N802EA

Part: ANGLE — CRACKED (NR 1 ENG PYLON)

DURING C-CHECK, FOUND NR 1 ENGINE PYLON T/E RIB ATTACH ANGLE CRACKED AND RIB HOLES ELONGATED. REMOVED CRACKED ANGLE, FABRICATED NEW REPAIR PARTS PER SRM 51-40-2. INSTALLED NEW REPAIR PARTS AND SEALED AREA PER SRM 51-10-1 AND SRM 51-40-2. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING C-CHECK, FOUND CABIN FLOORBEAM STATION 360 BL 24 TO 24 CORROSION AT ANCHOR NUT HOLES. NOTED 1 INCH CRACK AT RBL 5 UNDER FORWARD FLANGE. REMOVED CORROSION TO AFFECTED AREA IN ANCHOR NUT HOLES, WITHIN LIMITS IAW SRM 51-10-6. AT 1 INCH CRACK REMOVED CORROSION, WITHIN LIMITS IAW SRM 53-10-1, CUT OUT DAMAGED AREA PER SRM 53-10-8. PERFORMED HFEC OF CUTOUT AREA. NO CRACKS NOTED PER SRM 51-00-00 PART 6. FABRICATED ANGLES, UPPER CHORD AND STRAPS, TREATED, PRIMED AND INSTALLED PARTS IAW SRM 53-10-8. (M)

Part: BEAM — DAMAGED (RT WING)

DURING C-CHECK, FOUND J BEAM HAS ROUTED OUT SECTION AT TOP OF CUTOUT WITH PREVIOUS REPAIR ABOVE RIGHT WING NR 8 SPOILER ACTUATOR AREA. REMOVED AND REPLACED J BEAM PER SRM 51-30-2 PAGE 4. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING C-CHECK, FOUND CABIN FLOORBEAM STATION 314 BL 0 HAS CORROSION. REMOVED CORROSION PER SRM 51-10-6, FOUND OUT OF LIMITS PER SRM 53-10-8, CUT OUT DAMGED FLOORBEAM IAW SRM 53-10-8, PERFORMED HFEC INSPECTION. NO CRACKS NOTED PER SRM 51-10-00. FABRICATED NEW UPPER CHORD, ANGLES SUPPORT IAW SRM 53-10-8. TREATED AND PRIMED PER SRM 51-10-6 PAGE 2. INSTALLED FLOORBEAM PER SRM 53-10-1 PAGE 14. (M)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING C-CHECK, FOUND CABIN FLOORBEAM STATION 344 WALL TO WALL HAS SPOTS OF CORROSION. REMOVED AND FABRICATED NEW FLOORBEAM PER SRM 51-10-1 PAGE 14. TREATED AND PRIMED PER SRM 51-10-6 PAGE 2. INSTALLED FLOORBEAM PER SRM 53-10-1 PAGE 14. (M)

Part: PANEL — CRACKED (VERTICAL STAB)

DURING C-CHECK, FOUND VERTICAL STABILIZER L/E PANEL NR 9502, INNER AFT EDGE CRACKED. REMOVED INNER SKIN PER SRM 51-30-2 PAGE 1, FABRICATED NEW INNER SKIN PER SRM 55-10-2. INSTALLED PER SRM 55-10-2. (M)

Part: BRACKET — CRACKED (VERTICAL STAB)

DURNIG C-CHECK, FOUND VERTICAL STABILIZER L/E PANEL 9503 LEFT AND RIGHT LOWER SECTION BRACKETS CRACKED. REMOVED BRACKETS, FABRICATED, TREATED AND INSTALLED PER SRM 51-30-3 APGE 14A. (M)

Part: ANGLE — CRACKED (LT WING)

DURING C-CHECK, FOUND TWO RIVETS PULLING, AND .375 INCH CRACK AT DOUBLER AT LT WING LOWER FAIRING SUPPORT ANGLE AFT FALSE SPAR AREA, OUTBOARD OF NR 3 FLAP TRACK. REMOVED DOUBLER FOR CRACK AND TWO RIVETS PULLING AS PER SRM 51-30-2 PAGE 1. FABRICATED NEW DOUBLER REPAIR AS PER SRM 51-10-1 PAGE 4. INSTALLED DOUBLER PER SRM 51-30-2 PAGE 1. (M)

Part: CHANNEL — CRACKED (LT WING)

DURING C-CHECK, FOUND 1.5 INCH CRACK AT LT WING LOWER TRAILING EDGE PANEL SUPPORT CHANNEL. INSTALLED NEW CHANNEL IAW SRM 51-30-2 PAGE 1. (M)

Part: RIB — CRACKED (NR 3 PYLON)

DURING C-CHECK, FOUND NR 3 ENGINE PYLON T/E INNER COMPARTMENT, AFT OF AFT ENGINE MOUNT SUPPORT RIB CRACKED. FABRICATED NEW MOUNT SUPPORT RIB PER SRM 51-10-2 PAGE 1 AND INSTALLED PER SRM 51-30-2 PAGE 1. (M)

Part: ANGLE — CRACKED (RT WING)

DURING C-CHECK, FOUND .375 INCH CRACK AT ANGLE ON BOTTOM OF RIGHT WING UPPER T/E PANEL AT WEB 5 INCHES FORWARD OF INBOARD AILERON L/B LEADING EDGE. FABRICATED NEW ANGLE PER SRM 51-10-1 PAGE 4. INSTALLED ANGLE PER SRM 51-30-2 PAGE 1. (M)

Part: BRACKET — CRACKED (RT WING)

DURING C-CHECK, FOUND BRACKET HAS 1 INCH CRACK WHERE RT WING NR 8 SLAT LOWER SKIN EXTENSION ATTACHES TO BOTTOM OF INBOARD TRACK. REPLACED BRACKET IAW SRM 51-10-1 AND 51-30-2 PAGE 1 AND PAGE 4. (M)

Part: RIB — CRACKED (RT WING)

DURING C-CHECK, FOUND RIGHT WING FIXED L/E RIB AFT END HAS TWO .75 INCH CRACKS THROUGH BOLT HOLES WHERE IT MOUNTS TO FRONT SPAR. CUT OUT CRACK AREAS AT R/W L/E INTERIOR WEB STATION 130-599 IAW SRM 51-40-2 FIG 1. FABRICATED FILLER AND REPAIR DOUBLER AND INSTALLED IAW SRM 51-40-2 FIG 1. (M)

Part: RIB — CRACKED (LT WING)

DURING C-CHECK, FOUND TWO EACH 1 INCH CRACKS INSIDE LEFT WING FIXED L/E AT TOP AFT END OF NOSE RIB-SLAT STATION 0, SEEN FROM OUTBOARD SIDE. FABRICATED NEW RIB AND INSTALLED IAW 51-10-1, PAGE 4. (M)

Part: CHANNEL — CRACKED (RT WING)

DURING C-CHECK, FOUND RIGHT WING LOWER TRAILING EDGE SUPPORT INBOARD CHANNEL CRACKED APPROX 1 INCH. REPLACED CHANNEL IAW SRM 51-10-1 PAGE 4. (M)

Part: SLAT TRACK — CRACKED (LT WING LE)

DURING C-CHECK, FOUND .375 INCH CRACK AT LT WING FIXED L/E CUTOUT ABOVE NR 4 SLAT OUTBOARD TRACK. TRIMMED OUT DAMAGED SKIN AND FABRICATED DOUBLER AND FILLER, INSTALLED REPAIR PER SRM 57-30-4, PAGE 6. (M)

Part: BEAM — DAMAGED (LT WING)

DURING C-CHECK, FOUND J BEAM HAS ROUTED OUT SECTION AT TOP OF CUTOUT WITH IMPROPER PREVIOUS REPAIR ABOVE LEFT WING NR 7 SPOILER ACTUATOR AREA. REMOVED AND REPLACED J BEAM PER SRM 51-30-2 PAGE 4. (M)

Part: RIB — CRACKED (RT WING)

DURING C-CHECK, FOUND RIGHT WING L/E RIB HAS 1 INCH CRACK WS 330. STOP DRILLED CRACK PER SRM 51-40-3 PAGE 1, FABRICATED ANGLE DOUBLER AND INSTALLED PER SRM 51-30-2 PAGE 2. (M)

Part: ANGLE — CRACKED (RT WING)

DURING C-CHECK, FOUND RIGHT WING RIB HAS 1 INCH CRACK WS 330. STOP DRILLED CRACK PER SRM 51-40-3 PAGE 1, FABRICATED ANGLE DOUBLER AND INSTALLED PER SRM 51-30-2 PAGE 2. (M)

Part: SEAT TRACK — CORRODED (CABIN)

DURING C-CHECK, FOUND CABIN SEAT TRACK STATION 680 TO 740 LBL 24 HAS CORROSION OUT OF LIMITS PER SRM 53-10-1, PAGE 16. REMOVED AND FABRICATED SEAT TRACK, INSTALLED PER SRM 51-30-2 PAGE 1. (M)

Part: LONGERON — CORRODED (BS 1168)

DURING H CHECK, FOUND CORROSION ON STR 27L AT FS 1168. REPAIRED PER EA 27-156099.

Part: FLOORBEAM — CORRODED (BS 1130)

DURING H CHECK, FOUND CORROSION ON UPPER CHORD OF FLOORBEAM AT FS 1130, RBL 16-27, WL 208. REPAIRED PER EA 27-154488.

Part: LONGERON — CORRODED (BS 950)

DURING H CHECK, FOUND CORROSION ON STR 29R AT FS 950. REPAIRED PER EA 27-154490.

Part: BATTERIES — DISCHARGED (CABIN)

DURING PREFLIGHT, FOUND EMERGENCY LIGHT ABOVE REAR EXIT INOPERATIVE. REPLACED BATTERIES AND CLEANED CONTACTS, OPERATIONAL CHECK OK.

Part: CONNECTORS — CORRODED (CABIN)

DURING PREFLIGHT, FOUND CEILING EMERGENCY LIGHT ROW 8 INOPERATIVE. CLEANED CORRODED TERMINALS AND INSTALLED SERVICEABLE BATTERIES. OPERATIONAL CHECK OK.

Part: LIGHT — INOPERATIVE (CABIN)

VENTRAL STAIR EMERGENCY LIGHT INOPERATIVE. CLEANED BATTERY CONTACTS, OPERATIONAL CHECK OK.

Part: BATTERIES — DISCHARGED (CABIN)

AFT FLIGHT ATTENDANT SEAT EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING SERVICE CHECK, FOUND THAT THE FORWARD GALLEY DOOR EMERGENCY LIGHT WILL NOT TEST. REPLACED THE BATTERY PACK, OPERATIONAL CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING SERVICE CHECK, FOUND THAT THE FORWARD GALLEY DOOR EMERGENCY LIGHT WILL NOT TEST. REPLACED THE BATTERY PACK, OPERATIONAL CHECK OK.

Part: BATTERY — DISCHARGED (CABIN)

DURING PREFLIGHT, FOUND AFT AIRSTAIR EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK OK.

Part: SENSOR — FAILED (RT MLG)

ON APPROACH WITH GEAR SELECTED TO THE DOWN POSITION, THE RIGHT MAIN GEAR FAILED TO INDICATE DOWN AND LOCKED. GEAR WAS RECYCLED AND ALL THREE GREEN GEAR INDICATION LIGHTS INDICATED NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. TROUBLESHOT THE RIGHT GEAR INDICATION SYSTEM. REPLACED OLD TYPE SENSOR WITH NEW TYPE SENSOR, OPERATIONAL CHECK OF LANDING GEAR INDICATION SYSTEM CHECKED OK.

Part: POSITION SWITCH — FAILED (NR 4 LE FLAP)

DURING CLIMB ON FLAP RETRACTION, AMBER LEADING EDGE LIGHT WOULD NOT EXTINGUISH. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 LEADING EDGE FLAP POSITION SWITCH. LEADING EDGE INDICATING SYSTEM OPERATIONALLY CHECKED OK.

Part: ANTI-ICE DUCT — FAILED (AFT FUSELAGE)

DURING CLIMB SHORTLY AFTER WING ANTI-ICE WAS TURNED ON, A THUMP WAS HEARD IN THE TAIL COMPARTMENT FOLLOWED BY A LOWER AFT BODY OVERHEAT INDICATION. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED BLOWN ANTI-ICE DUCT ON LEFT SIDE OF AFT VENTRAL AIRSTAIR COMPARTMENT. OPERATIONAL CHECK OF ANTI-ICE SYSTEM CHECKED NORMAL.

Part: SWITCH — FAILED (NR 4 LE FLAP)

DURING TAKEOFF, THE NR 4 LEADING EDGE SLAT INDICATED STILL DOWN ON SLAT/FLAP RETRACTION. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 LEADING EDGE SWITCH S-205. PERFORMED OPERATIONAL CHECK OF SLAT/FLAP INDICATION SYSTEM, OPERATIONAL CHECK OK.

Part: COMPRESSOR — STALLED (ENGINE)

UPON APPLICATION OF TAKEOFF POWER, AN ENGINE STALL OCCURRED. CREW ABORTED TAKEOFF AND RETURNED TO GATE. CREW WAS NOT ABLE TO DETERMINE WHICH ENGINE CAUSED THE STALL. WINDS WERE REPORTED GUSTING AT 24 KNOTS. MAINTENANCE INSPECTED INLETS AND OUTLETS ON ALL THREE ENGINES WHICH CHECKED OK. SUSPECT STALL CAUSED BY CROSSWINDS. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND THAT THE EXTERIOR LOWER LEFT AFT EMERGENCY LIGHT WAS INOPERATIVE. REPLACED THE BATTERY PACK, CHECKED OK.

Part: POSITION SWITCH — FAILED (NR 4 LE FLAP)

DURING CLIMB ON FLAP/SLAT RETRACTION, THE NR 4 LEADING EDGE SLAT STILL INDICATED IN TRANSIT. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED NR 4 LEADING EDGE FLAP/SLAT POSITION SWITCH AND FLAP/SLAT ANNUNCIATOR INDICATION PANEL, SYSTEM CHECKED OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PREFLIGHT, FOUND AFT FLASHLIGHT WOULD NOT TEST. REPLACED BATTERY PACK, CHECKED OK.

Part: T/O WARNING — ACTIVATED (COCKPIT)

DURING TAKEOFF ROLL, THE AIRCRAFT EXPERIENCED TAKEOFF WARNING INDICATION. TAKEOFF WAS ABORTED WITHOUT INCIDENT AND RETURNED TO THE GATE. SRQ MAINTENANCE PERFORMED FLIGHT CONTROL AND TAKEOFF WARNING CHECK, SYSTEM CHECKED OK.

Part: RMI — MALFUNCTIONED (NR 2)

DURING CRUISE FLIGHT, THE INSTRUMENT COMPARATOR LIGHT CAME ON IN FLIGHT WITH A 10 DEGREE SPLIT BETWEEN RMI'S. WHEN SWITCHING TO CAPTAIN'S OR FIRST OFFICER'S RMI HAD A 90 DEGREE SPLIT. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE INSTRUMENT SWITCHING UNIT, CONNECTOR D4883, SLAVING AMPLIFIER AND NR 2 RMI AND NR 1 DIRECTIONAL GYRO. OPERATIONALLY CHECKED NR 1 AND NR 2 COMPASS SYSTEMS, CHECKED OK.

Part: DN LOCK SENSOR — FAILED (LT MLG)

DURING GEAR EXTENSION, THE LEFT MAIN LANDING GEAR HAD NO INDICATION WARNING LIGHTS. ON THIRD GEAR EXTENSION, GEAR WARNING OPERATED NORMALLY, THREE GREEN LIGHTS. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED DAMAGED GEAR DOWNLOCK SENSOR. OPERATIONAL CHECK OF WARNING LIGHT AND LOCK CHECKED OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PREFLIGHT, FOUND AFT ENTRY EXIT EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK AND CHECKED OK.

Part: FCU WATER TRAP — CONTAMINATED (NR 3 ENGINE)

NR 3 ENGINE WAS SLOW TO ACCELERATE DURING TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE CLEANED THE FCU MOISTURE TRAP. SUBSEQUENT ENGINE RUN-UP WAS SATISFACTORY.

Part: COMPRESSOR — STALLED (NR 1 ENGINE)

THE NR 1 ENGINE EXPERIENCED COMPRESSOR STALLS DURING CLIMB-OUT FROM MSP. THE AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE WITH A SERVICEABLE UNIT.

Part: TARGET SENSOR — LACK OF LUBE (LT MLG)

DURING DEPARTURE CLIMB UPON LANDING GEAR RETRACTION, THE LEFT MAIN LANDING GEAR INDICATION REMAINED ILLUMINATED. RECYCLED LANDING GEAR WITH PROPER INDICATION. BOS MAINTENANCE CLEANED LEFT GEAR TARGET SENSOR AND GREASED UPLOCK HOOK.

Part: TIRE — FAILED (LEFT MLG)

DURING TAKEOFF, THE LEFT MAIN GEAR OUTBOARD TIRE RECAP SEPARATED AND INGESTED IN NR 1 ENGINE. THE NR 1 ENGINE COMPRESSOR STALLED. REDUCED THE NR 1 THRUST TO IDLE, JETTISONED 11,000 POUNDS OF FUEL, AND RETURNED TO DEN WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 1 AND NR 2 MAIN TIRES AND NR 1 ENGINE.

Part: BYPASS SWITCHES — MALFUNCTIONED (NR 2 ENGINE)

EN ROUTE TO MEM, THE NR 2 ENGINE OIL FILTER BYPASS WARNING ILLUMINATED. THRUST WAS REDUCED TO IDLE. THE FLIGHT CONCLUDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE OIL FILTER BYPASS AND LOW OIL PRESSURE SWITCHES. AN INSPECTION OF THE OIL FILTER REVEALED NO METAL CONTAMINATION. THE ENGINE WAS RUNUP AND CHECKED OK. AIRCRAFT RETURNED TO SERVICE.

Part: LANDING ACC UNIT — FAILED (E/E COMPARTMENT)

DURING DEPARTURE CLIMB UPON LANDING GEAR RETRACTION, RIGHT MAIN LANDING GEAR WOULD NOT RETRACT. FLIGHT RETURNED TO DTW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LANDING GEAR ACCESSORY UNIT. OPERATIONAL CHECK NORMAL.

Part: FLOOR BEAM — CORRODED (FS 267)

DURING PCK, MAINTENANCE FOUND FLIGHT DECK FLOOR BEAM BS 267, LBL 4 CORRODED. REPAIRED PER NWA EA 27-96484.

Part: SHEAR TIE — CORRODED (FS 950)

DURING PCK, MAINTENACE FOUND AFT CARGO BILGE FS 950B, BETWEEN STR 29L - 29R STEAR TIE CORRODED. REPAIRED PER SRM 53-10-4 PG 43 AND NWA EA 27-096481.

Part: LONGERON — CRACKED (VERT STAB)

DURING PCK, MAINTENANCE FOUND VERTICAL STABILIZER, FIN STA 157.2, STR 7 LEFT CRACKED. REPAIRED PER NWA EA 27096482.

Part: RIB CHORD — CRACKED (FS 760)

DURING PCK, MAINTENANCE FOUND WING TO BODY UPPER RIB CHORD, FS 760, RBL 70.5 CRACKED. REPAIRED PER NWA EA 27-096690.

Part: RIB — CRACKED (TE MID FLAP)

DURING PERIODIC CHECK, MAINTENANCE FOUND LEFT WING OUTBOARD MID FLAP CLOSURE RIB CRACKED. REPAIRED PER NWA EA 27-090164.

Part: FRAME — CRACKED (RT SERVICE DOOR)

DURING PCK, REMOVED AFT RIGHT SERVICE DOOR FOR RESTORATION. SHOP FOUND FORWARD FRAME CRACKED. REPAIRED PER SHOP COMPONENT MAINTENANCE MANUAL AND NWA EA 27-096699.

Part: FRAME — CRACKED (LT SERVICE DOOR)

DURING PCK, REMOVED AFT LEFT SERVICE DOOR FOR RESTORATION. SHOP FOUND FORWARD FRAME CRACKED AT UPPER HINGE CUT-OUT. REPAIRED PER COMPONENT MAINTENANCE MANUAL AND NWA EA 27-096700.

Part: VALVE — MALFUNCTIONED (NLG STEERING)

DURING TAKEOFF, FULL RIGHT RUDDER REQUIRED TO MAINTAIN RUNWAY CENTER LINE. ABORTED TAKEOFF AT 60 KTS AND RETURNED TO GATE. MAINTENANCE DUPLICATED MALFUNCTION. REPLACED NOSE LANDING GEAR METERING VALVE, RUDDER PEDAL STEERING MECHANISM, AND RIGGED STEERING SYSTEM. OPERATIONAL CHECK NORMAL.