N1332U

Part: ENGINE — STALLED (NR 2)

DURING TAKEOFF, ENGINE NR 2 EXPERIENCED MULTIPLE COMPRESSOR STALLS. TAKEOFF ABORTED AT 120 KNOTS. MX PERFORMED POST STALL INSPECTIONS. NTF. ENGINE NR 2 GROUND RUN TO TAKEOFF POWER WITH NO STALL OR SURGE. (K)

Part: UNKNOWN — UNKNOWN · airframe 84,154 hrs · 90,541 cycles

AT FL340 FLT CREW CAUGHT CABIN ALTITUDE CLIMBING. UNABLE TO GAIN CONTROL OF THE CABIN CLIMB, CREW REQUESTED A LOWER ALTITUDE ASSIGNMENT. AIRCRAFT IN GRADUAL DESCENT THE CABIN CLIMB INCREASED TO 1500 FPM. AN EMERGENCY DESCENT WAS THEN INITIATED. CREW REGAINED CONTROL OF CABIN PRESSURE AT FL 250 AND CONTINUED TO SCHEDULED DESTINATION WITH NO FURTHER SYSTEM PROBLEMS. PASSENGER MASKS DID NOT DEPLOY. MAX CABIN ALTITUDE REACHED WAS 10,500 FEET. MAINTENANCE DID PERFORM BITE BUT NEITHER PRESSURE CONTROLLER SHOWED ANY EXISTING FAULTS. THE NR 2 CONTROLLER DID HAVE SOME HISTORY OF FAULTS FROM PREVIOUS FLIGHTS. VESSEL LEAK CHECK WAS SATISFACTORY. THE RIGHT AUGMENTATION VALVE, WORN DUCTING, CLAMPS, WIRING FAULTS, AND SENSE LINES WERE ALL CORRECTED OR REPLACED. THE OPERATIONAL CHECKS WERE WITHIN LIMITS.

Part: COUPLING — LEAKING (RT A/C PACK) · airframe 84,150 hrs · 90,539 cycles

THE RED "CABIN PRESS" WARNING LIGHT ILLUMINATED AS THE CABIN LOST PRESSURIZATION IN FLIGHT. THE FLIGHT CREW CONFIRMED THAT THE CABIN WAS AT 11,000 FEET AND UTILIZED THE RED BORDERED CHECKLIST TO CORRECT IT. CABIN PRESSURE CONTROL WAS RECOVERED AFTER SECURING WING AND ENGINE ANTI-ICE. THE AIRCRAFT ALSO WAS DESCENDED FROM FL340 TO FL300 FOR REMAINDER OF CRUISE FLIGHT. MAINTENANCE FOUND THE RIGHT PACK COUPLING LEAKING AND REPLACED IT AND ITS PERI-SEAL. LEAK CHECKS WERE GOOD AND THE AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — BROKEN (EMERGENCY LIGHTS) · airframe 83,901 hrs · 90,359 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT TWO OF THE THREE CATWALK EMERGENCY PATHWAY LIGHTING IN THE TAIL COMPARTMENT WERE INOPERATIVE. MAINTENANCE FOUND AND REPAIRED A BROKEN WIRE. THE SYSTEM OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT RETURNED TO SERVICE.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,874 hrs · 84,945 cycles

DURING M-CHECK FOUND CORROSION ON FLOORBEAM WEB AT BS 996 RBL 50. REPAIRED PER EA 99-197352.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 76,874 hrs · 84,945 cycles

DURING M-CHECK FOUND CORROSION ON FLOORBEAM WEB AT BS 996 RBL 50. REPAIRED PER EA 99-197352.

Part: SKIN — CRACKED · airframe 70,524 hrs · 80,211 cycles

A fuselage crack was found on the skin at the 1 left door aft of the #4 doorstop. Repaired per EA.96-167022. Reference Logpage 1312704.

Part: DUCT, ACM — LOOSE (TAIL) · airframe 70,382 hrs · 80,082 cycles

AT FL200, AIRCRAFT LOST PRESSURIZATION. CABIN WENT TO 11,500 FEET. COM PROCEDURES ENABLED RECOVERY OF PRESSURE IN MANUAL MODE. INITIATED EMERGENCY DESCENT. FLIGHT ATTENDANT REPORTED SMOKE AND POSSIBLE FLAMES IN TAILCONE AREA. THERE WAS NO OTHER COCKPIT INDICATION TO SUPPORT FIRE CLAIM. AIRCRAFT LANDED SAFELY AT MEM. MAINTENANCE FOUND LOOSE DUCT OFF ACM IN TAIL AREA AND REINSTALL DUCT. AIRCRAFT RETURNED TO SERVICE.

Part: ROD END — LOOSE (ELEVATOR)

TAKEOFF WAS ABORTED AT APPROXIMATELY 100 KTS DUE TO ELEVATOR BEING DIFFICULT TO CONTROL. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND ROD END TO ELEVATOR BOOST CYLINDER PULLED FROM ELEVATOR ATTACH POINT JAMMING LEFT ELEVATOR FULL UP. REINSTALLED ROD END. OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FIRST CLASS SECTION OF EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS AT AFT FLIGHT ATTENDANT JUMPSEAT AND AT CATWALK SIDEWALLS INOPERATIVE. REPLACED BATTERY PACK AND POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: LATCH MECHANISM — LACK OF LUBE (LT MLG DOOR)

LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. CREW PERFORMED UPLATCH CHECK AND GEAR DOOR OPEN LIGHT ILLUMINATED. FLIGHT WAS RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED AND LUBED LEFT MAIN GEAR DOOR LATCH MECHANISM AND UPPER DOOR SEQUENCE CABLE. OPERATIONAL CHECK NORMAL ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.

Part: CLIPS — OUT OF ADJUST (TAIL CONE)

DURING TAIL CONE FUNCTIONAL CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO REMOVE THE INTERIOR RELEASE HANDLE FROM THE CLIPS. ADJUSTED CLIPS, FUNCTIONAL CHECK OK.

Part: SUPPORT — CORRODED (BS 218-305)

DURING M-CHECK, FOUND CORROSION ON THE CENTERLINE FLOOR SUPPORT BETWEEN FS 218 TO 305. REPAIRED PER EA 99-153419.

Part: FITTING — CORRODED (BS 503)

DURING M CHECK, FOUND CORROSION ON CARGO COMPARTMENT FLOOR SUPPORT FITTING AT FS 503 BETWEEN LONGERON 27R AND 28R. REPLACED FITTING PER SRM 51-30-5.

Part: FITTING — CRACKED (BS 588)

DURING M CHECK, FOUND CRACK IN LONGERON 27R END FITTING AT FS 588. REPLACED FITTING (P/N 3913209-1N) PER SRM 51-30-5.

Part: FITTING — CRACKED (BS 600)

DURING M CHECK, FOUND CRACK IN LONGERON 25R END FITTING AT FS 600. REPLACED FITTING (P/N 3913209-503N) PER SRM 51-30-5.

Part: FITTING — CRACKED (BS 579)

DURING M CHECK, FOUND CRACK IN CARGO COMPARTMENT FLOOR SUPPORT FITTING BETWEEN LONGERON 27L AND 28L AT FS 579. REPLACED FITTING PER SRM 51-30-5.

Part: REAR SPAR — CRACKED (WS 353)

DURING M CHECK, FOUND A CRACK IN THE RIGHT LOWER REAR SPAR CAP AT XRS 353. REPAIRED PER EA 99-153398.

Part: FITTING — CORRODED (RT MLG WW)

DURING M-CHECK, FOUND CORROSION ON KEEL FITTING IN RIGHT WHEEL WELL AT LOWER AFT KEEL BEAM. REPLACED FITTING (P/N 3915134-513) PER SRM 51-30-5.

Part: FITTING — CORRODED (LT MLG WW)

DURING M-CHECK, FOUND CORROSION ON KEEL FITTING IN LEFT WHEEL WELL AT INBOARD AFT LOWER KEEL BEAM. REPLACED FITTING (P/N 3915134-511) PER SRM 51-30-5.

Part: SKIN — CRACKED (BS 69.5)

DURING M-CHECK, FOUND CRACK IN FUSELAGE NOSE SKIN FS 69.5 BETWEEN LEFT OF CENTER PITOT TUBES (REF PSE 53.09.029 SID INSPECTION). REPAIRED PER DWG SRO 9530239.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES. OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (COCKPIT)

DURING LINE MAINTENANCE INSPECTION, FOUND CREW EMERGENCY FLASHLIGHT VERY DIM. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: TEMP CONTL VALVE — MALFUNCTIONED (CABIN)

FLIGHT ATTENDANT REPORTED SMOKE IN CABIN AFTER TAKEOFF. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT TEMPERATURE CONTROL VALVE AND CABIN TEMPERATURE CONTROL BOX. ALSO, CLEANED CABIN TEMPERATURE SENSOR AND ANTICIPATOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND CABIN EMERGENCY CEILING LIGHTS BETWEEN ROWS 12 AND 14 INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS AT AFT FLIGHT ATTENDANT JUMPSEAT AND AFT VENTRAL STAIR EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL.

Part: CIRCUIT BREAKER — TRIPPED (PRESSURE CONTRL)

AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND PRESSURIZATION CONTROL CIRCUIT BREAKER POPPED. RESET CIRCUIT BREAKER, OPERATIONAL CHECK NORMAL.

Part: CLAMPS — LOOSE (TAIL COMPARTMENT)

TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED APPROXIMATELY TEN MINUTES AFTER TAKEOFF. LIGHT EXTINGUISHED AFTER BLEEDS WERE TURNED OFF. FLIGHT RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE TIGHTENED CLAMPS TO LEFT AUGMENTATION VALVE AND REPLACED CLAMP AT TURBINE OUTLET, OPERATIONAL CHECK NORMAL.

Part: COMPRESSOR — BIRD STRIKE (RT ENGINE)

AT ROTATION, THE RIGHT ENGINE INGESTED A BIRD CAUSING SEVERE VIBRATION. CREW SHUT DOWN THE RIGHT ENGINE AND PERFORMED AN AIR TURNBACK LANDING AT MDW. AFTER LANDING, FIRE PERSONNEL REPORTED FUEL LEAKING FROM THE RIGHT ENGINE. AS A PRECAUTION, CREW PULLED RIGHT ENGINE FIRE HANDLE AND FIRED ONE BOTTLE. FUEL LEAK CEASED AND AIRCRAFT RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE.

Part: SOCKETS — ARCING (SIDEWALL LTS)

PASSENGER REPORTED THAT SIDEWALL LIGHTS ABOVE WINDOWS AT ROWS 8, 9 AND 10 RIGHT WERE ARCING DURING TAXI-OUT. CREW WAS NOTIFIED AFTER TAKEOFF. FLIGHT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND FLAMES COMING FROM SIDEWALL FLUORESCENT LAMP HOLDERS. REPLACED THREE LAMP HOLDERS AND RELAMPED DUE TO MELTED LAMP PINS.

Part: FITTING — CRACKED (CARGO DOOR)

DURING H-CHECK, FOUND A CRACK IN THE FORWARD CARGO DOOR NR 4 BEAM AFT END FITTING. REPLACED FITTING PER SRM 51-30-5.

Part: STRUT — REQ'D SERVICE (NLG)

DURING CLIMB, THE AIRCRAFT DID NOT SHIFT INTO FLIGHT MODE AFTER LANDING GEAR RETRACTION. PULLED CIRCUIT BREAKERS TO PUT AIRCRAFT INTO FLIGHT MODE. AIRCRAFT CONTINUED TO DTW AND LANDED WITHOUT INCIDENT. SERVICED NOSE STRUT AND OPERATIONAL CHECK GOOD.

Part: SCHRADER VLV — FAILED (NLG STRUT)

DURING CLIMB, THE AIRCRAFT DID NOT SHIFT INTO FLIGHT MODE AND THE LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. SERVICED NOSE STRUT AND REPLACED SCHRADER VALVE, OPERATIONAL CHECK GOOD.

Part: AIR DISTR — ODOR (CABIN)

DURING CLIMB, AN UNIDENTIFIED SMELL WAS REPORTED BY THE FLIGHT ATTENDANTS. AIRCRAFT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. INSPECTED AIRCRAFT SYSTEMS AND COMPONENTS AND COULD NOT DUPLICATE DISCREPANCY. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (COCKPIT)

DURING LINE CHECK, COCKPIT EMERGENCY LIGHT INOPERATIVE. REPLACED THE BATTERY PACK, OPERATIONAL CHECK GOOD.

Part: FUEL CAP — MISSING (LT WING)

DURING CLIMB, FUEL WAS LEAKING FROM THE TOP OF THE LEFT WING. THE AIRCRAFT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. FOUND LEFT OVERWING CAP MISSING. INSTALLED CAP. LEAK CHECK GOOD.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND EMERGENCY EXIT SIGNS OVER FORWARD EMERGENCY EXITS INOPERATIVE. REPLACED THE BATTERIES AND POWER SUPPLY. OPERATIONAL CHECK GOOD.