N783NC

Part: PAN — CRACKED (FUSELAGE) · airframe 70,386 hrs · 65,279 cycles

DURING L-CHECK FOUND CRACK ON AFT CARGO PAN AT DOOR CUTOUT LOWER JAMB. REPAIRED PER DWG 5910158 & SRM 53-13-3.

Part: PAN — CORRODED (FUSELAGE) · corrosion level 2 · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND CORROSION ON DOOR PAN OF FORWARD CARGO COMPARTMENT DOOR CUTOUT LOWER JAMB. REPAIRED PER SRM 53-01 FIGURE 1 & SRM 53-05 FIGURE 44.

Part: ATTACH FITTING — DAMAGED (VERTICAL STAB) · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND DRILLED HOLE ON LT ON VERTICAL TO FUSELAGE SKIN ATTACH DOUBLER AT BS 1275. REPAIRED PER ERA 486780-14.

Part: ATTACH ANGLE — DAMAGED (FUSELAGE) · airframe 70,386 hrs · 65,279 cycles

DURING L-CHECK FOUND SEVERAL ELONGATED FASTENER HOLES IN VERTICAL STABILIZER LT SIDE FUSELAGE TO STABILIZER ATTACH ANGLE. REPAIRED PER SRM 55-31-0 FIGURE 1 SHEET 2, SRM 51-60-0 FIGURE 1 SHEET 1, SRM 55-01 FIGURE 4 & SRM 51-30-01 PAGE 127,

Part: SKIN — CRACKED (FUSELAGE) · airframe 70,386 hrs · 65,279 cycles

DURING L-CHECK FOUND CRACK IN FUSELAGE SKIN AT BS 1247 L2L. REPAIRED PER SRM 53-04 FIGURE 38.

Part: GUSSET — DAMAGED (FUSELAGE) · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND SEVERAL ELONGATED FASTENER HOLES ON GUSSET AT BS 1247 L2L. REPAIRED PER SRM 51-30-2, SRM 51-30-5 & DWG 5911432.

Part: ATTACH FITTING — CRACKED (FUSELAGE) · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND CRACK IN VERTICAL STABILIZER RIGHT ATTACH ANGLE APPROXIMATELY .25 INCH FROM TRAILING EDGE. REPAIRED 53-05 FIGURE 23 & SRM 51-10-3B.

Part: SKIN — BENT (FUSELAGE) · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND SKIN BENT AT AFT CARGO DOOR CUTOUT PREVIOUS REPAIR AT BS 1100 BETWEEN L23R AND L 26R. REPAIRED PER SRM 53-30-0 FIGURE 3, SRM 51-10-2, SRM 51-10-04, SRM 51-30-2 & SRM 51-10-3 PAGE 239.

Part: SKIN — CRACKED (FUSELAGE) · airframe 70,385 hrs · 65,279 cycles

DURING LCK AT DHN, WHILE ACCOMPLISHING AN AD RELATED INSPECTION PER EM5330-01142, AD2000-23-22, A 0.25 INCH LONG CRACK WAS FOUND ON THE AFT EDGE OF THE NR 1 DOOR STOP HOLE REPAIRED PER ERA 486585-14AD SECTION I, SECTION II - ON OR BEFORE 3,000 CYCLES OR 24 MONTHS AFTER SECT I.

Part: FRAME — CRACKED (FUSELAGE) · airframe 70,385 hrs · 65,279 cycles

DURING M-CHECK FOUND CRACK IN FUSELAGE EXTERIOR CANTED FRAME AT BS 1303 BETWEEN L14L & L15L. REPAIRED PER SRM 53-01 FIGURE 9 SHEET 4.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · corrosion level 2 · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND CRACK AND CORROSION ON AFT CARGO DOOR JAMB FORWARD INTERCOSTAL BELOW WEB. REPAIRED PER SRM 51-30-2, SRM 51-30-5 & DWG 5910158.

Part: WEB — CORRODED (FUSELAGE) · corrosion level 2 · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND CORROSION ON LOWER WEB OF FORWARD CARGO DOOR CUTOUT. REPAIRED PER SRM 51-10-4, SRM 51-30-2, SRM 51-30-5 & SRM 51-30-3.

Part: WEB — CORRODED (FUSELAGE) · corrosion level 2 · airframe 70,385 hrs · 65,279 cycles

DURING L-CHECK FOUND CORROSION ON LOWER WEB OF AFT CARGO COMPARTMENT DOOR JAMB. REPAIRED PER SRM 53-13-2 FIGURE 3 SHEET 3 ITEM 6.

Part: STEP — CORRODED (AIRSTAIRS) · corrosion level 2 · airframe 70,386 hrs · 65,279 cycles

DURING L-CHECK FOUND CORROSION ON AIR STAIR STEP NR 2. REPLACED STEP PER SRM 52-60-0.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 70,251 hrs · 65,163 cycles

DURING LINE CHECK, MX FOUND THAT THE EMERGENCY EXIT SIGN AT THE AFT BULKHEAD EMERGENCY EXIT DOOR WAS INOPERATIVE. MX REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPS CONDITION.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 70,251 hrs · 48,108 cycles

DURING LINE CHECK, MX FOUND THAT THE EMERGENCY EXIT SIGN AT THE MAIN CABIN DOOR WAS INOPERATIVE. MX REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPS CONDITION.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 69,769 hrs · 64,738 cycles

DURING LINE CHECK, MX FOUND EMERGENCY LIGHTS AT ROW 9 TO 13 INOP. MX REPLACED POWER SUPPLY AND OVER WING LIGHT ASSY IAW MM 33-50-01. OPS CHECK OF LIGHTS, NOW CHECK GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 69,467 hrs · 64,459 cycles

DURING A LINE CHECK FOUND EMERGENCY LIGHTS ROWS 9 THRU 13 AND LT FWD OVER WING EMERGENCY LIGHTS ARE INOP. MSP MX CHANGED BAD POWER SUPPLY IAW 33-53-01. OPERATIONS OF LIGHTS NOW OK.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 69,467 hrs · 64,459 cycles

DURING A LINE CHECK FOUND TAIL COMPARTMENT EMERGENCY LIGHTS INOP. CHANGED BATTERY, FUSE, POWER SUPPLY AND REPAIRED WIRING HARNESS IN TAIL COMPARTMENT CATWALK. OPS CHECK OF EMERGENCY LIGHTS NOW CHECK NORMAL.

Part: BATTERY — DISCHARGED (CABIN) · airframe 68,448 hrs · 63,575 cycles

DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 23-26 AND THE LEFT SIDE EMERGENCY EXIT SIGN WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERIES. OPERATIONAL CHECK WAS GOOD.

Part: SEAL — BLOWN (NR 2 ENGINE) · airframe 68,325 hrs · 63,474 cycles

DURING CLIMB AT APPROX 800FT ENGINE NR 2 FLAMED OUT. FLIGHT CREW RETURNED AIRCRAFT TO DEPARTURE AIRPORT PERFORMING AN UNEVENTFUL LANDING. MAINTENANCE FOUND BLOWN SEALS AT THE FUEL IN LINE TO THE P&D VALVE.

Part: SKIN — DAMAGED (BS 446-503) · airframe 67,825 hrs · 63,036 cycles

DURING GROUND OPERATIONS LT FUSELAGE SKIN WAS DAMAGED BETWEEN BS 446-BS 503 L25L AND L28L. REPAIRED PER EA 98-215559.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT)

DURING LINE CHECK, MX FOUND THAT THE EMERGENCY FLOOD LIGHT FOR THE AFT EVACUATION SLIDE WAS NOT FUNCTIONAL. MX REPLACED THE EMERGENCY LIGHT POWER SUPPLY AND OPERATIONALLY CHECKED THE SYSTEM. (K)

Part: WIRE — SHORTED (CABIN)

DURING LINE CHECK, MX FOUND THAT BOTH OF THE EXTERIOR EMERGENCY OVERWING EMERGENCY FLOOD LIGHTS WERE INOPERATIVE. MX FOUND A SHORTED WIRE AT THE OVERWING EMERGENCY LIGHT AND REPAIRED IT. ALSO, REPLACED BATTERY PACK B5-49. (K)

Part: FLOORBEAM — CRACKED (FUSELAGE)

DURING LINE CHECK FOUND WEAK SPOT IN FLOOR BETWEEN SEAT 4B AND 4C. FOUND CRACK IN THE FLOOR SUPPORT T-CAP AT BS 427. REPAIRED PER EA 98-215295. (K)

Part: CRANK ASSY — WORN (AILERONS) · airframe 66,614 hrs · 61,925 cycles

FLIGHT RETURNED TO DTW AFTER TAKEOFF DUE TO UNRESPONSIVE OR SLOW TO RESPOND FLIGHT CONTROLS (AILERONS). CREW NOTICED 2 TO 3 INCHES OF YOKE TRAVEL BEFORE ANY FLIGHT CONTROL INPUT RESULTED IN AIRCRAFT CONTROL. PER DISPATCH REPORT MAINTENANCE CONTROL WAS CONTACTED PRIOR TO RETURN TO BASE. CREW ACCOMPLISHED A ROUTINE LANDING BACK AT DTW AND THE ACFT TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED THE LEFT AILERON CONTROL TAB IDLER CRANK FOR MINOR PLAY. NO OTHER PROBLEMS NOTED. (A)

Part: TIRE — SEPARATED (LT MLG) · airframe 62,272 hrs · 58,066 cycles

AT 125KTS ON THE TAKEOFF ROLL THE CREW HEARD A LOUD BANG AS THE NR 1 TIRE BLEW AND SHREDDED IT`S RECAP. THE TAKEOFF WAS SAFELY ABORTED WITH THE AIRCRAFT REMAINING ON RUNWAY CENTERLINE. AFTER THE AIRCRAFT WAS TOWED TO THE GATE, MAINTENANCE FOUND FOD IN THE NR 1 ENGINE BUT NO FOD IN EITHER WATER SEPARATOR, AND DAMAGE TO THE LEFT INBOARD FLAP ASSEMBLY & LEFT MLG FLYING GEAR DOOR. REPLACED THE ENGINE, ALL FOUR MAIN LANDING GEAR TIRES & BRAKES, AFT REMOVABLE SECTION OF THE LT MLG FLYING DOOR, INSTALLED A DENT MONITORING STICKER, AND REPAIRED SOME DAMAGE TO THE LEFT INBOARD FLAP ASSEMBLY.

Part: DOUBLER — CORRODED (FUSELAGE) · corrosion level 2 · airframe 61,821 hrs · 57,663 cycles

DURING "H" CHECK, FOUND CORROSION ON THE FORWARD FUSELAGE LT KIDNEY PANEL CUTOUT DOUBLER ON INTERIOR SIDE. REPAIRED PER EA 98-199178.

Part: WARNING LIGHT — ILLUMINATED (SLATS) · airframe 58,514 hrs · 54,529 cycles

DURING SLAT EXTENSION FOR LANDING AT BUF, THE AIRCRAFT ROLLED WITH BOTH THE SLAT DISAGREEMENT AND SLAT EXTEND LIGHTS ILLUMINATED. COMPLIED WITH COM PROCEDURES AND FIRST OFFICER WENT BACK TO VISUALLY CHECK THAT BOTH SLATS WERE EXTENDED PRIOR TO LANDING. THE SLAT DISAGREEMENT LIGHT EXTINGUISHED AND THE FLIGHT EXECUTED A NORMAL APPROACH AND LANDING. MAINTENANCE AT BUF COULD NOT DUPLICATE ANY DISCREPANCIES IN THE SLAT SYSTEM BUT DID REPLACE THE LT WING SLAT EXTEND SWITCH AS A PRECAUTION. THE AIRCRAFT RETURNED TO SERVICE.

Part: DUCT — DAMAGED (RT WING SLAT) · airframe 58,505 hrs · 54,520 cycles

DURING SLAT EXTENSION ON APPROACH, THE AIRCRAFT ROLLED RIGHT WITH THE SLAT DISAGREEMENT LIGHT ILLUMINATED. INITIATED COM PROCEDURES WHEN CREW HEARD A THUD AND THE LIGHT EXTINGUISHED. LANDING AT MSP WAS NORMAL. MAINTENANCE REPLACED THE T-DUCT, O-RINGS, SLIDERS, AND PACKINGS ON SLAT SIDE BUSHING ASSEMBLY. AIRCRAFT RETURNED TO SERVICE.

Part: DUCT — BINDING (LT & RT WINGS) · airframe 52,085 hrs · 48,764 cycles

DURING APPROACH, THE SLAT DISAGREEMENT LIGHT ILLUMINATED AND AIRCRAFT HAD A NOTICEABLE ROLL THE THE RIGHT WHEN SLATS EXTENDED. FOLLOWED COM PROCEDURES. FLAP/SLAT HANDLE WAS SPLIT. FLIGHT MADE AN UNEVENTFUL LANDING AT MSP. MAINTENANCE INSPECTION OF SLATS DETERMINED THE LEFT T-DUCT WAS BINDING. REPLACED T-DUCT. LUBED ALL SLAT TRACKS AND ROLLERS AND INSPECTED CABLES. OPERATIONAL CHECK NORMAL.

Part: DRAIN VALVE — CLOGGED (LT MLG WW) · airframe 51,051 hrs · 47,859 cycles

ROLL CONTROL RESTRICTED IN FLIGHT IN BOTH AUTOPILOT AND MANUAL. THE FLIGHT CREW PERFORMED ROLL CONTROL RESTRICTION COM PROCEDURE. DESCENDED TO WARMER TEMPERATURES AND PROBLEM CLEARED. FLIGHT LANDED AT DESTINATION WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT SLANT PANEL DRAIN VALVE AND INSPECTED AILERON CABLES. OPERATIONAL CHECK NORMAL.

Part: CHECK VALVE — CLOGGED (LT SLANT PANEL) · airframe 50,221 hrs · 47,138 cycles

EN ROUTE FROM BDL TO DTW, THE AIRCRAFT BEGAN AN UNCOMMANDED GRADUAL BANK. DISCONNECTED AUTOPILOT AND FOLLOWED COM PROCEDURES. REGAINED COMPLETE FREEDOM OF MOVEMENT OF CONTROLS PRIOR TO APPROACH AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CHECK VALVE FOR LEFT SIDE SLANT PRESSURE PANEL DRAIN CLOGGED. CLEARED DRAINS AND REPLACED CHECK VALVE. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERIES — DISCHARGED (CABIN)

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

Part: SEAL — LEAKING (TAIL COMPARTMENT)

AFTER TAKEOFF, THE TAIL COMPARTMENT HIGH TEMPERATURE INDICATOR LIGHT ILLUMINATED WITH POWER SET AT CLIMB AND AT TAKEOFF EPR. INDICATION EXTINGUISHED AT LOWER POWER SETTING. FLIGHT CREW DECLARED YELLOW EMERGENCY, RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED PERI SEALS AT RIGHT HEAT EXCHANGER AND TAIL COMPARTMENT TEMPERATURE SENSORS. OPERATIONAL CHECK NORMAL.

Part: BATTERY — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND EMERGENCY LIGHTING IN TAIL COMPARTMENT VERY DIM. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK NORMAL.

Part: ADC — FAILED (RT COCKPIT)

DURING CLIMBOUT, THE FIRST OFFICER'S ALTIMETER OFF FLAG AND THE ALTITUDE ALERTER OFF FLAG CAME INTO VIEW. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE AIR DATA COMPUTER AND ALTITUDE ALERTER INDICATOR, OPERATIONAL CHECK OK.

Part: BATTERIES — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD MOUNTED CENTER AISLE EMERGENCY LIGHTS BETWEEN ROWS 21 THROUGH 23 WOULD NOT TEST. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL.

Part: TURBINE — DAMAGED BLADES (RT ENGINE)

DURING TAXI OUT, THE RIGHT ENGINE WAS REPORTED BY A FOLLOWING AIRCRAFT TO HAVE SPARKS EXITING THE TAIL OF THE ENGINE. CREW SHUTDOWN THE RIGHT ENGINE AND RETURNED TO GATE. MAINTENANCE REPLACED THE RIGHT ENGINE. ENGINE OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: TCAS COMPUTER — FAILED (E/E COMPT)

AFTER TAKEOFF, CAPTAIN'S GYRO FLAG APPEARED AND GYRO TUMBLED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED TCAS COMPUTER. TCAS AND ATTITUDE OPERATION CHECKED OK.

Part: OIL PRESS TRANS — MALFUNCTIONED (RT ENGINE)

DURING CRUISE FLIGHT, THE RIGHT ENGINE OIL PRESSURE INDICATION DECREASED TO 32 PSI. AIRCRAFT DIVERTED TO ATL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE OIL PRESSURE TRANSMITTER. OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY LIGHTS DIM. REPLACED BATTERY PACK AND CLEANED CONTACTS, OPERATIONAL CHECK NORMAL.

Part: PRESSURE PANEL — CRACKED (BS 83)

DURING H-CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE PANEL AT FRAME FITTING, LEFT SIDE, FS 83. REPAIRED PER EA 98-111877.

Part: POWER PACK — INOPERATIVE (CABIN)

DURING LINE CHECK, FOUND TAIL COMPARTMENT EMERGENCY LIGHT INOPERATIVE. REPLACED AFT POWERPACK IN RIGHT LAV CEILING, OPERATIONAL CHECK OK.

Part: BATTERIES — DISCHARGED (ROW 16)

DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTS INOPERATIVE AT ROW 16 EXIT SIGN FOR OVERWING DOOR. REPLACED BATTERIES AND OPERATIONAL CHECKS GOOD.

Part: ALIGNMENT BLOCKS — OUT OF POSITION (LE FLAPS)

DURING DESCENT INTO GRR, SLAT DISAGREEMENT LIGHT ILLUMINATED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. FOUND RIGHT LEADING EDGE SLAT T-DUCT ALIGNMENT BLOCKS BINDING ON TELESCOPIC TUBE. REPOSITIONED UPPER AND LOWER BLOCKS AND CYCLED SLATS NUMEROUS TIMES, OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND AFT WALKWAY EMERGENCY LIGHTS OUT. RESEATED BULBS AND REPLACED THE BATTERY PACK, OPERATIONAL CHECK GOOD.

Part: CLIPS — OUT OF ADJUST (TAILCONE)

DURING EO 5350-01032 TAILCONE FUNCTIONAL CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO BOTH PULL THE EXTERIOR HANDLE FROM THE CLIPS AS WELL AS TO DROP THE TAILCONE USING THE INTERIOR HANDLE. ADJUSTED THE CLIPS AND UPPER LATCHES. CHECKED OK.

Part: BATTERY PACK — DISCHARGED (AFT BAGG BIN)

DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY EVACUATION SIDE ILLUMINATION LIGHT INOPERATIVE. REPLACED BATTERY PACK IN AFT BAGGAGE BIN AND OPERATIONAL CHECK NORMAL.

Part: EPR TRANSMITTER — MALFUNCTIONED (NR 2 ENGINE)

NR 2 EPR INDICATION DID NOT REACH THE TARGET EPR ON TAKEOFF ROLL. TAKEOFF WAS ABORTED, AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE EPR TRANSMITTER AND INDICATOR. SYSTEM CHECKED OK ON RUNUP. AIRCRAFT RETURNED TO SERVICE.

Part: SUPPORT — CORRODED (FS 237-299)

DURING PERIODIC CHECK, FOUND CORROSION ON FLOOR SUPPORT CAP FS 237 TO 299, BL 0. REPAIRED CAP P/N 5910760-23 PER EA 98-097524.

Part: RETRACT SWITCHES — FAILED (LE FLAP SYST)

ON APPROACH INTO DTW, SLAT DISAGREEMENT LIGHT REMAINED ON AFTER SLATS WERE EXTENDED FOR LANDING. NO ABNORMAL ROLL WAS NOTICED. CAPTAIN DECLARED AN EMERGENCY AND ACCOMPLISHED A SUCCESSFUL 'FLAP ONLY' LANDING. REPLACED THE SLAT RETRACT SWITCHES AND SLAT CONTROL LEVER SWITCH. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: STRUT — UNDERSERVICED (NLG)

NOSE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RED UNSAFE LIGHT WAS ALSO ILLUMINATED AND LOUD RUMBLE WAS HEARD. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. FOUND NOSE LANDING GEAR STRUT UNDERSERVICED. SERVICED STRUT TO PROPER LIMITS. OPERATIONAL CHECK OK ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.