N768NC

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 76,799 hrs · 75,915 cycles

DURING MX CHECK FOUND EMERGENCY EXIT LIGHT AT ROW 25 CEILING INOP, REPLACED BATTERIES AND TESTS OK.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 76,701 hrs · 75,833 cycles

DURING LINE CHECK, MX FOUND THAT BOTH OF THE OVERWING EMERGENCY EXIT SIGNS WERE INOPERATIVE. MX REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPS CONDITION.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 76,427 hrs · 75,569 cycles

CREW WROTE UP SEAT 15 A/B OVERHEAD EXIT LIGHTING IS INOP. MAINTENANCE DISCONNECTED AND RECONNECTED SIDEWALL LIGHT OVER SEAT SIGN. OPERATION OF LIGHT NOW CHECKS OK.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 76,390 hrs · 75,534 cycles

DURING LINE CHECK MAINTENANCE FOUND LEFT EMERGENCY OVERWING EXIT LIGHTS INOP. MAINTENANCE REPLACED BATTERY PACK FOR LEFT FORWARD OVERWING LIGHT. OPERATIONAL CHECK OF LIGHTS NOW CHECK GOOD.

Part: SOCKET — LOOSE (EMERGENCY LIGHTS) · airframe 76,362 hrs · 75,512 cycles

DURING LINE CHECK, MX FOUND THAT OF THE OVERWING EMERGENCY EXIT SIGN AT SEATS 15AB WAS INOPERATIVE. MX FOUND THE LIGHT SOCKET WAS LOOSE, RE-SECURED IT, AND FUNCTIONALLY CHECKED THE SYS.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 76,344 hrs · 75,496 cycles

DURING LINE CHECK MAINTENANCE FOUND EMERGENCY LIGHT AT ROW 6 INOP. MAINTENANCE REPLACED LIGHT ASSEMBLY IAW AMM 33-53-00-401. OPERATIONAL CHECK OF LIGHT NOW CHECK GOOD.

Part: LIGHT — BROKEN (CABIN) · airframe 76,108 hrs · 75,281 cycles

ON FLIGHT CHECK MX FOUND L1 DOOR EMERGENCY LIGHT BROKEN AND INOP. MX REPLACED LIGHT AT DOOR L1. OPS CHECK OF LIGHT NOW CHECKS GOOD.

Part: CUSP WEB — CRACKED (BS 1130) · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND CUSP WEB CRACKED AT BS 1130 RT. REPAIRED IAW SRM 51-10-3, 53-10-16-801-663A AND 51-30-2.

Part: FLOORBEAM — CRACKED (BS 1140) · airframe 75,938 hrs · 75,123 cycles

DURING L-CHECK FOUND CRACK AND SHEARED FASTENERS ON CARGO FLOORBEAM AT BS 1140 LBL54. REPAIRED IAW SRM 51-72-01.

Part: CUSP WEB — CRACKED (BS 1140) · airframe 75,938 hrs · 75,123 cycles

DURING L-CHECK FOUND CRACK IN LT CUSP WEB AT BS1140. REPAIRED IAW SRM 51-70-4 FIG 2, SRM 51-10-4.

Part: FRAME — CRACKED (BS 1339) · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND CRACK IN CANTED FRAME IN AFT ACCY AT BS 1339 JUST ABOVE LT LOWER TAIL CONE LATCH FRAME. REPAIRED IAW SRM 51-30-2, 51-30-5.

Part: BULKHEAD — CORRODED (CARGO BAY) · corrosion level 2 · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND LT BULKHEAD PANEL IN AFT CARGO COMPARTMENT HAD CORROSION ON BOTTOM AROUND FASTENERS. REPAIRED IAW 51-10-3-, 53-01-1, 53-23-0, 51-30-1, 51-10-2, 51-30-2, 51-60-0.

Part: FLOOR PANEL — CRACKED (CABIN) · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND CRACK IN FLOOR PANEL NR 63. REPAIRED IAW SRM 51-10-2, 51-70-4, 53-23-0, 51-10-2, 51-30-9, 51-10-3.

Part: SKIN — CRACKED (RT WING) · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND L/E SKIN CRACKED ON RT WING AFT MOVEABLE VANE LOWER SURFACE. REPLACED IAW SRM 27-51-02.

Part: VANE — DELAMINATED (RT WING TE FLAP) · airframe 75,938 hrs · 75,123 cycles

DURING L-CHECK FOUND RT WING INBD FLAP VANE TOP SIDE EXISTING REPAIR IS CHAFED AND DELAMINATED. REPAIRED IAW SRM 27-51-03, 51-70-02, 57-03, 57-50-9, 51-10-3.

Part: ATTACH FITTING — CRACKED (BS 712) · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK, FOUND CRACK IN FRAME ATTACH CLIP OTBD END IN KEEL AREA AT BS 712 RT. REPAIRED IAW SRM 51-30-5, 51-10-4, 51-10-2, 53-03-12.

Part: FLOOR PANEL — CRACKED (CABIN) · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND CRACK IN FLOOR PANEL NR49. REPAIRED IAW SRM 51-10-2, 51-30-2, 51-10-4, 51-30-8, 53-70-4 FIGURE 2.

Part: FLOOR PANEL — CORRODED (COCKPIT) · corrosion level 2 · airframe 68,625 hrs · 65,417 cycles

DURING H-CHECK FOUND COCKPIT FLOOR PANEL NR 13 WITH SURFACE CORROSION. REPLACED FLOOR PANEL IAW SRM 53-33-00, 53-01-1, DWG 9952827.

Part: CUSP WEB — CRACKED (BS 1100) · airframe 75,938 hrs · 75,123 cycles

DURING L-CHECK FOUND LT OTBD CUSP WEB CRACKED AT BS1100. REPAIRED IAW SRM 51-30-1, 25-21-00, 51-30-2, 51-10-2, 51-10-3, 51-13-3 PAGE 613, 51-30-5.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 75,938 hrs · 75,123 cycles

DURING L-CHECK FOUND LT BULKHEAD WEB CRACKED IN FWD ACCESSORY COMPARTMENT AT BS 69. REPAIRED IAW SRM 53-01-2, 53-10-3, 51-30-2.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 75,205 hrs · 74,494 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT THE RIGHT SIDE EXTERIOR EMERGENCY FLOOD LIGHT WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 72,552 hrs · 72,138 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY LIGHTING IN THE COCKPIT WAS INOPERATIVE. MAINTENANCE REPLACED COCKPIT EMERGENCY LIGHTING BATTERY PACK AND LIGHTS RETURNED TO AN OPERATIONAL CONDITION.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 72,552 hrs · 72,138 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY LIGHTING IN THE COCKPIT WAS INOPERATIVE. MAINTENANCE REPLACED COCKPIT EMERGENCY LIGHTING BATTERY PACK AND LIGHTS RETURNED TO AN OPERATIONAL CONDITION.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 71,338 hrs · 71,062 cycles

TAIL COMPARTMENT EMERGENCY LIGHT WILL NOT ILLUMINATE. REPLACED BATTERIES IN POWER PACK. OPERATION CHECKS GOOD.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 66,961 hrs · 67,150 cycles

DURING H-CHECK, FOUND CORROSION ON SEAT TRACK AT BS 198-200 RBL 44. REPAIRED PER EA 98-204363.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 66,960 hrs · 67,150 cycles

DURING M-CHECK FOUND CRACK IN FORWARD PRESSURE BULKHEAD AT RIVET BELOW UPPER LT AND RT RADOME ALIGNMENT PIN AT BS 37. REPAIRED PER EA 98-203219.

Part: DUCT — GROOVED (L/E SLAT) · airframe 59,436 hrs · 60,313 cycles

DURING APPROACH INTO DTW WHEN SLATS EXTENDED, SLAT DISAGREEMENT LIGHT ILLUMINATED ACCOMPANIED WITH AIRCRAFT ROLL. WHEN SLATS RETRACTED THE LIGHT EXTINGUISHED. FOLLOWED COM PROCEDURES AND MADE AN UNEVENTFUL LANDING. MAINTENANCE FOUND THE RIGHT T-DUCT GROOVED AND LEFT WING T-DUCT WITH .1562 INCH OF PLAY. REPLACED BOTH T-DUCTS. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (CABIN) · airframe 58,000 hrs · 59,011 cycles

DURING LINE CHECK, FOUND EMERGENCY LIGHTS IN THE CEILING AT MID CABIN INOPERATIVE. REPLACED THE BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: MODULE — FAILED (RT MLG)

LEFT MAIN GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. FLIGHT WAS CONTINUED TO MSP. RED UNSAFE LIGHT ALSO STAYED ON DURING GEAR EXTENSION ON LANDING. CREW DECLARED YELLOW EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND LEFT MAIN GEAR UNSAFE LIGHT MODULE BAD. REPAIRED MODULE, OPERATIONAL CHECK NORMAL.

Part: BATTERIES — DISCHARGED (CATWALK)

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

Part: WHEEL — OUT OF BALANCE (NLG)

DURING TAKEOFF, THE AIRCRAFT EXPERIENCED NOSE WHEEL SHAKING AT 60 KTS AIRSPEED. FLIGHT CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT AND RIGHT NOSE TIRE AND WHEEL ASSEMBLIES. OPERATIONAL CHECK NORMAL.

Part: BATTERY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTING INOPERATIVE IN TAIL CONE CATWALK SECTION. MAINTENANCE REPLACED THE BATTERY, OPERATIONAL CHECK NORMAL.

Part: CONNECTOR — LOOSE (CABIN)

DURING LINE CHECK, FOUND EMERGENCY LIGHTING REMAINED ILLUMINATED WITH EMERGENCY LIGHT SWITCH IN THE 'OFF' POSITION. MAINTENANCE RECONNECTED CONNECTOR AT FORWARD SERVICE DOOR BATTERY PACK. OPERATIONAL CHECK NORMAL.

Part: FUSE — BLOWN (CABIN)

DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTS IN LAST 4 SEAT ROWS AND AN EXIT SIGN INOPERATIVE. MAINTENANCE REPLACED FUSE, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND AFT CEILING EMERGENCY LIGHTING ABOVE TAIL CONE DIM. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK OK.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND AFT ESCAPE PATH FLOOR LIGHTING ABOVE TAIL CONE INTERIOR HANDLE INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK OK.

Part: STRUT — REQUIRED SERVICE (NLG)

AFTER TAKEOFF, GROUND SHIFT FAILED TO SHIFT FROM GROUND MODE TO FLIGHT MODE. AIRCRAFT RETURNED TO MEM AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE SERVICED NOSE STRUT, OPERATIONAL CHECK OK.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND AFT OVERWING EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES IN PACK B5-25, OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND RIGHT EXTERIOR EMERGENCY ILLUMINATION LIGHT INOPERATIVE. REPLACED BATTERY PACK AND POWER SUPPLY, OPERATIONAL CHECK OK.

Part: BATTERY — DISCHARGED (COCKPIT)

DURING LINE CHECK, FOUND COCKPIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK OK.

Part: TARGET BOLT — OUT OF ADJUST (RT MLG)

AFTER TAKEOFF ON GEAR RETRACTION, GEAR DOOR OPEN LIGHT REMAINED ON. RECYCLED GEAR AND LIGHT REMAINED ON. RECYCLED GEAR AND GOT LEFT AND RIGHT GEAR UNSAFE LIGHT AND DOOR OPEN LIGHT. DESCENDED TO 18,000 FEET AND SLOWED TO 180 KNOTS. ALL LIGHTS WENT OUT. FLIGHT CONTINUED TO MEM AND LANDED WITHOUT INCIDENT. FOUND RIGHT PROXIMITY SWITCH TARGET THROUGH-BOLT HITTING ON FORWARD DOOR FRAME. ADJUSTED AND SWUNG GEAR FIVE TIMES AND EMERGENCY EXTENSION, ALL CHECKED GOOD.

Part: FITTING — CORRODED (FS 693)

DURING H-CHECK, FOUND CORROSION ON THE LONGERON 29L END FITTING AT FS 693. REPLACED FITTING PER SRM 51-30-5.

Part: FLOOR BEAM — CORRODED (FS 1167)

DURING H-CHECK, FOUND CORROSION ON THE FS 1167 FLOOR BEAM CAP, RIGHT SIDE. REPAIRED BEAM (P/N 9915561-71) PER EA 98-109432 PER EA 98-109432.

Part: SKIN — CORRODED (FS 974-1167)

DURING H-CHECK, FOUND CORROSION ON THE FUSELAGE SKIN FROM FS 974 TO 1167 BELOW THE LOWER CARGO DOOR OPENING. REPAIRED SKIN (P/N 59197071-501) PER EA 98-108989.

Part: FRAME — CRACKED (FS 1292)

DURING H-CHECK, FOUND A .375 INCH CRACK IN THE FS 1292 CANTED BULKHEAD AFT OF LONGERON 17R. REPAIRED BULKHEAD (P/N 9911839-521) PER EA 98-109500.

Part: FITTING — CORRODED (FS 701)

DURING H-CHECK, FOUND CORROSION ON THE LONGERON 28R END FITTING AT FS 701. REPLACED FITTING PER SRM 51-30-5.

Part: FLAP HINGE — CORRODED (WS 164)

DURING H-CHECK, FOUND CORROSION IN THE NR 2 FLAP FORWARD HINGE BOLT HOLES WS 164. REPLACED HINGE (P/N 5919218-506) PER CITEXT 90-5740-1-9800.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND EMERGENCY LIGHTS INOPERATIVE AFT OVERHEAD. REPLACED THE POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK GOOD.

Part: CLIPS — OUT OF ADJUST (TAILCONE)

DURING EO 5350-01032 TAILCONE FUNCTION CHECK, FOUND THAT INADEQUATE FORCE WAS REQUIRED TO PULL THE EXTERIOR TAILCONE HANDLE FROM THE CLIPS. ADJUSTED THE CLIPS AND CHECKED OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

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

Part: UPLOCK MECH — CONTAMINATED (LT MLG)

LEFT MAIN LANDING GEAR UNSAFE AND GEAR DOOR OPEN LIGHTS REMAINED ON AFTER GEAR WAS RETRACTED. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. FLIGHT CONTINUED TO DESTINATION (MSP) AND LANDED WITHOUT INCIDENT. INSPECTED GEAR AND DOOR PROXIMITY SWITCHES AND TARGETS. CLEANED UPLOCK MECHANISM. AIRCRAFT RETURNED TO SERVICE.