N986US

Part: FUEL CONTROL — FAILED (RT ENGINE) · airframe 72,117 hrs · 65,562 cycles

DURING TAKEOFF, THE RIGHT ENGINE EXPERIENCED A COMPRESSOR STALL AND THEN CEASED TO OPERATE. TAKEOFF WAS ABORTED AT 60 KTS WITHOUT INCIDENT. MAINTENANCE INSPECTED THE RIGHT ENGINE WITH NO DISCREPANCIES REPORTED AND REPLACED THE RIGHT ENGINE FUEL CONTROL UNIT. OPERATIONAL CHECK NORMAL. ALSO, THERE WAS HEAVY SNOWFALL REPORTED AT LGA AT THE TIME OF THE INCIDENT AND DEICING PROCEDURES WERE ACCOMPLISHED PRIOR TO DEPARTURE.

Part: SPAR — DAMAGED (WING)

DURING M CHECK, LEFT UPPER REAR SPAR CAP MOD STEP 8 REVEALED HOLES 1-22 AT OR EXCEEDING .2797 LIMIT. REPAIRED PER EA 99-171572.

Part: LONGERON — CRACKED (BS 155)

DURING M CHECK, FOUND CRACK AT CANTED INTERCOSTAL AT FS 155, LONGERON 12R. REPAIRED PER EA 99-172600.

Part: HINGE — CRACKED (TE FLAP)

DURING M CHECK, NR 3 FLAP HINGE LEFT OUTER HOLE HAS CRACK ABOVE HOLE AT APPROXIMATELY 12:00 POSITION. REPAIRED PER EA 99-169621.

Part: BOOT — LOOSE (LT ACM)

LOSS OF CABIN PRESSURIZATION OCCURRED AT 31,000 FEET EN ROUTE. CREW ACCOMPLISHED EMERGENCY DESCENT TO 10,000 FEET. FLIGHT WAS CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LOOSE RUBBER BOOT BETWEEN LEFT AIR CYCLE MACHINE AND HEAT EXCHANGER. SECURED BOOT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (TAIL CONE)

DURING LINE INSPECTION, FOUND TAIL CONE OVERHEAD EMERGENCY LIGHT DIM. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND TAILCONE OVERHEAD EMERGENCY LIGHT DIM. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: LIGHT — INOPERATIVE (TAIL CONE)

DURING LINE CHECK, FOUND ONE EMERGENCY LIGHT OUT AT TAIL CONE WALKWAY. MAINTENANCE REPLACED THE LIGHT ASSEMBLY MOUNT, OPERATIONAL CHECK NORMAL.

Part: ACTUATOR — BINDING (OUTFLOW VALVE)

LOSS OF CABIN PRESSURIZATION OCCURRED DURING CRUISE FLIGHT AND COULD NOT BE CONTROLLED MANUALLY. CREW ACCOMPLISHED EMERGENCY DESCENT TO 10,000 FEET AND CONTINUED TO DESTINATION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND OUTFLOW VALVE ACTUATOR BINDING. REPLACED ACTUATOR, OPERATIONAL CHECK NORMAL.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND AFT EMERGENCY FLASHLIGHT INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS BETWEEN ROWS 5 THRU 9 INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

FLIGHT ATTENDANT REPORTED AFT FLASHLIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: TR UNIT — FAILED (RADAR INSTL)

AFTER DEPARTURE, RADAR STARTED SPOKING ON ALL RANGES AND SETTINGS. CYCLED ON AND OFF SEVERAL TIMES. RADAR DOES PAINT WEATHER AND GROUND RETURN. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED TRANSCEIVER AND OPERATION CHECKS GOOD.

Part: BATTERY PACK — DISCHARGED (CABIN)

FLIGHT ATTENDANT REPORTED, FORWARD EMERGENCY FLASHLIGHT TEST LIGHT NOT BLINKING. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — MALFUNCTIONED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY EXIT LIGHT AT ENTRY DOOR INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: EVAC SLIDE — LOW BATTERY (SERVICE DOOR)

DURING PERIODIC CHECK, FOUND FORWARD SERVICE DOOR EVACUATION SLIDE WITH LOW BATTERY. REPLACED SLIDE.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS BETWEEN ROWS 5 AND 9 INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK NORMAL.

Part: SKIN — CRACKED (FUSELAGE)

DURING H-CHECK, FOUND A CRACK IN THE FUSELAGE SKIN AT THE FORWARD SERVICE DOOR FORWARD SIDE UPPER AFT ADJUSTOR CUTOUT. REPAIRED SKIN PER EA 99-111057.

Part: FRAME — CRACKED (BS 617)

DURING H-CHECK, FOUND A ONE INCH CRACK IN THE FS 617 FRAME FLANGE AT THE RIGHT SIDE FLOORBEAM LUG. REPAIRED FRAME (PSE 53.09.016, P/N 9919613-502) PER EA DC9-53-068 AND SRM 51-30-2, 51-30-5.

Part: WING ATTACH FTG — CORRODED (BS 600)

DURING H-CHECK, FOUND CORROSION ON THE CENTER WING FITTING AT FS 600 AND LONGERON 19R. REPLACED FITTING PER SRM 51-10, 51-30-1.

Part: FITTING — CRACKED (BS 996)

DURING H-CHECK, FOUND A CRACKED FLOOR STRUCTURE FITTING AT FS 996, LBL 25. REPLACED FITTING (P/N 94FS481223-103) PER SRM 51-30-0.

Part: FITTING — CRACKED (PAX DOORWAY)

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

Part: FITTING — CRACKED (BS 617)

DURING H-CHECK, FOUND A CRACK IN THE LONGERON 10R END FITTING AT FS 617. REPLACED FITTING (PSE 53.09.003) PER SRM 51-10-2.

Part: FITTING — CRACKED (BS 579)

DURING H-CHECK, FOUND A CRACK IN THE FS 579 FRAME FITTING BETWEEN THE UPPER FORWARD LUGS. REPAIRED FRAME (PSE 53.09.015) PER SRM 51-30-5.

Part: FLOOR BEAM — CRACKED (BS 680)

DURING H-CHECK, FOUND A 4 INCH CRACK IN THE FS 680 FLOOR BEAM AT THE RIGHT FRAME ATTACH POINT. REPLACED FLOOR BEAM (P/N 9915527-506, PSE 53.09.016) PER SRM 51-30-2, 51-30-5.

Part: BATTERIES — DISCHARGED (CABIN)

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

Part: POWER SUPPLY — INOPERATIVE (AFT FUSELAGE)

DURING PERIODIC CHECK, FOUND AFT STAIRWAY AND OVERHEAD TAIL COMPARTMENT EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND MID CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (LT NACELLE)

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

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND OVERHEAD EMERGENCY LIGHTS INOPERATIVE AT ROWS 5 TO 11. REPLACED BATTERIES AND OPERATIONAL CHECK GOOD.

Part: TARGET — OUT OF ADJUST (LT MLG DOOR)

DURING CLIMB, THE LANDING GEAR DOOR OPEN LIGHT ILLUMINATED AFTER LANDING GEAR RETRACTION. RECYCLED LANDING GEAR AND LIGHT EXTINGUISHED. AIRCRAFT CONTINUED TO DTW AND LANDED WITHOUT INCIDENT. ADJUSTED LEFT MAIN LANDING GEAR DOOR TARGET FOR SWITCH. OPERATIONAL CHECK GOOD.

Part: UPLOCK SWITCH — MALFUNCTIONED (LANDING GEAR DR)

DURING APPROACH, THE LANDING GEAR DOOR OPEN LIGHT REMAINED ILLUMINATED AFTER THE LANDING GEAR WAS EXTENDED. APPROACH WAS ABORTED AND A GO-AROUND PERFORMED. RECYCLED LANDING GEAR AND LIGHT REMAINED ILLUMINATED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED UPLOCK SWITCH. OPERATIONAL CHECK GOOD.

Part: LATCH PIN — MALFUNCTIONED (TAILCONE)

DURING PERIODIC CHECK, FOUND THAT THE TAILCONE DID NOT DROP DUE TO THE LOWER LEFT LATCH. REPLACED THE LATCH PIN AND RERIGGED THE TAILCONE.

Part: LONGERON — CORRODED (FS 996)

DURING PERIODIC CHECK, FOUND CORROSION IN THE RIGHT CUSP LONGERON 18R AT FS 996. REPAIRED CUSP (P/N 9910503-4) PER EA 99-99793.

Part: SKIN — CORRODED (FS 579)

DURING PERIODIC CHECK, FOUND CORROSION IN THE SKIN AT FS 579 BETWEEN LONGERONS 28R TO 29R. REPLACED SKIN (P/N 5911412-157) PER EA 99-99789.

Part: COMPUTER — MALFUNCTIONED (AUTO PILOT)

AIRCRAFT EXPERIENCED ELEVATOR FLUTTER AND VIBRATION AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED AUTO-PILOT PITCH COMPUTER AND ELEVATOR SERVO DRIVE. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — INOPERATIVE (CARGO DOOR)

DURING CLIMB DTW-HPN, FOUND THAT THE AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND RETURNED TO DTW WITHOUT FURTHER INCIDENT. FOUND THAT BOTH THE INNER AND OUTER AFT CARGO DOORS WERE LATCHED IN THE OPEN POSITION. ALSO, FOUND THAT THE DOOR WARNING SYSTEM WAS INOPERATIVE. REPLACED THE AFT CARGO DOOR WARNING SWITCH.