N9333

Part: SKIN — CRACKED (FUSELAGE) · airframe 95,004 hrs · 96,243 cycles

DURING L-CHECK FOUND CRACK IN FUSELAGE SKIN AT THE AFT LOWER CORNER OF THE FORWARD SERVICE DOOR JAMB. REPAIRED PER EA 99-215924 SECTION I. SECTION II REQUIRES REPETITIVE INSPECTIONS TO BE ACCOMPLISHED AT L-CHECK INTERVALS. SECTION III PERMANENT REPAIR TO BE ACCOMPLISHED PRIOR TO 3,000 CYCLES OR 24 MONTHS WHICHEVER COMES FIRST.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 93,712 hrs · 95,211 cycles

DURING LINE CHECK MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 8-10 AND THE LT OVERWING EMERGENCY EXIT SIGN WERE INOPERATIVE.

Part: STIFFENER — CRACKED (FUSELAGE) · airframe 87,845 hrs · 90,614 cycles

DURING H-CHECK FOUND CRACKS IN VERTICAL STIFFENER AT BS 756 RBL 24. REPAIRED IAW EA 99-199103.

Part: PUMP — LEAKING (HYD SYSTEM) · airframe 87,543 hrs · 90,360 cycles

ON BASE LEG DURING APPROACH FOR LANDING, THE RIGHT HYDRAULIC SYSTEM LOST ALL FLUID AND FAILED. COMPLIED WITH COM PROCEDURES AND LANDING GEAR WAS EXTENDED MANUALLY. LANDING WAS NORMAL AT BNA ALTHOUGH THE GEAR DOORS DID HIT. GROUND CREW PINNED THE GEAR AND DOORS PRIOR TO TAXI. MAINTENANCE REPLACED THE RIGHT ENGINE DRIVEN HYDRAULIC PUMP, THE AUXILIARY HYDRAULIC PUMP, AND THE RIGHT HYDRAULIC SYSTEM FILTERS. LEAK AND OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ANNUNCIATOR — ACTIVATED (CABIN PRESSURE) · airframe 87,149 hrs · 90,064 cycles

THE RED CABIN PRESSURE ANNUNCIATOR LIGHT ILLUMINATED AT FL240 DURING DESCENT. CABIN WAS APPROACHING 10,000 FT, OUTFLOW VALVE INDICATED CLOSED, AND NO ASSOCIATED NOISE IN COCKPIT OR CABIN. COMPLIED WITH COM PROCEDURES AND AIRCRAFT DESCENDED TO 10,000 FT MSL. AIRCRAFT LANDED IN MEM WITHOUT INCIDENT. MAINTENANCE BITE CHECKED PRESSURE CONTROLLERS, INSPECTED FOR DUCT LEAKS, AND RETURNED THE AIRCRAFT TO SERVICE WITH A PNEUMATIC TROUBLESHOOTING FORM PROVIDED.

Part: VALVE — LEAKING (ANTI-SKID SYS) · airframe 83,169 hrs · 87,068 cycles

DURING START WHEN THE CREW ATTEMPTED TO PRESSURIZE THE RIGHT HYDRAULIC SYSTEM, THE HYDRAULIC PRESSURE INDICATION DID NOT RISE AND THE HYDRAULIC QUANTITY INDICATION DROPPED TO ZERO. FLIGHT ABORTED THE START AND RETURNED TO THE GATE. MAINTENANCE FOUND THE RIGHT OUTBOARD ANTI-SKID VALVE FITTING LEAKING. THE ANTI-SKID VALVE WAS REPLACED AS WAS THE ENGINE DRIVEN HYDRAULIC PUMP AND FILTERS AND THE ELECTRICAL HYDRAULIC PUMP AND FILTERS. SYSTEM WAS SERVICED, LEAK CHECKED, AND OPERATIONALLY CHECKED WITHOUT FURTHER PROBLEMS. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 81,546 hrs · 85,874 cycles

DURING H-CHECK AT ATL BASE, THE VENTRAL STAIR OPENING LHS BEAM UPPER JAMB WAS FOUND CRACKED BETWEEN NR 2 AND NR 3 GUIDE PIN RECEPTACLE. REPAIRED PER EA 99-185020.

Part: BEAM — CRACKED · airframe 81,546 hrs · 85,874 cycles

During HCK at ATL, the ventral stair opening LHS beam upper jamb was found cracked between the #2 and #3 guide pin receptacle. Repaired per EA 99-185020.

Part: CHANNEL — CRACKED · airframe 81,546 hrs · 85,874 cycles

During HCK at ATL, a 1.125" crack was found in the upper inboard bend radius of the 5910130-9 channel downward along the radius. Repaired per EA. 99-181359.

Part: CHANNEL — CRACKED · airframe 81,546 hrs · 85,874 cycles

During H-check of the APB found a 1 1/8" crack in the upper inboard bend radius of the 5910130-9 channel running downward along the radius. Repaired per EA 99-181359

Part: CHANNEL — CRACKED (FUSELAGE) · airframe 81,546 hrs · 85,874 cycles

DURING H-CHECK AT ATL, WHILE ACCOMPLISHING APB INSPECTIONS, A 1.125 INCH CRACK WAS FOUND IN THE UPPER INBOARD BEND RADIUS OF THE 5910130-9 CHANNEL RUNNING DOWNWARD ALONG THE RADIUS. REPAIRED PER EA 99-185020.

Part: WIRE — DISCONNECTED (TAIL CONE)

DURING LINE MAINTENANCE INSPECTION, FOUND TAIL CONE CATWALK EMERGENCY LIGHTS INOPERATIVE. RECONNECTED GROUND ABOVE LEFT LAVATORY, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK MOUNTED EMERGENCY LIGHTS AND INTERIOR TAIL CONE RELEASE HANDLE LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — INOP (TAIL COMP)

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

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS AT MAIN CABIN DOOR EXIT SIGN AND AT GALLEY ESCAPE PATH INOPERATIVE. REPLACED BATTERIES AT MAIN CABIN DOOR, OPERATIONAL CHECK NORMAL.

Part: SLIDE — LOW PRESSURE (PAX DOOR)

DURING PERIODIC CHEDK, FOUND MAIN CABIN DOOR EVACUATION SLIDE BOTTLE PRESSURE LOW. REPLACED SLIDE.

Part: CONTROL PANEL — MALFUNCTIONED (RT GENERATOR)

SHORTLY AFTER TAKEOFF, THE RIGHT GENERATOR CYCLED ON AND OFF FOUR TIMES THEN DROPPED OFF LINE. FLIGHT WAS RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT GENERATOR CONTROL PANEL, VOLTAGE REGULATOR, GENERATOR, AND CSD. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND BOTH VENTRAL STAIR EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES IN POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD SECTION OF MID CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES IN POWER SUPPLY, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — MALFUNCTIONED (TAIL COMPT)

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

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY TRACK LIGHTING IN TAIL COMPARTMENT INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK NORMAL.

Part: SKIN — CORRODED (BS 362)

DURING L-CHECK, FOUND CORROSION ON SKIN AROUND RIVETS AT FS 362 BETWEEN LONGERONS 27R TO 29R. REPAIRED PER EA 99-12855.

Part: RELEASE MECH — OUT OF ADJUST (TAILCONE)

DURING L CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO ACTUATE TAILCONE RELEASE SYSTEM. RIGGED RELEASE SYSTEM. OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND RIGHT OVERWING FORWARD EMERGENCY EXIT SIGN LIGHT DIM. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (COCKPIT)

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

Part: BATTERIES — DISCHARGED (TAIL COMP)

DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES IN PACK. OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (COCKPIT)

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

Part: BATTERIES — DISCHARGED (CABIN)

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

Part: DUCT — BLOWN (RIGHT PACK)

TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND BLOWN DUCT BETWEEN RIGHT PACK VALVE AND FLOW CONTROL VALVE. REPLACED DUCT, OPERATIONAL CHECK NORMAL.

Part: WIRE — BROKEN (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FLOOR PROXIMITY EMERGENCY LIGHTS AT SEAT 17D INOPERATIVE. MAINTENANCE REPAIRED BROKEN WIRE AT SEAT TRACK AREA, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERWING EMERGENCY EXIT LIGHTS AT ROW 11 VERY WEAK. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, OVERHEAD EMERGENCY LIGHTING FROM FORWARD GALLEY TO ROW 4 WOULD NOT TEST. REPLACED BATTERIES IN POWER SUPPLY. OPERATIONAL CHECK NORMAL.

Part: LIGHTS — FAILED (AFT TAILCONE)

DURING LINE MAINTENANCE INSPECTION, FOUND AFT TAILCONE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE CHARGED BATTERIES AND CLEANED LAMP SOCKETS, OPERATIONAL CHECK NORMAL.

Part: FUEL FLOW IND — MALFUNCTIONED (LT ENGINE)

DURING CRUISE FLIGHT, LEFT ENGINE FUEL FLOW BEGAN ERRATIC FLUCTUATIONS BETWEEN 4,000 LBS AND 6,000 LBS. A PRECAUTIONARY ENGINE SHUTDOWN WAS ACCOMPLISHED AND FLIGHT CONTINUED TO DESTINATION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE DEFERRED LEFT ENGINE FUEL FLOW INDICATION PER MEL 73-1A.

Part: FUSE — FAILED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS AT FIRST CLASS AND GALLEY DOOR INOPERATIVE. REPLACED FUSE, OPERATIONAL CHECK NORMAL.

Part: FUSE — BLOWN (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REPLACED FUSE. OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

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

Part: BATTERY PACK — DISCHARGED (CABIN)

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

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND OVERHEAD EMERGENCY LIGHTS INOPERATIVE FORWARD OF ROW 4. REPLACED BATTERIES AND OPERATIONAL CHECK GOOD.

Part: SKIN — CRACKED (FS 370)

DURING LINE CHECK, FOUND A CRACK IN THE FORWARD CARGO DOOR JAMB SKIN, UPPER FORWARD CORNER FS 370. REPAIRED DOOR JAMB SKIN PER EA 99-103407.

Part: BATTERY PACK — DISCHARGED (TAILCONE)

DURING LINE CHECK, FOUND CEILING EMERGENCY LIGHTS IN TAILCONE INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK GOOD.

Part: LONGERON — CRACKED (CTR FUEL TANK)

DURING A SPECIAL MAINTENANCE VISIT, FOUND A CRACK IN LONGERON 16R IN THE CENTER FUEL TANK. REPAIRED PER EA 99-87836.

Part: DOOR PAN — CRACKED (LT EMER EXIT)

DURING H-CHECK, FOUND LEFT FORWARD OVERWING EMERGENCY EXIT DOOR PAN CRACKED AT TOP EDGE FORWARD SUPPORT AREA. STOP DRILLED CRACK, FABRICATED DOUBLER, AND INSTALLED DOUBLER AND WEB PER EA 99-09711.

Part: FRAME — CRACKED (EMER EXIT DOOR)

DURING H-CHECK, FOUND A CRACK IN THE LEFT FORWARD OVERWING EMERGENCY EXIT DOOR PAN. REPAIRED PAN (P/N 5913195-1) PER EA 99-97116.

Part: BLKHD FITTING — CRACKED (FS 756)

DURING H-CHECK, FOUND A CRACK IN THE FS 756 BULKHEAD TO RIGHT KEEL ATTACH FITTING. REPLACED FITTING PER SRM 51-30-5.

Part: FITTING — CRACKED (FS 160)

DURING H-CHECK, FOUND CORROSION ON THE FS 160 FITTING FORWARD OF THE GALLEY SERVICE DOOR. REPLACED FITTING PER SRM 51-30-5.

Part: FITTING — CRACKED (GALLEY SVC DOOR)

DURING H-CHECK, FOUND A CRACK IN THE FORWARD GALLEY SERVICE DOOR LOWER BEAM FORWARD END. REPAIRED BEAM AND REPLACED THE FITTING (P/N 3953686-1) PER SRM 52-05, FIG.25.

Part: FITTING — CRACKED (CARGO DOOR)

DURING H-CHECK, FOUND CRACKS IN THE AFT CARGO DOOR NR 4 AND NR 5 BEAMS FORWARD END FITTINGS. REPLACED FITTINGS PER SRM 51-30-5 PG 1.

Part: FRAME — CRACKED (EMER EXIT DOOR)

DURING PERIODIC CHECK, FOUND A CRACK IN THE OVERWING EMERGENCY EXIT DOOR PAN ADJACENT TO THE NR 14 STOP FITTING. REPAIRED PAN (P/N 5913195-1) PER EA 99-98720.

Part: STALL TRANSDUCER — MALFUNCTIONED (RT FUSELAGE)

STALL WARNING SYSTEM ACTIVATED ON ROTATION. PULLED STALL WARNING COMPUTER CIRCUIT BREAKERS AND RETURNED TO DTW WITHOUT INCIDENT. FOUND NR 2 TRANSDUCER PIN POPPED. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR LATCH — OUT OF ADJUST (LANDING GEAR)

DURING CLIMB-OUT FROM ROC, GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. RECYCLED GEAR AND LIGHT EXTINGUISHED. FLIGHT CONTINUED TO DESTINATION (DTW) AND LANDED WITHOUT INCIDENT. FOUND RIGHT DOOR SWITCH SLIPPING OFF HEAD OF STRIKER BOLT (BAD ALIGNMENT). ADJUSTED DOOR LATCH/STRIKER MECHANISM. OPERATIONAL CHECK OK ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.