N959N

Part: POWER SUPPLY — FAILED (TAIL) · airframe 77,727 hrs · 93,209 cycles

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

Part: TIRE — FAILED (NLG) · airframe 77,372 hrs · 92,895 cycles

SEVERE VIBRATION DEVELOPED ABOUT THE NOSE WHEEL AREA. ABORTED TAKEOFF. THE AIRCRAFT REACHED 120 KNOTS BUT STOPPED SAFELY AND TAXIED BACK TO THE GATE. MAINTENANCE FOUND THE NOSE WHEEL TIRE CHINE SEPARATED FROM THE TIRE SIDEWALL. REPLACED THE NR 4 MAIN AND BOTH NOSE TIRE ASSEMBLIES. AIRCRAFT RETURNED TO SERVICE.

Part: CABLE — BROKEN (NLG DOOR)

AFTER TAKEOFF AND DURING GEAR RETRACTION, FLIGHT CREW REPORTED LOUD "POP" FOLLOWED BY UNUSUAL NOISE FROM NOSE GEAR AREA. FLIGHT WAS RETURNED TO SDF AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND RIGHT NOSE GEAR DOOR STOP CABLE BROKEN. DEFERRED CABLE PER MEL 32-7. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACKS AND POWER SUPPLIES, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (TAIL COMPT)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS ON CATWALK AND AT INTERIOR TAIL CONE HANDLE INOPERATIVE. REPLACED BATTERIES IN BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND TAILCONE EMERGENCY ESCAPE PATH LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES. OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (LT NACELLE)

DURING LINE MAINTENANCE INSPECTION, FOUND LEFT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND THREE CEILING EMERGENCY LIGHTS AFT OF OVERWING EXITS INOPERATIVE. REPLACED POWER SUPPLY. OPERATION CHECKS GOOD.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND FORWARD OVERWING EXIT SIGNS INOPERATIVE. REPLACED BATTERIES AND OPERATION CHECKS GOOD.

Part: BATTERY PACK — DISCHARGED (CABIN)

FORWARD OVERWING EMERGENCY EXIT HATCH LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

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

Part: BATTERIES — DISCHARGED (CABIN)

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

Part: BATTERY PACK — DISCHARGED (TAIL CONE)

DURING LINE MAINTENANCE INSPECTION, FOUND TAIL CONE EMERGENCY LIGHTS AT CATWALK INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

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

Part: BATTERIES — DISCHARGED (CABIN)

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

Part: BATTERY PACK — FAILED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND BOTH FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: ENGINE — MALFUNCTIONED (LT/RT)

AS TAKEOFF POWER WAS APPLIED, BOTH ENGINES WOULD NOT REACH TARGET EPR. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE PERFORMED ENGINE TRIM ON BOTH ENGINES. ALL PARAMETERS WERE NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY POWER SUPPLY. OPERATIONAL CHECK NORMAL.

Part: BATTERY — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL.

Part: DE-ICE TIMER — MALFUNCTIONED (TAIL SECTION)

TAIL DE-ICING WOULD NOT ACTIVATE WHEN SELECTED EN ROUTE. ALSO, AIRFOIL ICE PROTECTION PRESSURE ABNORMAL LIGHT WAS ILLUMINATED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE TAIL DE-ICE TIMER, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EMERGENCY LIGHTS ON LEFT AND RIGHT SIDES INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL.

Part: CONNECTOR — BROKEN (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERWING EXIT EMERGENCY LIGHTS DIM. MAINTENANCE REPAIRED GROUND TERMINAL CONNECTION. OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

AFT EMERGENCY FLASHLIGHT WOULD NOT BLINK. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: SKIN — CORRODED (BS 637- 667)

DURING M-CHECK, FOUND CORROSION ON THE UNDERWING FUSELAGE SKIN FROM FS 637 TO 667, LONGERONS 27R TO 29R. REPAIRED SKIN (P/N 5911418-119) PER EA 99-110716.

Part: PRESS WEB — CRACKED (BS 105)

DURING M-CHECK, FOUND CRACKS IN THE NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE WEB FS 105 AT LBL 25 AND RBL 25. REPAIRED WEB (P/N 9910073-313) PER EA 99-110706 AND -110719.

Part: FITTING — CRACKED (BS 580)

DURING M-CHECK, FOUND A 10 INCH CRACK IN THE LONGERON 30 END FITTING AT FS 580. REPLACED FITTING PER SRM 51-30-5.

Part: FITTING — CORRODED (BS 633)

DURING M-CHECK, FOUND CORROSION ON THE FS 633 FRAME FITTING BETWEEN KEEL LONGERONS 29R AND 29.5R. REPLACED FITTING PER SRM 51-30-5 PG 1.

Part: BULKHEAD — CRACKED (AFT PRESS BLKHD)

DURING M-CHECK, FOUND A 1.1 INCH CRACK IN THE AFT PRESSURE BULKHEAD UPPER INBOARD CORNER IN THE 9 DOUBLER. ALSO, FOUND A 4 INCH CRACK IN THE RIGHT SIDE VENTRAL DOOR JAMB. REPAIRED BOTH PER EA DC9-53-022.

Part: STOP FITTING — CRACKED (PAX DOOR JAMB)

DURING M-CHECK, FOUND A CRACK IN THE AFT ENTRY DOOR JAMB LOWER RIGHT STOP FITTING. REPLACED FITTING PER SRM 51-30-2.

Part: FITTING — CRACKED (CABIN DOOR)

DURING M-CHECK, FOUND A .5 INCH CRACK IN THE AFT CABIN DOOR LOWER LEFT DOOR STOP FITTING. REPLACED FITTING PER SRM 51-30-2.

Part: DUCT CLAMP — LOOSE (WATER SEPARATOR)

LOSS OF CABIN PRESSURIZATION OCCURRED AT 35,000 FEET, AN EMERGENCY DESCENT WAS MADE TO 10,000 FEET AND FLIGHT DIVERTED TO MCO. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LOOSE DUCT CLAMP AND BOOT DISCONNECTED AT WATER SEPARATOR. TIGHTENED CLAMP AND REPLACED THE BOOT, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND FORWARD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND OPERATIONAL CHECK GOOD.

Part: PT7 LINE — BROKEN (NR 2 ENGINE)

NR 2 ENGINE EPR INDICATION WAS LOW ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE FLIGHT RETURNED TO THE GATE. MAINTENANCE REPLACED A BROKEN PT7 LINE WITH A NEW PART.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND OVERWING EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES AND OPERATIONAL CHECK GOOD.

Part: CSD — UNDERSERVICED (RT ENGINE)

RIGHT CSD OIL PRESSURE LOW LIGHT ILLUMINATED ON TAKEOFF ROLL. ABORTED TAKEOFF AT 70 KNOTS AND RETURNED TO THE GATE. SERVICED THE RIGHT CSD TO PROPER LEVELS. OPERATIONAL CHECK OK ON GROUND. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — FAILED (NR 2)

ON APPROACH TO MSP, THE NR 2 ENGINE FLAMED-OUT. RELIGHT ATTEMPTS WERE UNSUCCESSFUL. THE FLIGHT WAS CONCLUDED WITHOUT INCIDENT. GROUND START ATTEMPTS PRODUCED NO N2 ROTATION ON STARTER ENGAGEMENT. METAL CONTAMINATION WAS FOUND IN THE GEARBOX. MAINTENANCE REPLACED THE ENGINE. ENGINE SYSTEM CHECKED OK. AIRCRAFT RETURNED TO SERVICE. N1 ROTATION CHANGED TO N2 ROTATION.

Part: COMPRESSOR — STALLED (NR 2 ENGINE)

AS POWER WAS BROUGHT UP FOR TAKEOFF, COMPRESSOR STALLS OCCURRED ON NR 2 ENGINE APPROXIMATELY 85 PERCENT N2. TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED A SMALL PIECE OF CARDBOARD FROM THE INLET AND INSPECTED FOR DAMAGE, NONE FOUND. THE ENGINE WAS RUN UP AND FOUND OK FOR CONTINUED SERVICE.