N76355

Part: SKIN — CRACKED (AFT CARGO DOOR) · airframe 58,244 hrs · 30,105 cycles

THE RAMP FOUND A 3.5 INCH CRACK IN AFT CARGO DOOR SKIN ABOVE FORWARD DOOR CUTOUT. DOUBLERS WERE INSTALLED IAW ECRA 5232-01096. A DIP WAS INITIATED TO ACCOMPLISH A PERMANENT REPAIR WITHIN SIX MONTHS.

Part: SKIN — CORRODED (LT WING) · airframe 57,155 hrs · 29,601 cycles

INSPECTION FOUND LT WING SKIN CORRODED FORWARD OF NR 3 SPOILER, I/B HINGE POINTS, APPROX WS 311.37. REPAIRED IAW ECRA 5720-02022.

Part: SKIN — CORRODED (LT WING) · airframe 57,155 hrs · 29,601 cycles

INSPECTION FOUND LT WING SKIN CORRODED ON TOP SURFACE AT APPROX WS 175 JUST FORWARD OF TRAPEZOIDAL PANEL NEAR CENTER LINE. LOCATED ABOUT 17 FASTENERS I/B OF O/B TIP OF TRAPEZOIDAL PANEL FORWARD OF NR 4 SPOILER. REPAIRED IAW ECRA 5720-02022.

Part: WIRE HARNESS — UNKNOWN (CABIN) · airframe 56,568 hrs · 29,316 cycles

FOUND EMERGENCY LIGHT ON SEAT 21C INOP. REPAIRED IAW AMM 33-51-81.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 56,568 hrs · 29,316 cycles

FOUND EMERGENCY LIGHT ON SEAT 12C INOP. REPAIRED IAW AMM 33-51-81.

Part: SKIN — CRACKED (FUSELAGE) · airframe 51,559 hrs · 27,000 cycles

INSPECTION FOUND 1.625 INCH CRACK IN FUSELAGE SKIN AT STA 727E, S22R TO S23R. SKIN REPAIRED IAW ECRA 5330-03459.

Part: ACTUATOR — INOPERATIVE (LT MLG) · airframe 51,302 hrs · 26,881 cycles

THE LT MLG GREEN LIGHT DID NOT ILLUMINATE FOR SEVERAL MINUTES WHEN GEAR WAS EXTENDED ON APPROACH INTO IAH. THE AIRCRAFT LANDED WITHOUT INCIDENT. WHEN MAINTENANCE PERFORMED A GEAR SWING THE LT MAIN GEAR DID NOT EXTEND, BUT MANUAL EXTENSION WAS GOOD. THE LT MLG UPLOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-32-41. IN ADDITION, THE GEAR WAS LUBRICATED AND THE LT MLG DOWNLOCK SENSOR WAS CHECKED AND FOUND WITHIN LIMITS. AN ADJUSTMENT/TEST WAS PERFORMED IAW MM 32-32-00 AND ALL OPERATION CHECKED GOOD.

Part: SKIN — CRACKED (FUSELAGE) · airframe 49,802 hrs · 26,150 cycles

INSPECTION FOUND A 2 INCH CRACK IN FUSELAGE SKIN BETWEEN STA 727D AND 727E AT S22L. REPAIRED IAW ECRA 5330-03388.

Part: SKIN — CRACKED (FUSELAGE) · airframe 49,802 hrs · 26,150 cycles

MAINTENANCE NOTED A 2 INCH CRACK IN THE FUSELAGE SKIN AT STRINGER 22L, BETWEEN STA 727D AND 727E. THE SKIN WAS REPAIRED IAW ECRA 5330-03388.

Part: SKIN — CRACKED (FUSELAGE) · airframe 49,408 hrs · 25,943 cycles

A 2.5 INCH CRACK WAS FOUND IN THE RT FUSELAGE SKIN AT STA 727 UNDER THE EMERGENCY EXIT LIGHT. A SKIN REPAIR WAS INSTALLED IAW ECRA 5330-03090.

Part: SKIN — DAMAGED (LT WING AILERON) · airframe 49,159 hrs · 25,819 cycles

INSPECTION FOUND THE LT AILERON DAMAGED ON THE LOWER BONDED SKIN PANEL. THE DAMAGE WAS REMOVED AND A REPAIR WAS INSTALLED IAW ECRA 5751-01058.

Part: STIFFENER — CORRODED (BULKHEAD) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND APB VERTICAL STIFFENER CORRODED ON BOTTOM SIDE AT STA 1016, BBL 0. REPAIRED IAW ECRA 5311-01200.

Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND APB WEB CORRODED ON BOTTOM SIDE AT STA 1016, BBL 0. REPAIRED IAW ECRA 5311-01200.

Part: SKIN — CRACKED (NR 3 SLAT) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND A 2 INCH CRACK IN NR 3 SLAT SKIN LOWER EDGE AT RIVET HOLES ADJACENT TO ACTUATOR. THE CRACKED AREA WAS CUT OUT AND A DOUBLER WAS INSTALLED IAW SRM 57-43-01, FIGURE 206.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND RIGHT O/B SEAT TRACK CORRODED AT STA 910-927. THE CORRODED SECTION OF SEAT TRACK WAS REPLACED IAW SRM 53-00-52.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND SHEAR TIE CORRODED IN E&E COMPARTMENT AT STA 360, LBL 5 BETWEEN S28L AND S29L. THE CORRODED SECTION OF SHEAR TIE WAS CUT OUT AND REPAIRED IAW SRM 53-00-07, FIGURE 207, REPAIR 1.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND LEFT I/B SEAT TRACK CORRODED AT STA 907-927. THE CORRODED SECTION OF SEAT TRACK WAS REMOVED AND A NEW SEAT TRACK WAS INSTALLED IAW SRM 53-00-52.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND STRINGER 27L CORRODED AT STA 986.5. THE CORRODED SECTION OF STRINGER WAS CUT OUT AND A NEW STRINGER, HAT SECTIONS, FILLER, AND SHIMS WERE INSTALLED IAW SRM 53-00-03, DETAIL 6.

Part: CARGO TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND CARGO TRACK TIE DOWN RAIL IN AFT BAGGAGE BIN CORRODED AT STA 787-847, RBL 30, JUST ABOVE S27R. THE CARGO TRACK TIE DOWN RAIL WAS REMOVED AND REPLACED IAW SRM 53-00-53.

Part: SHEAR WEB — CRACKED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND A .75 INCH CRACK IN SHEAR WEB AT LEFT SIDE OF FLOORBEAM WEB, STA 277, S18L. THE CRACKED AREA WAS CUT OUT AND A SHEAR TIE WAS INSTALLED IAW SRM 53-00-07.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 340-360, RBL 20. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

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

Part: FRAME — CRACKED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND A 2 INCH CRACK IN FRAME AT STA 616, S17L. THE CRACKED SECTION OF FRAME WAS CUT OUT AND A REPAIR ANGLE AND FILLER WERE INSTALLED IAW ECRA 5311-01158.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FLOORBEAM CORRODED AT STA 328, RBL 20. THE CORRODED AREA OF FLOORBEAM WAS REMOVED AND A NEW UPPER CHORD AND REPAIR SPLICE WERE INSTALLED IAW SRM 53-10-51.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND TWO FLOOR SUPPORTS CORRODED BETWEEN STA 312 AND 344, LBL 15. THE FLOOR SUPPORTS WERE REMOVED AND NEW SUPPORTS WERE INSTALLED IAW ECRA 5310-03585 AND SRM 51-10-02.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FORWARD ENTRY LEFT I/B SEAT TRACK CORRODED AT STA 360-380. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FORWARD ENTRY RIGHT I/B SEAT TRACK CORRODED BETWEEN STA 328 AND 344. THE SEAT TRACK WAS REMOVED AND A NEW SEAT TRACK WAS INSTALLED IAW SRM 53-00-52.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FORWARD ENRTY RIGHT O/B SEAT TRACK CORRODED BETWEEN STA 344 AND 360. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 53-00-52.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 312-328, RBL 10.8. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND FORWARD ENTRY FLOORBEAM UPPER CHORD CORRODED AT STA 312, LBL 30 TO RBL 48. THE FLOORBEAM WAS REPAIRED IAW SRM 53-10-51.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 49,160 hrs · 25,819 cycles

INSPECTION FOUND SEAT TRACK CORRODED BETWEEN STA 277 AND 294.5 UNDER RIGHT GALLEY. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: SKIN — CRACKED (L/H PYLON) · airframe 45,825 hrs · 24,005 cycles

INSPECTION FOUND A 2" CRACK IN L/H ENGINE PYLON SKIN AT PANEL #5727L. A REPAIR DOUBLER WAS INSTALLED IAW ECRA 5430-01230, REV. B.

Part: STIFFENER — CRACKED (STA 500-500A) · airframe 45,825 hrs · 24,005 cycles

INSPECTION FOUND A 1" CRACK IN FORWARD CARGO COMPARTMENT STIFFENER AT STA 500-500A, LBL 3. THE STIFFENER WAS REMOVED AND A NEW STIFFENER WAS INSTALLED IAW SRM 51-40-02.

Part: BEARING — FAILED (NR 2 ENGINE) · airframe 40,254 hrs · 21,026 cycles

THE NR 2 ENGINE STALLED ACCOMPANIED BY A LOUD BANG DURING CLIMBOUT OF RDU AT 8,000 FEET. THE NR 2 ENGINE AUTO SHUTDOWN. THE AIRCRAFT WAS RETURNED TO RDU WHERE IT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS TAKEN OUT OF SERVICE FOR A NR 2 ENGINE REPLACEMENT. *S/D* INVESTIGATION CONCLUDED THAT THE PRIMARY CAUSE OF ENGINE FAILURE WAS DUE TO A NR 4 BEARING FAILURE.

Part: RELAY — INOPERATIVE (E & E COMPT)

THE GEAR LEVER WOULD NOT RAISE BEYOND THE OFF POSITION AFTER TAKEOFF. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE WAS UNABLE TO DUPLICATE THE FAILURE. THE R276 AIR SENSING RELAY WAS REPLACED AS A PRECAUTIONARY MEASURE. AN EXTENSION AND RETRACTION CHECK WAS PERFORMED AND ALL OPERATION AND INDICATIONS WERE NORMAL.

Part: SKIN — CRACKED (NR 5 LE FLAP)

NUMBER 5 SLAT HAS CRACK COMING FROM FASTENERS. FABRICATED DOUBLERS AND REPAIRED PER EC/RA 5750-01159.

Part: SKIN — CRACKED (NR 5 LE SLAT)

INSPECTION FOUND 1 INCH CRACKS COMING FROM FASTENER HOLES IN NR 5 SLAT LOWER SKIN. REPAIR DOUBLERS WERE FABRICATED AND INSTALLED IAW ECRA 5750-01159.

Part: FIRE LOOP — SHORTED (APU)

FLT NR 1523 - IAH - TWENTY MINUTES INTO THE FLIGHT, AFTER THE APU HAD BEEN SHUT DOWN. THE APU FIRE LIGHT ILLUMINATED WITH FIRE BELL. THE FIRE HANDLE WAS PULLED AND THE WARNING CEASED WITHIN 3-4 MINUTES. MAINTENANCE FOUND THE APU FIRE DETECTION LOOP SHORTING AGINST LOWER SHROUD. THE LOOP WAS REPOSITIONED AND THE FALSE FIRE INDICATION WAS ELIMINATED. IN ADDITION, A HOLE WAS DISCOVERED IN THE APU MUFFLER. THE APU HAD BEEN PLACARDED INOPERATIVE, DUE TO THE FIRE DETECTION PROBLEM, AND THE PLACARD WILL REMAIN PENDING EXHAUST SHROUD REPLACEMENT. (M)

Part: STRUTS — BROKEN (RT TE FLAPS)

BOS - FLT 1246 - TWO TO THREE UNITS OF LEFT WING DOWN WERE REQUIRED TO KEEP WINGS LEVEL AT FLAPS 1, 5, AND 10. MAINTENANCE FOUND THE RT WING CENTER OUTBOARD FLAP TRACK FAIRING STRUTS BROKEN WITH CAM TRACK DAMAGED AND THE PUSHROD FOR AFT FLAP BEARING BROKEN. THE STRUTS, CAM TRACK, AND PUSHROD WERE REMOVED AND REPLACED IAW MM 27-51-52. THE OUTBOARD FLAP FAIRING WAS INSTALLED AND RIGGED IAW MM 27-51-52. OPERATIONAL CHECKS WERE GOOD. (X)