N963N

Part: DUCT — DISCONNECTED (LT PACK)

LOSS OF CABIN PRESSURIZATION OCCURRED AT START OF DESCENT FROM 26,000 FEET. OXYGEN MASKS WERE DEPLOYED THROUGHOUT CABIN AND EMERGENCY DESCENT WAS ACCOMPLISHED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND DUCT BETWEEN LEFT AIR CYCLE MACHINE AND WATER SEPARATOR DISCONNECTED. REINSTALLED DUCT AT RUBBER SLEEVE AND HOSE CLAMPS, OPERATIONAL CHECK NORMAL.

Part: SEAT TRACK — CRACKED (BS 617)

DURING PERIODIC CHECK, FOUND TWO CRACKS ON SEAT TRACK FITTING FS 617. REPAIRED PER EA 99-164490 (P/N 3916212-502).

Part: BULKHEAD JAMB — CRACKED (AFT PRESS BLKHD)

DURING PERIODIC CHECK, CRACK WAS FOUND ON AFT PRESSURE BULKHEAD LEFT UPPER DOOR JAMB. REPAIRED PER EA 99-164509 (P/N 5917463-503).

Part: SLAT PRESS PANEL — CORRODED (FS 700)

DURING PERIODIC CHECK, FOUND CORROSION ON LHS SLAT PRESSURE PANEL (P/N 5956065-41) AND RHS (P/N 5956065-43). REPAIRED PER EA 99-164469.

Part: FASTENER — CRACKED (FS 160)

DURING PERIODIC CHECK, HEAVY CORROSION AND CRACK PROPAGATION AT FASTENER HOLE LOCATIONS APPROXIMATELY 6 SECTION. REPAIRED PER EA 99-164471. (P/N 9911593-7)

Part: SLIDE BATTERY — DISCHARGED (SERVICE DOOR)

DURING PERIODIC CHECK, FORWARD GALLEY DOOR EVACUATION SLIDE FAILED BATTERY TEST. REPLACED SLIDE.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND RIGHT NACELLE AND RIGHT TAIL CONE EMERGENCY EVACUATION SLIDE LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND OVERHEAD EMERGENCY LIGHTS JUST AFT OF OVERWING EXIT INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN ENTRY FLASHLIGHT INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES IN BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: SWITCHES — MALFUNCTIONED (LT/RT SLAT)

ON APPROACH INTO DTW, SLAT DISAGREEMENT LIGHT ILLUMINATED. CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TESTED SLAT SYSTEM. NO PROBLEMS COULD BE FOUND. REPLACED LEFT AND RIGHT SLAT EXTEND SWITCHES AS A PRECAUTION. OPERATIONAL CHECK NORMAL.

Part: CONTROL VALVE — FAILED (LE SLATS)

DURING APPROACH INTO MEM, SLAT DISAGREEMENT LIGHT ILLUMINATED WITH NO BLUE SLAT EXTEND. LIGHT. SUCCESSFUL LANDING WAS ACCOMPLISHED UTILIZING FLAPS ONLY. MAINTENANCE REPLACED SLAT CONTROL VALVE, OPERATIONAL CHECK NORMAL.

Part: SWITCH — SHORTED (LT NAV LIGHT)

DURING CRUISE, SMOKE BEGAN FILLING COCKPIT FROM FORWARD INSTRUMENT PANEL. GENERATORS WERE PLACED TO OFF POSITION AND EMERGENCY POWER SWITCHED ON, SMOKE DISSIPATED. CREW DECLARED AN EMERGENCY AND FLIGHT WAS DIVERTED TO FNT. AIRCRAFT LANDED WITHOUT INCIDENT. PASSENGERS WERE DEPLANED NORMALLY. SMOKE NEVER ENTERED THE CABIN AREA. MAINTENANCE FOUND LEFT AFT NAV POSITION LIGHT SWITCH SHORTED AND FOUR FEET OF WIRE BURNED. REPLACED SWITCH, WIRES, CIRCUIT BREAKERS, AND LIGHT ASSEMBLY, OPERATIONAL CHECK NORMAL.

Part: SLIDE — FAILED TEST (PAX DOOR)

DURING PERIODIC CHECK, FORWARD ENTRY EVACUATION SLIDE FAILED BATTERY TEST. REPLACED SLIDE.

Part: FITTING — CRACKED (BS 680)

DURING H-CHECK, FOUND A CRACK IN THE LEFT OUTBOARD SEAT TRACK SUPPORT FITTING AT FS 680. REPLACED FITTING PER SRM 51-30-5.

Part: FITTING — CRACKED (BS 680)

DURING H-CHECK, FOUND A CRACK IN THE LEFT OUTBOARD SEAT TRACK SUPPORT FITTING AT FS 680. REPLACED FITTING PER SRM 51-30-5.

Part: OUT FLOW VALVE — MALFUNCTIONED (CABIN)

AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED OUTFLOW VALVE ACTUATOR AND CABIN DIFFERENTIAL PRESSURE SENSOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR SWITCH — MALFUNCTIONED (MAIN GEAR)

LANDING GEAR DOOR OPEN LIGHT ILLUMINATED DURING DESCENT INTO DTW. COCKPIT OPERATING MANUAL PROCEDURES WERE ACCOMPLISHED WITH NO SUCCESS IN EXTINGUISHING LIGHT. CREW REQUESTED EMERGENCY EQUIPMENT ON STANDBY DURING LANDING AS A PRECAUTION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED BOTH MAIN GEAR DOOR SWITCHES. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND OPERATIONAL CHECK NORMAL.

Part: SLIDE — LOW PRESSURE (MAIN CABIN DOOR)

DURING PERIODIC CHECK, FOUND MAIN CABIN DOOR EVACUATION SLIDE LOW ON PRESSURE. REPLACED SLIDE.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS AT ROWS 5 THROUGH 10 INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL.

Part: STRUT — REQD SERVICE (NLG)

AIRCRAFT FAILED TO SHIFT FROM GROUND MODE TO FLIGHT MODE AFTER TAKEOFF. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. INSPECTED GROUND SHIFT MECHANISM AND NO PROBLEMS WERE FOUND. RESERVICED NOSE LANDING GEAR STRUT TO PROPER LEVELS. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE.

Part: RELEASE HANDLE — OUT OF ADJUST (TAILCONE)

DURING EO 5350-01032 TAILCONE FUNCTIONAL CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO PULL THE EXTERIOR TAILCONE HANDLE FROM THE CLIPS DURING THE FIRST TWO ATTEMPTS. THE FORCE REQUIRED DURING THE THIRD ATTEMPT WAS WITHIN LIMITS. NO FURTHER ACTION WAS TAKEN.

Part: RETRACT MECH — MALFUNCTIONED (LE FLAPS)

DURING APPROACH, THE SLAT DISAGREEMENT LIGHT ILLUMINATED AFTER EXTENDING SLATS AND THE AIRCRAFT EXPERIENCED A SLIGHT ROLL. RECYCLED SLATS AND THE LIGHT ILLUMINATED AGAIN, BUT EXTINGUISHED SHORTLY AFTER SLATS WERE EXTENDED. INSPECTED, OPERATIONALLY CHECKED SLAT SYSTEM AND OPERATIONAL CHECK GOOD.