N70353

Part: SKIN — CRACKED (FUSELAGE) · airframe 52,254 hrs · 27,306 cycles

A 2 INCH CRACK WAS FOUND IN FUSELAGE SKIN BELOW THE LT REAR EXTERIOR EMERGENCY EXIT LIGHT, STA 727D - 727E, S23L DURING WALKAROUND. DOUBLERS WERE INSTALLED IAW ECRA 5330-03469. A DIP WAS ISSUED TO PERFORM AN INITIAL INSPECTION WITHIN 60,000 FLIGHT CYCLES FROM REPAIR INSTALLATION AND TO ACCOMPLISH SUBSEQUENT REPEAT INSPECTIONS EVERY 25,000 FLIGHT CYCLES.

Part: BRACE — CRACKED (NR 1 PYLON) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND A 3 INCH CRACK IN NR 1 ENGINE AFT LOWER PYLON AREA DIAGONAL BRACE. THE DIAGONAL BRACE WAS REMOVED AND REPLACED IAW MM 54-10-01.

Part: BEARING — DAMAGED (NLG TRUNNION) · airframe 49,101 hrs · 25,731 cycles

NOSE GEAR, LEFT TRUNNION BEARING IN BULKHEAD PITTED. REPAIRED PER ECRA 53543-01013.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

A CRACK WAS FOUND IN THE LONGITUDINAL FLOORBEAM UPPER CHORD AT ITS ATTACHMENT TO THE TRANSVERSE FLOORBEAM AT STA 727B, RBL 45. THE CRACK WAS LOCATED ON THE I/B SIDE OF THE LONGITUDINAL FLOORBEAM AT THE SECOND HI-LOK FASTENER HOLE FORWARD OF STA 727B. THE CRACK RAN FROM THE I/B EDGE OF THE LONGITUDINAL FLOORBEAM TO THE HI-LOK FASTENER HOLE. THE FLOORBEAM WAS REPAIRED IAW ECRA 5321-01187.

Part: FITTING — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

VERTICAL STABILIZER AFT ATTACH LUG, FWD FAILSAFE FITTING CORRODED. INSTALLED NEW FITTING PER SRM 51-40-02 & 51-40-03.

Part: BEARING — DAMAGED (NLG TRUNNION) · airframe 49,101 hrs · 25,731 cycles

NOSE GEAR, RIGHT TRUNNION BEARING IN BULKHEAD FITTING PITTED. REPAIRED PER ECRA 5343-01013.

Part: STICK SHAKER — WILL NOT TEST (STALL WARNING) · airframe 49,101 hrs · 25,731 cycles

CAPTAINS STICK SHAKER WILL NOT TEST. REPLACED STICK SHAKER PER AMM 27-32-31.

Part: INTERCOSTAL — WORN (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INTERCOSTAL CHANNEL BELOW APU BLEED AIR DUCT AT STA 639 WORN. REPLACED INTERCOSTAL PER SRM 51-10-2.

Part: FITTING — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

VERTICAL STABILIZER AFT LEFT ATTACH LUG, AFT FAILSAFE FITTING CORRODED. INSTALLED NEW FITTING PER SRM 51-40-02 & 51-40-03.

Part: SKIN — DENTED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

FUSELAGE SKIN DENTED BETWEEN STA 986.5 AND 1006, 3 PLACES, .1562 INCH DIA. REPAIRED PER SRM 53-00-01.

Part: SKIN — DENTED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

FUSELAGE DENT AFT OF BS 986.5+4, 12 INCHES ABOVE DRAIN MAST. REPAIRED PER SRM 53-00-01.

Part: SKIN — DENTED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

FUSELAGE DENTED AT BS 1006 MINUS 4 INCHES, 12 INCHES ABOVE DRAIN MAST. REPAIRED PER SRM 53-00-01.

Part: FRAME — CRACKED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

UPPER FLANGE CRACKED AT STA 500 1 X 1 INCH. INSTALLED DOUBLER PER SRM 51-70-11, FIG 1.

Part: SEAT TRACK — WORN (COCKPIT) · airframe 49,101 hrs · 25,731 cycles

FIRST OFFICERS SEAT TRACK WORN, 6 HOLES. REPLACED SEAT TRACK PER 25-11-11.

Part: SEAT TRACK — WORN (COCKPIT) · airframe 49,101 hrs · 25,731 cycles

CAPTAINS SEAT TRACK WORN, 6 HOLES. REPLACED TRACK PER AMM 25-11-11.

Part: MOUNT BRACKET — CRACKED (NR 2 VHF ANTENNA) · airframe 49,101 hrs · 25,731 cycles

CRACK (3.5 INCH) IN MOUNT FOR NUMBER TWO VHF ANTENNA IN FORWARD CARGO COMPARTMENT. REPLACED MOUNT PER SRM 51-40-02.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

STRINGER 27L HAS HEAVY CORROSION FROM STA 955 TO APB (5 FT). REMOVED AND REINSTALLED NEW STRINGER SECTION AT 27 LEFT STA 907 TO 1016 PER SRM 51-10-02.

Part: MOUNT — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

FORWARD LAV MOUNT CORRODED AT STA 300 LBL 10. REMOVED AND REPLACED DAMAGED MOUNT PER SRM 51-10-02.

Part: MOUNT — CORRODED (LAVATORY) · airframe 49,101 hrs · 25,731 cycles

FORWARD CABIN LAV MOUNT AT STATION 300 LBL 42 CORRODED. REMOVED AND REPLACED MOUNT PER SRM 51-10-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

PAX FLOOR STATION 312 FLOORBEAM STRAP HAS LITE CORROSION. INSTALLED NEW SECTION OF FLOORBEAM PER SRM 53-10-51.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

SEAT TRACK CORRODED (10 INCHES) BETWEEN FLOOR STATION 328 AND 346. REPLACED CORRODED SEAT TRACK PER SRM 53-00-52.

Part: SHEAR WEB — CRACKED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND A .5 INCH CRACK IN AFT CABIN SHEAR WEB AT STA 927-947.5, BL 0. A REPAIR WAS INSTALLED IAW BOEING DRAWING 69-36656.

Part: BRACKET — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND FLOOR BRACKET (GIRT BAR LATCH TIE DOWN) AT STA 344, LBL 54 CORRODED. THE BRACKET WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND SEAT TRACK CORRODED AT STA 270-294, RBL 40. THE SEAT TRACK WAS REPLACED IAW SRM 51-10-02.

Part: BRACKET — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND FLOOR BRACKET (GIRT BAR TIE DOWN) CORRODED AT STA 312, LBL 52. THE BRACKET WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: CHANNEL — CORRODED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND L-1 DOOR CUTOUT CHANNEL CORRODED AT STA 312-344. THE CHANNEL WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: BULKHEAD — WRINKLED (FUSELAGE) · airframe 49,101 hrs · 25,731 cycles

INSPECTION FOUND STRAP ON AFT FACE OF AFT PRESSURE BULKHEAD BULDGED/WRINKLED BETWEEN STRINGER 6L AND 8L, LBL 40. THE STRAP WAS REMOVED AND A REPAIR STRAP AND FILLER WERE INSTALLED IAW ECRA 5310-04310.

Part: PANEL — CRACKED (RT WING) · airframe 48,639 hrs · 25,480 cycles

INSPECTION FOUND A .75 INCH CRACK IN RT WING NR 6 SLAT AUX TRACK AT I/B AUX TRACK CUTOUT (FIXED L/E PANEL). THE CRACK WAS STOP DRILLED IAW SRM 57-41-01, FIGURE 101, SHEET 4, NOTE O AND P. THE CRACK WAS PLACED ON DIP TO REINSPECT EVERY 400 HOURS AND REPAIR WITHIN 24 MONTHS OR NEXT CHECK.

Part: WEB — CORRODED (AFT BAG BIN) · airframe 46,068 hrs · 24,002 cycles

INSPECTION FOUND UPPER SURFACE OF AFT BAGGAGE BIN LOWER THRESHOLD WEB CORRODED. THE THRESHOLD WEB WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: SKIN — CRACKED (STA 380) · airframe 46,068 hrs · 24,002 cycles

INSPECTION FOUND A 0.15" CRACK IN SKIN AT A/C ACCESSORY COOLING EXHAUST OUTLET ON AFT SIDE, STA 380, S27L. A REPAIR DOUBLER WAS INSTALLED IAW ECRA 5330-02894.

Part: FLOORBEAM — CORRODED (STA 312) · airframe 46,068 hrs · 24,002 cycles

INSPECTION FOUND FLOORBEAM CORRODED AT FASTENER HOLE, STA 312, RBL 37. THE CORRODED SECTION OF FLOORBEAM WAS REMOVED AND REPLACED IAW SRM 53-10-51.

Part: KEELBEAM — WORN (FUSELAGE) · airframe 46,068 hrs · 24,002 cycles

INSPECTION FOUND THREE FASTENER HOLES WITH WASHERS THAT HAD WORN INTO THE KEEL BEAM ON LT SIDE I/B OF MLG WHEEL WELL AT STA 699-727. A REPAIR WAS INSTALLED IAW ECRA 5310-03740, REV A.

Part: DIODE — DISCONNECTED (MLG LEVER) · airframe 46,019 hrs · 23,971 cycles

THE LANDING GEAR WOULD NOT RAISE AFTER TAKEOFF FROM RDU. THE GEAR HANDLE WOULD NOT MOVE PAST THE OFF POSITION. THE AIRCRAFT WAS RETURNED TO RDU WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THAT JUMPER, DIODE M416, ON BACK OF THE GEAR LEVER ASSEMBLY WAS POPPING LEVER LATCH CIRCUIT BREAKER WHEN HOOKED INTO SYSTEM. THE DIODE WAS FOUND MIS-CONNECTED. THERE WAS NO HISTORY OF WORK IN THIS AREA AND NO PREVIOUS WRITEUPS FOR THIS PROBLEM. THE DIODE WAS RECONNECTED IAW WIRING DIAGRAM 31-31-01 AND ALL GROUND OPERATION WAS NORMAL.

Part: DIODE — FAULTY (SOL, LEVER LCK) · airframe 44,362 hrs · 23,047 cycles

THE LANDING GEAR TRIGGER LOCK OVERRIDE WAS REQUIRED TO RAISE THE GEAR AFTER TAKEOFF FROM EWR. IN ADDITION, THE "LAND GEAR LATCH AND PRESS WARNING" CIRCUIT BREAKER POPPED AND WOULD NOT RESET. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED SAFELY. MAINTENANCE FOUND THE M416 DIODE LOCATED AT THE LANDING GEAR LEVER LATCH SOLENOID INTERMITTENTLY BLEEDING THROUGH. THE M416 DIODE WAS REPLACED IAW STANDARD WIRING PRACTICES, WIRING DIAGRAM MANUAL 32-31-01, PAGE 901. AN OPERATIONAL CHECK PERFORMED IAW MM 32-31-31 WAS GOOD.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 39,833 hrs · 20,705 cycles

INSPECTION FOUND A .25 INCH CRACK ON FORWARD BULKHEAD AT STA 178, RBL 5.7, WL 198. THE AREA WAS REPAIRED IAW EA 5310-03040 AND ECRA 5310-04037.

Part: FLOORBEAM — MISMANUFACTURED (CABIN) · airframe 39,821 hrs · 20,697 cycles

THE RT SIDE FLOORBEAM AT BS 1016 WAS FOUND TO HAVE AN INSUFFICIENT NUMBER OF FASTENERS DURING ACCOMPLISHMENT OF FCD 5321-01052. REPAIRED IAW ECRA 5310-03851 REVISION A.

Part: FLOORBEAM — CORRODED (CABIN) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND FLOORBEAM UPPER CHORD CORRODED AT NUT CLIPS, BS 986.5. REPAIRED IAW ECRA 5310-03851.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND ANGLE CORRODED AT RT SIDE OF FUSELAGE, BS 251.6, BL 0. THE ANGLE WAS REMOVED AND REPLACED IAW SRM 51-40-00.

Part: STIFFENER — CRACKED (FUELAGE) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND VERTICAL STIFFENERS CRACKED THROUGH (2 INCH CRACK) IN MLG W/W AT BS 664, RBL 6 AND LBL 6. THE VERTICAL STIFFENERS WERE REMOVED AND REPLACED IAW SRM 51-40-01 AND 51-10-02.

Part: CARGO TRACK — CORRODED (FUSELAGE) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND CORROSION AROUND SCREW HOLES ON TIE DOWN RAIL AT BS 727 - 947.5, RBL 13. REPAIRED IAW SRM 53-00-53, PAGE 205, FIGURE 205.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND RIGHT I/B SEAT TRACK CORRODED AT BS 907 - 935, AFT GALLEY FLOOR AREA. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52.

Part: SKIN — CRACKED (LT PYLON) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND A 1 INCH CRACK IN LT ENGINE PYLON TOP CUTOUT PANEL NR 5727. AN INTERIM REPAIR WAS PERFORMED IAW ECRA 5430-01230. A DIP WAS INITIATED TO REINSPECT THE SKIN AND DOUBLER FOR CRACK GROWTH EVERY 150 FLIGHT CYCLES UNTIL TIP OF CRACK REACHES PRODUCTION FASTENER HOLE.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND RIGHT O/B SEAT TRACK CORRODED IN AFT GALLEY MOUNT AREA AT BS 917. THE TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52, PAGE 213.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 39,821 hrs · 20,697 cycles

INSPECTION FOUND FLOORBEAM UPPER T-CHORD CORRODED AT STA 344, LBL 49 TO RBL 2. THE UPPER T-CHORD WAS REMOVED AND REPLACED IAW SRM 53-10-51, PAGE 222.

Part: BATTERY PACK — INOPERATIVE (CABIN) · airframe 39,461 hrs · 20,514 cycles

INSPECTION FOUND LT OVERWING EMERGENCY LIGHT INOPERATIVE. THE BATTERY PACK WAS REMOVED AND REPLACED. OPERATION OF THE LIGHT WAS RESTORED.

Part: SKIN — DELAMINATED (RT TE FLAP)

INSPECTION FOUND RT OUTBOARD FLAP TRAILING EDGE INBOARD SIDE DELAMINATED. THE FLAP WAS REPAIRED IAW ECRA 5750-02806.

Part: FLOOR BEAM — CORRODED (BS 344)

INSPECTION FOUND FLOOR BEAM CORRODED AT SCREW HOLES, STA 344. THE CORRODED AREA WAS CUT OUT AND A FLOOR BEAM WAS INSTALLED IAW SRM 53-10-51.

Part: FLOOR BEAM — CORRODED (BS 986)

INSPECTION FOUND FLOOR BEAM UPPER CHORD CORRODED AT STA 986. THE CORRODED CHORD WAS REMOVED AND A NEW CHORD WAS FABRICATED AND INSTALLED IAW SRM 53-10-51.

Part: WEB — CORRODED (BS 986-1016)

INSPECTION FOUND RIGHT AFT LAV OUTBOARD FLOOR WEB CORRODED AT STA 986 TO 1016. THE WEB WAS REPLACED IAW SRM 51-10-2.

Part: INTERCOSTAL — CORRODED (BS 993)

INSPECTION FOUND THE RIGHT AFT LAV WALL FLOOR SUPPORT INTERCOSTAL CORRODED AROUND SCREW HOLES AT STA 993. A FLOOR SUPPORT WAS INSTALLED IAW SRM 51-10-02 AND 5310-03298.

Part: INTERCOSTAL — CORRODED (BS 951)

INSPECTION FOUND INTERCOSTAL CORRODED AT BS 951, LBL 20. THE INTERCOSTAL WAS REPLACED IAW ECRA 5310-03298.

Part: WEB — CORRODED (BS 1006-1026)

INSPECTION FOUND FLOOR WEB SUPPORT CORRODED AT STA 1006 TO 1026. THE WEB WAS REMOVED AND REPLACED IAW SRM 51-20-2.

Part: FLOOR BEAM — CORRODED (BS 947.5)

INSPECTION FOUND AFT CABIN FLOOR BEAM CHORD AT STA 947.5 CORRODED AROUND SCREW HOLES NEAR CENTERLINE. THE CHORD WAS REMOVED AND REPLACED IAW SRM 53-00-51.

Part: ANGLE — CORRODED (BS 344-360)

INSPECTION FOUND Z-ANGLE CORRODED BETWEEN BS 344 AND 360. THE ANGLE WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: SUPPORT — CORRODED (BS 1016)

INSPECTION FOUND THREE LEFT AFT LAV FLOOR SUPPORTS CORRODED AT STA 1016. FLOOR SUPPORTS WERE FABRICATED AND INSTALLED IAW BOEING DRAWING NR 65-46812.

Part: ANGLE — CORRODED (BS 945-1016)

INSPECTION FOUND L-2 DOOR FLOOR THRESHOLD Z-ANGLE CORRODED AT STA 945 TO 1016. THE ANGLE WAS REPLACED IAW SRM 51-10-02.

Part: FLOOR BEAM — CORRODED (BS 328)

INSPECTION FOUND CORROSION ON FLOOR BEAM AT BS 328, RBL 18. THE CORRODED AREA WAS CUT OUT, A CHORD REPAIR INSTALLED IAW SRM 53-10-51, FIGURE 205.

Part: INTERCOSTAL — CORRODED (BS 294-312)

INSPECTION FOUND INTERCOSTAL CORRODED AT BS 294 TO 312. THE INTERCOSTAL WAS REMOVED AND A NEW INTERCOSTAL WAS FABRICATED AND INSTALLED IAW SRM 51-30-2.

Part: ANGLE — CORRODED (BS 945-1000)

INSPECTION FOUND R-2 DOOR FLOOR THRESHOLD Z-ANGLE CORRODED AT STA 945 TO 1000. THE ANGLE WAS REPLACED IAW SRM 51-10-2.

Part: ANGLE — CORRODED (R1 DOOR)

INSPECTION FOUND Z-ANGLE AT R-1 DOOR CORRODED. THE ANGLE WAS REPLACED IAW SRM 51-10-2.

Part: WEB — CORRODED (BS 1016)

INSPECTION FOUND LEFT AND RIGHT AFT LAV FLOOR WEB CORRODED FROM STA 1016 TO AFT PRESSURE BULKHEAD. THE WEB WAS REMOVED AND REPLACED IAW SRM 51-20-2.

Part: INTERCOSTAL — CORRODED (BS 328-344)

INSPECTION FOUND INTERCOSTAL CORRODED AT BS 328 TO 344. A NEW INTERCOSTAL WAS FABRICATED AND INSTALLED IAW ECRA 5310-03298.

Part: FLOOR BEAM — CORRODED (BS 312)

INSPECTION FOUND FLOOR BEAM CORRODED AT BS 312. DOUBLERS WERE INSTALLED IAW SRM 53-10-51.

Part: INTERCOSTAL — CORRODED (BS 312-328)

INSPECTION FOUND INTERCOSTAL CORRODED AT BS 312 TO 328. THE INTERCOSTAL WAS REPLACED IAW SRM 51-10-2.

Part: CIRCUIT BREAKER — INOPERATIVE (NR 1 XSFER BUS)

PHL - FLT 1798 - ALL NORMAL POWER FAILED WHILE EN ROUTE FROM IAH TO PHL, WHEN THE NR 1 NORMAL TRANSFER BUS CIRCUIT BREAKER TRIPPED APPROXIMATELY 300 MILES FROM PHL. THE AIRCRAFT WAS ON BATTERY POWER ONLY. THE AIRCRAFT LANDED AT PHL WITHOUT INCIDENT. MAINTENANCE OPERATED THE BUS TRANSFER SYSTEM OFF APU AND NR 1 ENGINE GENERATOR POWER. THE FAILURE COULD NOT BE DUPLICATED. THE NR 1 NORMAL TRANSFER BUS CIRCUIT BREAKER WAS REPLACED AS A PRECAUTIONARY MEASURE. OPERATION CHECKED GOOD ON THE GROUND. (X)