NOT AGREE WITH P100 INPUT CURRENT. DB- GENERATOR CONTROL UNIT (L) MSG-2431661 LATCHD ER MODE. FOUND MNT MSG 24-31661, ACPD FIM 24-21 TASK 811 AND FOUND L IDG AT FAULT. REPLACED L IDG. ACCMP'D OPERATIONAL TEST OF L IDG WITH ENGINE RUNNING. L IDG IS WORKING PROPERLY.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 55,990 hrs · 10,528 cycles

EXTERIOR EMERGENCY LIGHT AT DOOR 1L IS INOP. RELAMPED, TESTED GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 55,990 hrs · 10,528 cycles

SEAT 1E AFT EMERGENCY LIGHT IS INOPERATIVE. REPLACED LIGHT ASSY, OPS CHECKS GOOD.

Part: BLADES — DAMAGED (NR 1 ENGINE) · airframe 55,873 hrs · 10,508 cycles

12 STG BLADES HAVE DAMAGE AT ROOT. NR1 ENG BOROSCOPE FOR PARAMETER SHIFT. STG 7 HAS TIP TORN OFF THRU AREA F AND NUMEROUS BLADES DAMAGED AT ALL STAGES. REPLACED ENG NR1.

Part: DUCT — FAILED (LT A/C PACK) · airframe 55,422 hrs · 10,437 cycles

L PACK ISSUE, RTFL. FOUND C1 ADP SUPPLY DUCT IN ACFT PIT LEFT SIDE WALL BLOWN. REPLACED ADP DUCT, NO LEAKS NOTED.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 55,165 hrs · 10,398 cycles

SEAT 3F HAS 1 EACH EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED LIGHT ASSY, OPS CHECKS GOOD.

Part: CONNECTOR — LOOSE (CABIN) · airframe 55,165 hrs · 10,398 cycles

SEAT 1F HAS BOTH EMERGENCY EXIT LIGHTS INOPERATIVE. FOUND UNDER SEAT CONNECTOR PULLED LOOSE. SECURED CONNECTOR, OPS CHECKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 55,165 hrs · 10,398 cycles

SEAT 3E HAS 1 EACH EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED LIGHT ASSY, OPS CHECKS GOOD.

Part: GENERATOR — FAULTY (LT BACK UP) · airframe 54,973 hrs · 10,367 cycles

LEFT BUG REPLACEMENT. LEFT BACK UP GENERATOR HAD DPI TRIPPED IN MUC, FILTER WAS REMOVED AND FOUND CLEAN. DUE TO REPETITIVE RESET OF DPI AND NO OBVIOUS FILTER BLOCKAGE LT BACK UP GENERATOR REPLACED. IN ADDITION TO LEAK CHECK ACP TEST OF BACKUP GENERATOR SYS ENG RUN. ALL OPS ARE NORMAL. NO CONTAMINATES FOUND. REPLACED BACK UP GENERATOR. OPS AND LEAK CHECKS NORMAL.

Part: GENERATOR — ACTIVATED (COCKPIT) · airframe 549,450 hrs · 103,635 cycles

NR 2 ENG BUG FILTER BLOCKED INDICATION ON MAINT PAGE. OPENED NR 2 ENG FAN AND T-R COWLS. FOUND BUG DPI POPPED. DRAINED BUG OIL. REMOVED DRAIN PLUG AND FILTER. INSPECTED FILTER. CLEAN - NO SIGNS OF ANY CONTAMINATION-METAL, ETC. RE-FITTED FILTER AND DRAIN PLUG BUT LEFT WIRE LOCKING STILL TO BE ACTIONED. OIL REPLENISHMENT ALSO STILL TO BE DONE. AWAITING SPARE BUG. SPARE BUG RECEIVED & INSTALLED. CONFIRMED NO LEAKS FOUND.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 54,658 hrs · 10,319 cycles

SEAT 2F AFT EEL LIGHT INOPERATIVE. REPLACED LAMP ASSY, OPS CHECK NORMAL.

Part: LIGHT — INOPERATIVE (SEAT 3F) · airframe 54,658 hrs · 10,319 cycles

SEAT 3F FWD EMERGENCY LIGHT INOPERATIVE. INSTALLED NEW EMERGENCY LIGHT, OPS CHECKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 54,658 hrs · 10,319 cycles

SEAT 3E AFT EEL LIGHT INOPERATIVE. REPLACED LAMP ASSY, OPS OKAY.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 54,658 hrs · 10,319 cycles

SEAT 1F AFT EEL LIGHT INOPERATIVE. REPLACED LAMP ASSY, CHECK NORMAL.

Part: BLEED VALVE — FAULTY (RIGHT) · airframe 54,658 hrs · 10,319 cycles

EXPERIENCED A RIGHT ISOLATION BLEED VALVE STATUS AT ENG START. REPLACED RIGHT ISOLATION BLEED VALVE. OPS CHECK ON MAT GOOD.

Part: FMU — FAULTED (NR 2 ENGINE) · airframe 54,616 hrs · 10,313 cycles

R ENG FUEL VALVE MSG. RTBL. REMOVED RT ENG FUEL METERING UNIT. REPLACED NR 2 ENGINE FMU. RAN ENGINE. OPERATIONAL CHECK IS NORMAL. NO FAULT MSG.

Part: OIL FILTER — FAULTY (BACKUP GENERATOR) · airframe 54,580 hrs · 10,307 cycles

LEFT BACK-UP GENERATOR HAS A BLOCKED FILTER INDICATION ON EICAS. REPLACED NR 1 BACK-UP GENERATOR OIL FILTER. NO CONTAMINATION FOUND, LEAK CHECKS OKAY.

Part: STARTER — FAULTY (APU) · airframe 54,469 hrs · 10,289 cycles

APU HUNG START, WILL NOT START. REPLACED APU CONTROLLER, NO HELP. REPLACED APU ELEC STARTER, OPS NORMAL.

Part: LIGHT — BROKEN (CABIN) · airframe 54,393 hrs · 10,274 cycles

CREW REPORTS EEL LIGHTS BROKEN AT SEATS 1E AND 3F. RELAMPED EEL AT SEATS 1E & 3F. TESTED GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 54,115 hrs · 10,235 cycles

AFT EEL LIGHT INOP ON SEATS 1E, 2F. REPLACED EEL LIGHT ASSY. LIGHTS OP CHECK OKAY.

Part: SENSOR — FAILED (APU OIL SYS) · airframe 54,043 hrs · 10,222 cycles

APU OIL QTY APU OIL QUANTITY LOW LEVEL SENSOR DETECTS LESS THAN 3.5 QUARTS OR SENSOR FAILURE. REPLACED APU OIL QUANTITY SENSOR. LEAK CHECKS AND OPS CHECKS OKAY.

Part: LIGHT — MISSING (CABIN) · airframe 53,817 hrs · 10,187 cycles

EMERGENCY LIGHT AT SEAT 1F MISSING. REPLACED EMERGENCY LIGHT STRIP.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 53,793 hrs · 10,182 cycles

SEAT ROW 32 THRU 42, LT AND RT AISLE EMERGENCY LIGHTS INOP. REPLACED DOOR 4R FWD BATTERY PACK AND ALL EMERGENCY LIGHTS, OPS CHECK NORMAL.

Part: ELECTRONIC UNIT — FAILED (CABIN) · airframe 53,612 hrs · 10,153 cycles

NOTICEABLE ELECTRICAL BURNING ODOR IN THE VICINITY OF 17-26 AB. MET THE CREW UPON ARRIVAL AND SPOKE WITH THE F/A WHO DETECTED ELECTRICAL BURNING ODOR. F/A REPORT IT WAS 10 MIN AFTER DEPARTURE & MAINTAINED FOR ABOUT 5 MINS THEN WENT AWAY AT ROW 23AB AREA. OPENED CEILING PANELS AROUND ROW 23 FOR INSPECTION, ALSO CEILING AND SIDEWALL LIGHTS, ALL THE BOXES UNDERNEATH THE SEATS AND NOTHING ABNORMAL FOUND. GROUND TEST REVEALED OEU FAILED AT ROW 22AB (MM MSG 23-03401). DISCONNECTED AND 166743 CAPPED ELECTRICAL CONNECTORS AT OEU AS PRECAUTION AND CREATED ANOTHER DF TO COVER THE CURRENT STATUS.

Part: PUMP — FAILED (HYDRAULIC SYS) · airframe 52,761 hrs · 10,017 cycles

HYDRAULIC PUMP FAILURE, RTFL. HYD PUMP REPLACED. PRESSURIZED AND SERVICED, NO LEAKS NOTED.

Part: CONNECTOR — NOT SEATED (CABIN) · airframe 52,518 hrs · 9,981 cycles

AFT EMERGENCY LIGHT AT SEAT 2E INOP. FOUND CONNECTOR NOT FULLY ENGAGED, SECURED CONNECTOR, CHECKS GOOD.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 52,518 hrs · 9,981 cycles

EXTERIOR EMERGENCY LIGHT AT DOOR 3 RIGHT INOP. RELAMPED EXT EMERGENCY LIGHT AT 3 RT. OP CHECKS GOOD.

Part: CONNECTOR — NOT SEATED (CABIN) · airframe 52,518 hrs · 9,981 cycles

FWD EMERGENCY LIGHT AT SEAT 2F INOP. FOUND CONNECTOR NOT FULLY ENGAGED. SECURED OP CHECKS GOOD.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 52,518 hrs · 9,981 cycles

EXTERIOR EMERGENCY LIGHT AT DOOR 2E INOP. RELAMPED EXT LIGHT. OP CHECKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 51,456 hrs · 9,819 cycles

SEAT 2E AFT EEL LIGHT INOP. REPLACED LAMP, OPS CHECK GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 51,456 hrs · 9,819 cycles

SEAT 2F FORWARD EEL LIGHT INOP. REPLACED LAMP, CHECKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 51,456 hrs · 9,819 cycles

SEAT 1E AFT EEL LIGHT INOP. REPLACED LAMP. TESTED GOOD.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 51,035 hrs · 9,751 cycles

EMERGENCY LIGHT INOP 2E. RESECURED LOOSE CONNECTOR. RELAMPED EEL STRIP AT 2E BATH LIGHTS. OPS NORMAL.

Part: CONTROL VALVE — FAILED (NR 1 SLAT) · airframe 51,025 hrs · 9,747 cycles

NR 1 SLATS PRIMARY FAIL UPPER EICAS. *S/D* SLAT PRIMARY CONTROL VALVE FAILURE. REPLACED SLAT PRIMARY CONTROL VALVE & SVC'D CENTER HYD RESERVOIR. A/C OK FOR SERVICE.

Part: LIGHT — MISSING (SEAT 1E) · airframe 50,877 hrs · 9,724 cycles

AFT EMERGENCY LIGHT AT SEAT 1E MISSING. REPLACED EMERGENCY LIGHT. OPS NORMAL.

Part: SMOKE DETECTOR — FAULTY (E/E BAY) · airframe 50,877 hrs · 9,724 cycles

CHANNEL 1 E&E SMOKE DETECTOR EICAS MESSAGE.

Part: SMOKE DETECTOR — FAULTY (E&E BAY) · airframe 50,877 hrs · 9,724 cycles

CHANNEL 1 E-E SMOKE DETECTOR EICAS MESSAGE. REPLACED E-E COOLING SMOKE DETECTOR.

Part: LIGHT — BROKEN (SEAT 1F) · airframe 50,877 hrs · 9,724 cycles

AFT EMERGENCY LIGHT AT SEAT 1F BROKEN. REPLACED EMERGENCY LIGHT ASSY. OK FOR SERVICE.

Part: SENSOR — FAILED · airframe 50,840 hrs · 9,718 cycles

EQUIP COOLING CTRL R RIGHT ECC REPORTS FAILED FOR 10 SECONDS AND POWER IS AVAILABLE FOR THE ECC. STATUS MSG-2117112 INACTV ER MODE, MSG-2117112 LATCHD ER MODE, MSG-2117132 LATCHED ER HARD.

Part: SENSOR — FAULTY (E&E BAY) · airframe 50,840 hrs · 9,718 cycles

EQUIP COOLING CTRL R RIGHT ECC REPORTS FAILED FOR 10 SECONDS AND POWER IS AVAILABLE FOR THE ECC. STATUS MSG-2117112 INACTV ER MODE MSG-2117112 LATCHED ER MODE MSG-2117132 LATCHED ER HARD. SUSPECT LOW FLOW SENSOR. REPLACED LOW FLOW SENSOR, OP CHECK GOOD. AC OK FOR SERVICE.

Part: SELECTOR SWITCH — NO TEST (DOOR SLIDE) · airframe 50,744 hrs · 9,703 cycles

DOOR 4L SLIDE PACK ARM MODE SELECTOR SWITCH FAILED TEST PER JC 283507211. NO CONTINUITY ON DOOR ARMING CONDUIT. REPLACED DOOR OPEN SWITCH, REF 52-11-28-201. ACP EPAS BATTERY OPERATIONAL TEST, TEST IS OK. WORK IS ACP ON AMECO GFS112973.

Part: SWITCH — FAULTY (L4 DOOR) · airframe 50,744 hrs · 9,703 cycles

DOOR 4L SLIDE PACK ARM MODE SELECTOR SWITCH FAILED TEST PER JC 283507211. NO CONTINUITY ON DOOR ARMING CONDUIT. FOUND FAULTY SWITCH. REPLACED DOOR OPEN SWITCH, OP CHECK GOOD. AC OK FOR SERVICE.

Part: SKIN — WORN (TE FLAP) · airframe 50,744 hrs · 9,703 cycles

RT WING O/B FLAP 12 INCHES FROM I/B END AND 48 INCHES FROM AFT END, SKIN IS WORN. ACP REPAIR PER 777 EN-57-00 46-01, THE REPAIR IS APPROVED BY BAC, FORM 8100-9. THE REPAIR IS PERMANENT REPAIR.

Part: SKIN — WORN (TE FLAP) · airframe 50,744 hrs · 9,703 cycles

LT WING O/B FLAP 12 INCHES FROM I/B END AND 48 INCHES FROM AFT END, SKIN IS WORN. ACP REPAIR PER 777EN57-004 7-01. THE REPAIR IS APPROVED BY BAC FORM 8100-9. THE REPAIR IS PERMANENT REPAIR. NO RE-INSPECTION IS REQUIRED.

Part: SKIN — WORN (LT WING TE FLAP) · airframe 50,744 hrs · 9,703 cycles

LT WING O/B FLAP 12 INCHES FROM I/B END AND 48 INCHES FROM AFT END, SKIN IS WORN.

Part: SKIN — WORN (RT WING TE FLAP) · airframe 50,744 hrs · 9,703 cycles

RIGHT WING O/B FLAP 12 INCHES FROM I/B END AND 48 INCHES FROM AFT END, SKIN IS WORN.

Part: HYDRAULIC SYSTEM — LOW PRESSURE (RIGHT) · airframe 50,306 hrs · 9,630 cycles

HYD PRESS DEM R LOW RIGHT HYDRAULIC DEMAND PUMP PRESSURE WITH PUMP COMMANDED ON OR PUMP SWITCHED OFF.

Part: HYDRAULIC SYSTEM — FIRE (RT NACELLE) · airframe 50,306 hrs · 9,630 cycles

WHILE PERFORMING OPERATIONAL CHECK ON RT HYD ACMP FLASH FIRE OCCURRED IN PYLON. FLASH FIRE WAS ON FOR A FEW SECONDS AND WAS CONTAINED. NO FIRE EXTINGUISH AGENT WAS NEEDED OR USED BY FIRE DEPT.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 49,833 hrs · 9,553 cycles

EMERGENCY LIGHTS ON SIDES OF SEATS 21C AND 24C INOP. SUSPECT FAULTY LIGHT ASSEMBLY. REPLACED LIGHT ASSEMBLY 21C REPLACED LAMP 24C OP CHECKED GOOD. AC OK FOR SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 49,833 hrs · 9,553 cycles

EMERGENCY LIGHT AT SIDE OF SEAT 14C IS INOP. SUSPECT FAULTY LAMP. REPLACED LAMP, OP CHECKED GOOD. AC OK FOR SERVICE.

Part: CONNECTOR — UNSTABLE (FIRE BOTTLE) · airframe 49,353 hrs · 9,477 cycles

WHILE ACCOMPLISHING EG8515 FOR CARGO PIT FIRE BOTTLE CHECK, NOTICED THAT WHEN DISC SWITCH IS PUSHED THAT VOLTAGE AT SQB CONN SPIKES TO 24.96 VDC FOR A SPLIT SECOND THEN GOES BACK TO APPROX ZERO AND STAYS ZERO UNTIL 20 MINS WHEN IT GOES TO APPROX 24 VDC AS STATED IN MM. SHOULD NOT HAVE THAT INITIAL SPIKE OF 24.96 VDC AT BOTTLE 2C. ACCOMP WITH FIRE EXTINGUISHER SYSTEM TESTING KIT. OP CHECKS GOOD.

Part: BOTTLE — UNKNOWN · airframe 49,353 hrs · 9,477 cycles

WHILE ACCOMPLISHING EG8515 FOR CARGO PIT FIRE BOTTLE CHECK, NOTICED THAT WHEN DISC SWITCH IS PUSHED THAT VOLTAGE AT SQB CONN SPIKES TO 24.96 VDC FOR A SPLIT SECOND THEN GOES BACK TO APPROX ZERO AND STAYS ZERO UNTIL 20 MINS WHEN IT GOES TO APPROX 24 VDC AS STATED IN MM. SHOULD NOT HAVE THAT INITIAL SPIKE OF 24.96 VDC AT BOTTLE 2C.

Part: FITTING — STRIPPED (CREW O2 BOTTLE) · airframe 49,298 hrs · 9,468 cycles

FOUND ACFT CREW O2 SERVICE FITTING STRIPPED.

Part: LIGHT — DETACHED (SEAT 3E) · airframe 49,143 hrs · 9,446 cycles

EEL LIGHT AT SEAT 3E HAS BEEN RIPPED OFF. REPLACED LIGHT ASSY.

Part: GENERATOR — FAILED (RIGHT) · airframe 48,929 hrs · 9,413 cycles

RIGHT GENERATOR FAILED DURING CRUISE.

Part: LIGHT — MISSING (CABIN) · airframe 48,241 hrs · 9,298 cycles

SEAT 3E IS MISSING AFT EEL LIGHT. REPLACED EEL LIGHT.

Part: APU — SHUTDOWN · airframe 47,846 hrs · 9,238 cycles

APU SHUT DOWN AT GATE FOR NO APPARENT REASON. REPLACE APU OIL CLUSTER, OPS CHECKED NORMAL. AC OK FOR SERVICE.

Part: OIL SYSTEM — LOW (NR 1 ENGINE) · airframe 47,316 hrs · 9,151 cycles

NR 1 ENG SHUTDOWN DUE EICAS AT 10,000 FT FOR OIL PRESSURE AND QUANTITY ZERO. EMERGENCY DECLARED BY CREW. ENGINE REPLACED. FOUND ONE HPT STAGE-2 BLADE FAILED UNDER THE PLATFORM DUE TO STRESS CORROSION CRACKING (SCC). AN ADJACENT BLADE WAS FRACTURED 0.100 INCHES ABOVE THE PLATFORM. THE LOSS OF BOTH BLADES RESULTED IN HEAVY VIBRATION AND OIL LOSS. THE FAILED BLADE WAS FIRST RUN. THIS IS THE FIRST INDUSTRY HPT STAGE-2 SCC FAILURE ON A PW4077 ENGINE.

Part: SKIN — DAMAGED (BS 397) · airframe 46,503 hrs · 9,020 cycles

REWORKED SKIN GOUGE AT STA 397 BETWEEN STR 30L-31L IS CRACKED. MARKED ENDS OF CRACK. [07-13-07] DOUBLER INSTALLED PER SRM 53-00-01 REPAIR 10. A/C OK FOR RETURN TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 46,267 hrs · 8,981 cycles

CREW REPORTS ON TAKE OFF TOWER REPORTED SMOKE FROM ENG 1, NO ABNORMAL ENG PARAMETER OR EICAS MSG, IT WAS A FULL POWER TAKE OFF DUE TO EPR MODE BEING INOP. VISUAL INSP OF ENG AREA DURING FLIGHT WAS NORMAL, NO ODOR IN COCKPIT OR CABIN (CONFIRMED BY CREW). [06-14-07] ALL ENGINE SYSTEMS CHECKED NORMAL.

Part: CONNECTOR — MELTED (ELECTRONIC UNIT) · airframe 45,623 hrs · 8,871 cycles

OVERHEAD ELECTRONICS UNIT DIRECTLY BELOW CENTER VHF ANTENNA FOUND BURNT AND MELTED. [SUP 4-24-07] REPLACED OVERHEAD ELECTRONICS UNIT CONNECTOR. SUSPECT ELECTRICAL SHORT IN OEU CONNECTOR CAUSED MOMENTARY HIGH CURRENT CONDITION.

Part: LIGHT — INOPERATIVE (SEAT 3F) · airframe 45,453 hrs · 8,843 cycles

FWD EEL LIGHT AT SEAT 3F IS INOPERATIVE. REPLACED LIGHT ASSY. OPS CHECKS GOOD.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 45,453 hrs · 8,843 cycles

SEAT 43D EEL LIGHT IS INOPERATIVE. RELAMPED. OPS CHECKS GOOD .

Part: CONNECTOR — BURNED (RT MLG WW) · airframe 45,210 hrs · 8,802 cycles

CONNECTOR DM29311A BURNED FOR THE NR 2 ACMP (CENTER PUMP) RIGHT WHEEL WELL. PUMP REPLACED. CONNECTOR IS TAPED AND TIED OFF IN THE AREA. REPLACED CONNECTOR AND PINS. SYSTEM OP CHECKS OK FOR SERVICE. SUSPECT PUMP ARMATURE DETERIORATION CAUSED GREATER THAN NORMAL CURRENT FLOW, RESULTING IN BURNED CONNECTOR.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 44,080 hrs · 8,599 cycles

FLOOR PROX EMERGENCY EXIT LIGHT ON SEATS 18C AND 21C ARE INOP. REPLACED EEL LIGHT ASSY ON SEATS 18C & 21C. OPS CHECK GOOD.

Part: STRUCTURE — CRACKED (FWD CARGO BAY) · airframe 43,495 hrs · 8,496 cycles

CRACK FOUND IN STRUCTURE OF FWD CARGO PIT FLOOR AT STATION 500 IN FRONT OF FWD LATERAL GUIDE RAIL NR 2. DAMAGED AREA INCLUDING FLOOR & GUIDE RAIL REMOVED., LAID OUT PATTERN WITH ORDEG-LINE ENGINEERING AND ASSEMBLED INFO FOR REPAIR. FABRICATED REPAIR DOUBLER AND INSTALLED. RETURNED TO SERVICE.

Part: LIGHT — MISSING (CABIN) · airframe 42,091 hrs · 8,240 cycles

EMERGENCY PATH MARKING LIGHT MISSING FROM SEAT 3C. REPLACED LIGHT ASSEMBLY, OPS C HECKS GOOD. PROBABLE IMPACT BY CABIN OCCUPANT.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 41,367 hrs · 8,122 cycles

FOUND EMERGENCY LIGHT AT SEAT 34C AND AFT LIGHT ON SEAT 3E ARE INOP. RELAMPED. TESTED GOOD.

Part: BATTERY PACK — FAILED (SEATS ROW 17-27) · airframe 40,892 hrs · 8,041 cycles

ALL EEL LIGHTS INOP FROM SEAT ROW 17 THROUGH 27.

Part: CONVERTER — FAULTY (GENERATOR) · airframe 40,561 hrs · 7,988 cycles

BOTH BACKUP GENERATORS FAILED. RESET ATTEMPT FAILED. ALSO SMELLED SMOKE ODOR. A BURNED BACKUP CONVERTER CAPACITOR FOUND BY SHOP 147 WAS LATER CONFIRMED BY HAMILTON SUNDSTRAND WHO SERVICES THE UNIT AS THE CAUSE OF FAILURE. THE CAPACITOR WAS REPLACED AND THE UNIT RECERTIFIED. NO AIRCRAFT OR BUG PROBLEMS WERE REPORTED AFTER CONVERTER REPLACEMENT.

Part: PBE — UNKNOWN (CABIN) · airframe 40,146 hrs · 7,922 cycles

PBE'S PACKAGE DEFECTS AT 1L, 2R, 2L, 3L, 4L, AND 4R. THESE PBES WERE PULLED PREMATURELY AND DID NOT HAVE THE VACUUM SEALS BROKEN. MAINTENANCE CONTROL REVIEWED REMOVAL CRITERIA WITH AMTS INVOLVED AND EMPHASIZED THE USE OF THE SEAL INTEGRITY INDICATOR BUTTON.

Part: STRIP — DAMAGED (CABIN)

3E SEAT PATH EMERGENCY LIGHTING STRIP RIPPED OFF BY FA. MISSING EMERGENCY LIGHT WAS REPLACED.

Part: SLIDE — FOD

WHEN SLIDE OPENED THERE WAS A SANDBAG AND SCREWDRIVER PACKING INSIDE SLIDE. COMPONENT SHOP MAINTENANCE QUALITY ISSUE. SHOP MECHANIC TRAINING COULD BE THE PROBABLE CAUSE. SHOP THAT PERFORMED THIS DISCREPANT PACKING NO LONGER EXISTS. SLIDE IS NOW MAINTAINED BY AN OSV SHOP. PACKING DISCREPANCY IS CONSIDERED AN ISOLATED INCIDENT.

Part: WIRE HARNESS — ARCED (OVEN) · airframe 36,030 hrs · 7,237 cycles

OVEN DOES NOT HEAT ENOUGH. FOUND CB POPPED. WHEN RESET CB, A VERY, VERY SERIOUS ARC OCCURRED BEHIND OVEN. LATER FOUND CHARRED WIRES BEHIND OVEN. EXAMINATION OF ANOTHER AIRCRAFT REVEALED EXTREMELY TIGHT CLAMPING OF R53 HARNESS USING TIE-WRAP ON SELF-STICK STANDOFF. IT IS NOW BELIEVED THAT THIS METHOD OF CLAMPING INDUCES CHAFING AND SUBSEQUENT CONTACT BETWEEN CONDUCTORS AND SHORT CIRCUITING. GALLEY MANUFACTURER STATES THEY DO NOT USE TIEWRAP/STICKON AS A MEANS OF WIRE SUPPORT. EG3924 ISSUED TO AFFECTED AIRCRAFT TO CHECK HARNESSES AND REMOVE TIEWRAP/STICK-ON IF INSTALLED. NO OTHER ANOMALIES REPORTED. ALERT BULLETIN "TRIPPED CIRCUIT BREAKERS - RESETTING" ISSUED 1/24/05. NO FURTHER ACTION REQUIRED.

Part: CONNECTOR — LOOSE (EMERGENCY LIGHT) · airframe 33,745 hrs · 6,809 cycles

SEAT EMERGENCY LIGHTS INOP AT 3F BOTH LIGHTS. SECURED CONNECTOR UNDER STORAGE COMPARTMENT BETWEEN SEATS.

Part: LIGHT — INOPERATIVE (SEAT 1E) · airframe 33,745 hrs · 6,809 cycles

EMERGENCY LIGHT INOP AT SEAT 1E AFT LIGHT AND 11D AFT LIGHT. RELAMPED LIGHT.

Part: WIRE — OVERHEATED (GALLEY OVEN) · airframe 32,322 hrs · 6,537 cycles

FIRST CLASS GALLEY OVENS AND HOT PLATES INOPERATIVE. WIRES BECAME OVERHEATED AT CONNECTION POINT OF C1 LUG ON 15 AMP CIRCUIT BREAKER C003 SUPPLYING POWER TO A FIRST CLASS OVEN. THIS CIRCUIT BREAKER IS ALSO IN A PARALLEL CIRCUIT THAT SUPPLIES POWER TO ADDITIONAL OVENS AND WARMING PLATES DOWNSTREAM. CIRCUIT BREAKER APPEARS TO HAVE BEEN WORKING CORRECTLY AND VISUAL ANALYSIS OF BURNED WIRES INDICATE INCORRECT CRIMPING ON BOTH WIRE LUGS ATTACHED TO THE CIRCUIT BREAKER. ADDITIONALLY, WIRE LUGS MAY NOT HAVE BEEN TIGHT ON THE C1 TERMINAL ON THE CIRCUIT BREAKER. CIRCUIT BREAKER AND WIRES WERE REPLACED.

Part: SOCKET — SHORTED (EMERGENCY LIGHT) · airframe 31,989 hrs · 6,479 cycles

CEILING EMERGENCY LIGHT AT 35 AND 36G OUT. REPAIRED SHORTED SOCKET AND REPLACED EMERGENCY LIGHT POWER SUPPLIES.

Part: HEATER — FAILED (DOOR 2 RT) · airframe 31,591 hrs · 6,410 cycles

BURNING RUBBER ODOR COMING FROM OVERHEAD VENTS IN NR 2 GALLEY. RECIRC FANS OFF, ODOR DISSIPATED. ODOR COMPLAINTS COMPLETELY STOPPED AFTER REPLACEMENT OF AREA HEATER AT DOOR 2 RIGHT.

Part: FITTING — CRACKED (LT AILERON)

I/B & O/B ACTUATOR FITTINGS CRACKED. LEFT AILERON WAS REPLACED.

Part: WEDGE — DELAMINATED (NR 9 SLAT)

T/E WEDGE DELAMINATED. MAJOR REPAIR ACCOMPLISHED. REPAIRED WEDGE AND FASTENER HOLES.

Part: SEAL — DETERIORATED (RT WING) · airframe 30,711 hrs · 6,245 cycles

SMOKE APPEARING FROM RIGHT WING. SMOKE WAS ACTUALLY ONE END OF A RUBBER SEAL THAT HAD BECOME DISLODGED AND WAS FLUTTERING AT 500 MPH. DISLODGED PART OF THE SEAL END WAS CUT AND SURFACE REPAIRED.

Part: NUT — DAMAGED (RELIEF VALVE) · airframe 28,789 hrs · 5,858 cycles

CREW REPORTED UNCOMMANDED FUEL TRANSFER FROM RT TO LT WING AT A RATE THAT REQUIRED CONSTANT FUEL BALANCING. NO EVIDENCE OF TOTAL FUEL QTY LOSS. A LEAKING WIGGINS COUPLING ON THE JETTISON / REFUEL MANIFOLD, IN THE LT MAIN TANK. ADJACENT TO THE LT OUTBOARD REFUEL VALVE. THE RT MAIN JETTISION FUEL PUMP WAS RUNNING UNCOMMANDED DUE TO ITS ELCU, M28212, FAILING IN THE CLOSED POSITION (THUS POWERING THE PUMP.THE COUPLING NUT & SEAL, AND THE ELCU WERE REPLACED

Part: WIRE HARNESS — BROKEN (CABIN) · airframe 27,989 hrs · 5,700 cycles

BOTH EEL LIGHTS INOP DUE TO BROKEN WIRING HARNESS. REPAIRED WIRING HARNESS.

Part: LIGHT — DAMAGED (CABIN) · airframe 27,832 hrs · 5,671 cycles

EEL LIGHT DAMAGED AT SEAT 1E. INSTALLED SERVICEABLE EEL LIGHT.

Part: SWITCH — FAULTY (RT ENGINE) · airframe 24,612 hrs · 5,019 cycles

ENG FUEL FILTER R EICAS MSG DURING CLIMB. POWER (CLIMB) STABLE. ACFT ATTITUDE 8 DEGREES NOSE-UP. RTF. 2 FAULT MESSAGES: 73-60912 SWITCH POSITION SIGNAL FROM FUEL PUMP FILTER DIFF PRESS SW (R ENG) CHANNEL A AND B DO NOT AGREE AND 73-60922 FUEL PUMP FILTER DIFF PRESS SWITCH (R ENG) SIGNAL IS OUT OF RANGE. REPLACED FILTER, NO CONTAMINANTS FOUND, POINTING TO A WARNING SYSTEM PROBLEM. REPLACED DIFFERENTIAL PRESSURE SWITCH. NO RECURRENCE OF FAULT MESSAGES SINCE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 24,577 hrs · 5,008 cycles

SEAT 3E AFT EEL LIGHT INOP.

Part: HARNESS — FAULTY (NR 2 ENGINE) · airframe 24,417 hrs · 4,973 cycles

FLIGHT RETURNED TO FIELD AND LANDED AMBER ALERT DUE TO A HIGH ENGINE TEMPERATURE INDICATION. CREW REPORTS NR 2 EGT BLANKED ON TAKEOFF. RECOVERED AFTER TAKEOFF BUT WAS FLUCTUATING. MAINTENANCE REPLACED ELECTRICAL HARNESS WO635, AFTER WHICH THE FAULT DID NOT REOCCUR. THE HARNESS FROM THIS EVENT WAS NOT RECOVERED FOR ENGINEERING ANALYSIS. TYPICAL FAILURE MODES WHICH HAVE BEEN FOUND WITH EGT HARNESSES IN OTHER CASES INCLUDE LOOSE TERMINALS, INTERNAL AL/CR FAILURE, AND INTERNAL SHORT CIRCUITS. WO635 WAS JUDGED TO BE MOST PROBABLE CAUSE OF THIS EVENT ON ENGINE 777049.

Part: FMU — DEFECTIVE (LT ENGINE) · airframe 24,161 hrs · 4,922 cycles

L ENG EPR FLUX APPROX. .02 AT CRUISE. ALL OTHER ENG PARAMETERS FOLLOW FLUCTUATION. AUTOTHROTTLE DISCONNECT NO HELP. SUPPLEMENTAL DATA UPDATE REPLACED FUEL METERING UNIT P/N 808800-1 S/N F32614 AT PART TOTAL TIME 20638. EPR FLUX HAS NOT REOCCURRED TO DATE ON ENGINE W/ NEW FMU. UNIT WAS TESTED, DISCOVERED BAD MPSOV PROXIMITY SENSOR. DURING OVERHAUL DISCOVERED WEAR ON MPSOV, LVDT HOUSING AND PISTON. PARTS REPLACED AND UNIT RELEASED FOR SERVICE (MR73205-33). P/N:806829-1, 808678-1,811399-11,811399-21,

Part: DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 17,682 hrs · 3,716 cycles

AFTER ENGINE START, RECEIVED AFT CARGO WARNING MESSAGE. DISCHARGED AFT FIRE BOTTLES. WARNING WENT AWAY AFTER 2 - 3 MINUTES. *S/D* INITIAL CAUSE WAS THOUGHT TO BE INADVERTENT DETECTION DUE TO FUMIGATION OR MOISTURE BECAUSE OF NO SYSTEM FAULTS PRESENT. WHEN SAME EVENT OCCURRED 7 DAYS LATER IN FRA, THE AFT CARGO SMOKE DETECTOR (P/N:2119835-6 / S/N:34-A0035) WAS REPLACED AND SENT TO VENDOR FOR TEARDOWN. NO FURTHER EVENTS HAVE OCCURRED.

Part: LIGHT — INOP (CABIN)

NUMEROUS EMERGENCY LIGHTS INOPERATIVE ASSOCIATED WITH COMMON BATTERY PACK FOUND INOPERATIVE DURING A-CHECK. *S/D* FOUND SINGLE EMERGENCY LIGHT ASSEMBLY SHORTED TO GROUND CAUSING ASSOCIATED BATTERY SUPPLY TO BECOME DEPLETED. REPLACED ASSEMBLY AND OPERATIONALLY CHECKED SUCCESSFULLY.

Part: 0RING — CUT (APU)

FIFTEEN MINUTES INTO FLIGHT PASSING FL260 FLIGHT ATTENDANT REPORTED SMOKE COMING FROM DOOR 2 RIGHT AREA. ACCOMPLISHED SMOKE EVACUATION CHECKLIST. FLIGHT RETURNED TO GRU. NO SMOKE INDICATIONS IN E & E OR CARGO BAYS. *S/D* APU 3800550-1, SERIAL NUMBER P1054, THE LOAD COMPRESSOR DISASSEMBLY YIELDED THE FOLLOWING RESULTS: BEARING HOUSING HAD EVIDENCE OF OIL STREAKING FROM THE PARTING SURFACE TO THE AIR INLET. BEARING HOUSING O-RING (M8324-1-158) WAS ROLLED AND HAD A SECTION CUT (SLICED) FROM THE OD APPROX .25 INCH LONG. BEARING CARRIER O-RING (M8324-1-145) CUT (SLICED) IN 3 DIFFERENT SECTIONS FOR A TOTAL OF 3 INCHES OF O-RING MATERIAL REMOVED.

Part: ACTUATOR — FAILED (APU INLET)

APU WOULD NOT START IN THE AIR. *S/D* APU INLET DOOR ACTUATOR (R5365-1) FAILED. ACTUATOR WAS REMOVED AND REPLACED FEB 9,1999 AT IAD. OPS CHK OK. VENDOR ANALYSIS OF REMOVED UNIT INDICATED UNIT WAS COMPLETELY SEIZED. WATER WAS FOUND IN UNIT WHICH RESULTED IN UNIT SEIZURE.

Part: WINDOW — CRACKED (COCKPIT)

APPROXIMATELY ONE HOUR AFTER DEPARTURE, FLIGHT EXPERIENCED PROBLEM WITH RIGHT FORWARD WINDOW ARCING AND CRACKED. FLIGHT RETURNED TO ORD LANDING OVERWEIGHT. PRELIMINARY FINDINGS INDICATES DELAMINATION OF THE ANTI FOG LAYER CAUSING ARCING FROM THE BUS BAR, AND RESULTING IN CRACKING. WINDOW P/N 141W7400-2 WAS REPLACED AND THE AIRPLANE WAS RETURNED TO SERVICE. SUSPECT FAILURE WAS CAUSED FROM WORKMANSHIP.

Part: EEC — MALFUNCTIONED (ENGINE)

APPROXIMATELY ONE HOUR INTO FLIGHT, EICAS STATUS MESSAGE ENG IGN R1, ENG IGN R2 AND ENG FUEL VLV R DISPLAYED. AIRCRAFT RETURNED TO FIELD. *S/D* REPLACED ENGINE EEC. ALL MESSAGES CLEARED. UPDATE: FOUND EICAS STATUS MESSAGES TO BE NUISANCE FAULTS FROM PREVIOUS MAINTENANCE ACTIVITY INVOLVING MOTORING OF THE ENGINE.

Part: GYRO — FAILED (E/E COMPT)

SECONDARY ATTITUDE AIR DATA REFERENCE UNIT (SAARU) FAILURE TWO HOURS AFTER DEPARTING ORD EN ROUTE LHR. RETURNED TO ORD. SUPPLEMENTAL DATA UPDATE SAARU WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. INVESTIGATION BY MANUFACTURER REVEALED A FAILURE OF THE X GYRO IN THE SAARU.

Part: CONTROLLER — FAILED (LEFT)

ACFT DEPARTED MIA WITH RT OVERHEAD PANEL BUSS CONTROLLER DEFERRED. SUBSEQUENTLY LT OVERHEAD PANEL BUS CONTROLLER FAILED. ACFT RETURNED TO MIA. LT OVERHEAD PANEL BUSS CONTROLLER CAME BACK ON LINE ABOUT 3 MINUTES AFTER INITIAL FAILURE. NO HISTORY OF PROBLEMS WITH THE LT OVERHEAD PANEL BUSS CONTROLLER PRIOR TO THIS OCCURRENCE. REPLACED BOTH OVERHEAD PANEL BUSS CONTROLLER UNITS (S/N D00020 AND D00085). OTHER OCCURRENCES OF OVERHEAD PANEL BUSS CONTROLLER FAILURES HAVE BEEN ATTRIBUTED TO DEGRADATION OF THE OPTOISOLATOR IN THE OSCILLATOR CIRCUIT OF THE OVERHEAD PANEL BUSS CONTROLLER. AN IMPROVED PART IS PLANNED FOR SERVICE BULLETIN RELEASE IN JUNE 1997.

Part: ENGINE — LOW POWER (NR 2)

ON TAKEOFF AT GRU (SAO PAULO), NR 2 ENGINE DID NOT DEVELOP FULL TAKEOFF, E.P.R. N1 WAS IN TOLERANCE. TAKEOFF WAS MADE WITH AIR CONDITIONING PACKS OFF. PRELIMINARY INFORMATION INDICATES E.P.R. TARGET FOR NR 2 ENGINE DIFFERENT FROM NR 1 ENGINE TARGET.

Part: CIRCUIT BREAKER — TRIPPED (LE FLAPS)

RETURNED TO BLOCKS, DUE TO A FLAP DISAGREEMENT PROBLEM. *S/D* RESET 'FLAPS ELEC MOT PWR' CIRCUIT BREAKER (C27301) AND 'SLATS ELEC MOT PWR' CIRCUIT BREAKER (C27300).

Part: B-NUT — LOOSE (RUDDER CONTROL)

SMOKE AND ODOR IN CABIN. SMOKE DUE TO INGESTION OF HYDRAULIC FLUID INTO APU AIR INLET. LOOSE B-NUT ON RETURN LINE FOR RUDDER LOWER POWER CONTROL UNIT DETERMINED TO BE SOURCE OF LEAK. B-NUT TIGHTENED, OIL RESIDUE CLEANED UP AND PNEUMATIC AND AIR CONDITIONING DUCTING PURGED USING HIGH TEMPERATURE AIR.