N76354

Part: SKIN — CRACKED (BS 727 S22-23L) · airframe 56,245 hrs · 29,218 cycles

INSPECTION FOUND A 1.5 INCH CRACK IN LEFT FUSELAGE SKIN AT STA 727, S22L-23L, AT APPROXIMATELY EIGHT INCHES AFT AND ABOVE EMERGENCY LIGHT. REPAIRED IAW ECRA 5330-03681.

Part: SPAR — CORRODED (HORIZONTAL STAB) · airframe 53,207 hrs · 27,809 cycles

INSPECTION FOUND THE LT HORIZONTAL STABILIZER REAR SPAR UPPER CHORD WAS FOUND CORRODED JUST O/B OF STAB STA 166.30. THE REAR SPAR UPPER CHORD WAS REPAIRED IAW ECRA 5510-01847.

Part: FRAME — CORRODED (BULKHEAD) · airframe 53,208 hrs · 27,809 cycles

LOWER FORWARD BULKHEAD CORROSION AT STA 227.

Part: ATTACH BRACKET — CRACKED (TE FLAP FAIRING) · airframe 53,208 hrs · 27,809 cycles

LT WING UPPER SURFACE T/E PANEL ATTACH BRACKET CRACKED O/B OF NR 3 FLAP FAIRING. REPLACE BRACKET PER 51-40-02.

Part: SHEAR TIE — CORRODED (BS 827 S26-27R) · airframe 53,208 hrs · 27,809 cycles

SHEAR TIE CORRODED AT STA 827 BETWEEN S26R AND S27R. REPLACED SHEAR TIE PER SRM 53-00-07.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 53,208 hrs · 27,809 cycles

FWD BAG BIN VHF ANTENNA BRACKET CRACKED. REPLACED BRACKET PER SRM 51-40-02.

Part: SHEAR TIE — CORRODED (BS 847 S26-27R) · airframe 53,208 hrs · 27,809 cycles

SHEAR TIE CORROSION AT STA 847 BETWEEN S26R AND S27R. REPLACED SHEAR TIE PER SRM 53-60-07.

Part: SKIN — CRACKED (BS 727D) · airframe 52,566 hrs · 27,528 cycles

INSPECTION FOUND A 1.3 INCH CRACK IN FUSELAGE SKIN AT STA 727D, S23R. THE CRACKED AREA WAS TRIMMED OUT AND A REPAIR WAS INSTALLED IAW ECRA 5330-03516.

Part: OVEN — NONE (FWD GALLEY) · airframe 52,415 hrs · 27,448 cycles

CREW OBSERVED SMOKE ENTERING COCKPIT WHILE IN CRUISE. 1ST CLASS OVENS WERE IN USE. FLT ATTENDANT TURNED OFF 1ST CLASS OVENS & SMOKE CEASED. FLT CONTINUED & LANDED WITHOUT FURTHER PROBLEM. VISUAL INSPECTION PERFORMED BEHIND OVENS, COFFEEMAKER, & P-6 PANELS, NO DEFECTS NOTED. BOTH 1ST CLASS OVENS R & R AS A PRECAUTION IAW MM 25-34-34. OPS CHKS GOOD, NO SMOKE NOTED. PREVIOUS FLT EXPERIENCED SMOKE IN COCKPIT/CABIN & SOURCE DETERMINED TO BE A BURNED LOAF OF BREAD WRAPPED IN A PLASTIC BAG INSIDE FWD GALLEY OVEN. TEARDOWN REPORTS FOUND NO FAULT WITH ONE OVEN. SMOKE A RESULT OF BURNING RESIDUE IN OVERHEATED OVEN.

Part: WIRE — BROKEN (CABIN) · airframe 48,495 hrs · 25,538 cycles

THE ROW 8ABC EMERGENCY LIGHT WAS FOUND INOPERATIVE. MAINTENANCE FOUND A BROKEN WIRE. THE WIRE WAS REPAIRED IAW MM 20-20-00 AND 33-51-21.

Part: KEELBEAM — DAMAGED (FUSELAGE) · airframe 47,703 hrs · 25,114 cycles

INSPECTION FOUND LEFT AND RIGHT LOWER KEEL BEAM WITH ELONGATED HOLES AT STA 741. REPLACED KEEL BEAM LOWER CHORDS IAW ECRA 5311-01183.

Part: KEELBEAM — CRACKED (FUSELAGE) · airframe 47,702 hrs · 25,113 cycles

MAINTENANCE DISCOVERED CRACKS ON THE LEFT HAND AND RIGHT HAND KEELBEAM LOWER CHORD AT STA 727 +14.40. THE NUMBER OF CRACKS AND LENGTH WAS NOT IDENTIFIED. THE EXISTING KEELBEAM LOWER CHORDS WERE CUT OUT AND NEW REPAIR SECTIONS WERE SPLICED IN IAW ECRA 5311-01184.

Part: FITTING — CORRODED (HORIZ STAB) · airframe 47,702 hrs · 25,113 cycles

INSPECTION FOUND LT HORIZONTAL STABILIZER ATTACH LUG FWD UPPER BUSHING FACE PITTED. REMOVED BUSHING AND FOUND CORROSION ON AFT FACE. SPOT FACED 0.023 INCH AND INSTALLED NEW BUSHING PER SRM 55-10-10.

Part: FITTING — CORRODED (HORIZ STAB) · airframe 47,702 hrs · 25,113 cycles

INSPECTION FOUND RT HORIZONTAL STABILIZER AFT UPPER ATTACH, FWD ATTACH LUG CORRODED AROUND BUSHING AND FACE OF LUG. REMOVED BUSHING AND FOUND CORROSION ON ID AND BOTH FACES. SPOT FACED 0.012 INCH AND REAMED BORE ID TO 1.530 INCH. FABRICATED AND INSTALLED OVERSIZE BUSHING PER SRM 55-10-10.

Part: FITTING — CORRODED (HORIZ STAB) · airframe 47,702 hrs · 25,113 cycles

INSPECTION FOUND LT HORIZONTAL STABILIZER AFT UPPER ATTACH FWD LUG CORRODED AROUND BUSHING AND FACE OF LUG. REMOVED BUSHING, FOUND CORROSION ON ID AND BOTH FACES. SPOT FACE 0.013 INCH DEEP AND REAMED BORE ID TO 1.5795 INCH. FABRICATED AND INSTALLED OVERSIZE BUSHING PER SRM 55-10-10.

Part: STIFFENER — CORRODED (FUSELAGE) · airframe 47,702 hrs · 25,113 cycles

INSPECTION FOUND CHANNEL STIFFENER ON AFT PRESSURE BULKHEAD CORRODED AT STA 1016, BL 0, BETWEEN S27L AND S27R. THE STIFFENER WAS REPAIRED IAW BOEING DRAWING 65C28106 AND EA 5310-04045, OPERATION 2.

Part: FRAME — CRACKED (FUSELAGE) · airframe 47,702 hrs · 25,113 cycles

INSPECTION FOUND A 2 INCH CRACK IN FRAME AT STA 616, LBL 65.5, WL 200. THE FRAME WAS REPAIRED IAW ECRA 5311-01158.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 47,702 hrs · 25,113 cycles

INSPECTION FOUND CABIN FLOORBEAM UPPER CHORD CORRODED AT STA 328, LBL 30. A REPAIR WAS INSTALLED IAW SRM 53-10-51.

Part: FUSE — BLOWN (POWER PACK) · airframe 45,894 hrs · 24,068 cycles

THE EMERGENCY EXIT AISLE LIGHTS AT ROW 12 - 20 WERE FOUND INOPERATIVE DURING SERVICE CHECK. MAINTENANCE FOUND REAR EMERGENCY LIGHT POWER PACK FUSES BLOWN. THE FUSES WERE REMOVED AND REPLACED AND OPERATION OF THE EMERGENCY LIGHTS CHECKED GOOD.

Part: SKIN — CORRODED (STA 494) · airframe 43,736 hrs · 22,819 cycles

INSPECTION FOUND LOWER FUSELAGE SKIN BULGED AND CORRODED AT STA 494, S27R. A SKIN DOUBLER, TRIPLER, AND FILLER WERE INSTALLED IAW ECRA 5331-01108.

Part: STRINGER — CORRODED (BS 500D - 520)

INSPECTION FOUND STRINGER 28R CORRODED AT STA 500D-520. THE CORRODED AREA OF STRINGER WAS CUT OUT AND A REPAIR DOUBLER WAS INSTALLED IAW SRM 53-30-12, FIGURE 202.

Part: FLOORBEAM — TORN (BS 312)

INSPECTION FOUND FLOORBEAM WEB TORN AT UPPER FLANGE AT STA 312, BL 0 TO LBL 20. REPAIRED IAW ECRA 5310-03972.

Part: SEAT TRACK — CORRODED (BS 270 - 294)

INSPECTION FOUND G-1 GALLEY FLOOR TRACK CORRODED AT STA 270-294, RBL 45. THE FLOOR TRACK WAS REMOVED AND REPLACED IAW SRM 53-10-2.

Part: FLOORBEAM — CORRODED (BS 328)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 328, LBL 30 AND BL 0 TO RBL 1. THE CORRODED SECTIONS OF FLOORBEAM WERE REMOVED AND REPLACED IAW SRM 53-10-51.

Part: SEAT TRACK — CORRODED (BS 907 - 927)

INSPECTION FOUND RT O/B SEAT TRACK CORRODED AT STA 907-927. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52.

Part: SEAT TRACK — CORRODED (BS 344 - 360)

INSPECTION FOUND LT O/B SEAT TRACK CORRODED AT STA 344-360. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-10-02.

Part: FITTING — CRACKED (MLG)

INSPECTION FOUND A 1 CRACK IN LANDING GEAR SUPPORT BEAM OUTER ATTACH FITTING AT AFT SPAR. THE FITTING WAS REMOVED AND REPLACED IAW ECRA 5740-01423.

Part: SEAT TRACK — CORRODED (BS 927)

INSPECTION FOUND RT I/B SEAT TRACK CORRODED AT STA 927. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52.

Part: SELECT VALVE — INOPERATIVE (LT MLG WW)

FLT NR 0356 - BOS - THE LANDING GEAR INADVERTENTLY REMOVED WHILE CLIMBING THROUGH 17,000 FEET WITH THE GEAR HANDLE IN THE OFF POSITION. THE GEAR HANDLE WAS MOVED TO THE UP POSITION AND THE LANDING GEAR RETRACTED. WHEN THE GEAR WAS EXTENDED FOR LANDING, EXTENSION WAS NORMAL AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENACNE FOUND THE L/G CONTROL SELECTOR VALVE AT FAULT. THE VALVE WAS REMOVED AND REPLACED AND LEAK CHECK WAS GOOD. A LANDING GEAR TEST WAS PERFORMED PER MM 32-31-51 AND A LANDING GEAR CONTROL ADJUSTMENT AND TEST WAS PERFORMED PER MM 32-31-00. IN ADDITION, A LANDING GEAR DOWN OVERSPEED CONDITION CHECK WAS PERFORMED PER MM 05-51-47. NO DEFECTS WERE NOTED. (W)