N918RW

Part: STIFFENER — CRACKED (FUSELAGE) · airframe 97,971 hrs · 80,376 cycles

DURING H-CHECK, FOUND CRACKS IN VERTICAL STIFFENERS AT BS 756 L28R, L28L AND ABOVE L26L. REPAIRED PER EA 99-200337.

Part: CONTROLLER — INTERMITTENT (CABIN PRESSURE) · airframe 97,777 hrs · 80,226 cycles

FLIGHT CREW WAS NOT ABLE TO CONTROL THE PRESSURIZATION WITH AUTOMATIC CONTROL AFTER TAKEOFF, UTILIZED MANUAL CONTROL. MANUAL CONTROL FAILED AND THE OUTFLOW VALVE WENT FULL OPEN AT FL230. EMERGENCY DESCENT TO 10,000 FT AND THEN NORMAL DESCENT TO 6,000 FT. CABIN ALTITUDE REACHED A MAXIMUM ALTITUDE OF 11,000 FT DURING THE DESCENT AND THE MASKS DID NOT DEPLOY. FLIGHT RETURNED TO A NORMAL NON-EMERGENCY LANDING BACK TO DTW. MAINTENANCE REPLACED THE CABIN PRESSURE CONTROLLER AND THE CABIN PRESSURE RESET REGULATOR. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — CORRODED · corrosion level 2 · airframe 94,711 hrs · 77,985 cycles

During "L" check found cracks in fuselage nose skin BS 69.5 fastener holes. Repaired per EA 99-190934.

Part: ANGLE — CRACKED (BS 180)

DURING M-CHECK, FOUND CRACK AT FORWARD ENTRY DOOR JAMB LOWER DEPRESSOR ANGLES FS 180. REPAIRED PER EA 99-160834 (P/N 5957094-1).

Part: BATTERIES — DISCHARGED (CABIN)

DURING PERIODIC CHECK, FOUND EMERGENCY LIGHTS BETWEEN ROWS 9 THRU 11 AND AT LEFT FORWARD OVERWING EMERGENCY EXIT INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

FLIGHT ATTENDANT REPORTED EMERGENCY LIGHTS BETWEEN ROWS 8 THRU 10 WOULD NOT EXTINGUISH WITH SWITCH IN OFF POSITION. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

FLIGHT ATTENDANT REPORTED FORWARD EMERGENCY FLASHLIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: COMPUTER — FAILED (NR 2 STALL WARN)

STALL WARNING INDICATION FAILURE LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT WAS RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 2 STALL WARNING COMPUTER AND TRANSDUCER, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND LEFT AND RIGHT FORWARD EMERGENCY LIGHTS DIM. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE MAINTENANCE INSPECTION, FOUND LEFT AND RIGHT AFT EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL.

Part: TEMP SENSOR — FAILED (TAIL COMPT)

TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED TEMPERATURE SENSOR, OPERATIONAL CHECK NORMAL.

Part: SLIDE — FAILED TEST (PAX DOOR)

DURING PERIODIC CHECK, MAIN CABIN DOOR EMERGENCY EVACUATION SLIDE FAILED BATTERY TEST. REPLACED SLIDE.

Part: STRAP — CRACKED (NR 2 PYLON)

DURING LINE CHECK, FOUND A BROKEN NR 2 PYLON UPPER AFT ENGINE MOUNT STRAP. ALSO, FOUND CRACKS IN THE PYLON WEB LOWER CHANNEL 10 OUTBOARD FROM THE FUSELAGE AT THE LOWER ENGINE MOUNT STRAP AND IN THE UPPER INBOARD PYLON TO FUSELAGE ATTACH ANGLE 15 FORWARD OF THE AFT ENGINE MOIUNT SPAR. REPLACED BOTH THE UPPER AND LOWER AFT ENGINE MOUNT STRAPS PER EA 99-111804, REPAIRED THE WEB PER SRM 54-01, FIG 2 AND REPAIRED THE ATTACH ANGLE PER SRM 54-04, FIG 10.

Part: GENERATOR — FAILED (RT ENGINE)

RIGHT ENGINE GENERATOR TRIPPED OFF LINE AFTER TAKEOFF. RIGHT GEN OFF LIGHT WAS ILLUMINATED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT GENERATOR, OPERATIONAL CHECK NORMAL.

Part: FITTING — CORRODED (FS 980-995)

DURING LINE CHECK, FOUND CORROSION ON THE LONGERON 23L END FITTING AT FS 980 TO 995. REPLACED FITTING PER SRM 51-30-2, 51-30-5.

Part: BATTERIES — DISCHARGED (COCKPIT)

DURING PREFLIGHT CHECK, FOUND COCKPIT OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES AND OPERATIONAL CHECK NORMAL.

Part: O-RING — SPLIT (RT BOOST PUMP)

DURING CLIMB AFTER CENTER TANK WAS EMPTY, THE RIGHT FUEL PRESSURE LOW LIGHT ILLUMINATED. RIGHT FUEL INDICATION DID NOT DECREASE AND THE LEFT FUEL INDICATION WAS DECREASING AT THE RATE OF EQUAL TO BOTH ENGINE BURNS. ACCOMPLISHED COCKPIT OPERATING MANUAL PROCEDURES AND FUEL LOW PRESSURE LIGHT EXTINGUISHED WITH CROSSFEED ON. FLIGHT RETURNED TO PHX AND LANDED WITHOUT INCIDENT. RIGHT FUEL INDICATION DID DECREASE ON DESCENT. REPLACED O-RING AT RIGHT AFT FUEL BOOST PUMP PRESSURE LINE. ALSO, REPLACED THE LEFT ENGINE LOW PRESSURE FUEL FILTERS. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE.

Part: PT2 PROBE — MALFUNCTIONED (NR 1 ENGINE)

NR 1 ENGINE EPR INDICATION LOW ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE CLEANED THE PT2 LINE, LEAK CHECKED THE PT2 SYSTEM AND REPLACED THE NOSE DOME/PT2 PROBE ASSEMBLY. SUBSEQUENT RUNUP WAS SATISFACTORY.

Part: EPR INDICATOR — FAILED (NR 1 ENGINE)

NR 1 EPR INDICATION LOW ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE EPR INDICATOR AND PERFORMED A TAKEOFF POWER ASSURANCE RUN. THE NR 1 EPR SYSTEM OPERATION WAS NORMAL ON RUNUP.

Part: COMPRESSOR — STALLED (NR 1 ENGINE)

ONE OR BOTH ENGINES EXPERIENCED A COMPRESSOR STALL ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED BOTH ENGINES. THE NR 1 ENGINE WAS REPLACED WITH A SERVICEABLE UNIT. SNOW AND SLUSH INGESTION IS SUSPECTED AS THE PRIME CAUSE OF THE COMPRESSOR STALL.

Part: FUEL PRESS SW — FAILED (NR 2 ENGINE)

WHEN TAKEOFF POWER WAS APPLIED, THE NR 2 ENGINE INLET FUEL PRESSURE LOW WARNING LIGHT ILLUMINATED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. THE SYSTEM WAS PLACED ON MEL AND AIRCRAFT CONTINUED IN SERVICE. SUBSEQUENT REPLACEMENT OF THE LOW FUEL PRESSURE SWITCH CORRECTED SYSTEM DISCREPANCY.

Part: LONGERON — CRACKED (FS 945)

DURING H-CHECK, FOUND A ONE INCH CRACK IN LONGERON 17R, FS 945 BOTH FRAME ATTACH POINTS. REPAIRED LONGERON (P/N 5911427-9), PER EA 99-100870.

Part: RELEASE SYST — OUT OF ADJUST (TAILCONE)

DURING H-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO REMOVE THE INTERIOR HANDLE FROM THE CLIPS AND RELEASE THE TAILCONE. ADJUSTED THE CLIPS AND RELEASE, SYSTEM CHECKED OK.

Part: FITTING — CORRODED (FS 758-760)

DURING H-CHECK, FOUND CORROSION ON THE LONGERON 30 END FITTING AT FS 758 TO 760. REPLACED END FITTING PER SRM 53-02 FIG 12.

Part: SKIN — CORRODED (FS 639)

DURING H-CHECK, FOUND CORROSION IN THE INNER SKIN AT FS 639, LONGERON 18L. REPAIRED PER EA 99-10973.

Part: LONGERON — CORRODED (FS 570)

DURING H-CHECK, FOUND CORROSION ON LONGERON 30 AT THE FS 570 SPLICE. REPAIRED SPLICE (P/N 5920319-504), PER EA 99-97125.

Part: FITTING — CRACKED (CARGO DOOR)

DURING H-CHECK, FOUND A CRACK IN THE AFT CARGO DOOR FRAME AND FITTING LOCATED IN THE UPPER FORWARD ACCESS NR 1. REPLACED THE FITTING.

Part: HINGE — CORRODED (NR 3 FLAP)

DURING H-CHECK, FOUND CORROSION IN THE NR 3 FORWARD FLAP HINGE STUD HOLES. REPLACED HINGE PER CITEXT 09-5740-1-9800.

Part: FITTINGS — CORRODED (FS 168-200)

DURING H-CHECK, FOUND CORROSION ON FRAME FITTINGS FORWARD AND AFT OF THE GALLEY SERVICE DOOR FS 168 AND FS 200. REPLACED FITTINGS PER SRM 51-10-04.

Part: TEMP SENSOR — MALFUNCTIONED (NR 1 ENGINE)

CLIMBOUT OF MSP, THE NR 1 ENGINE OIL TEMPERATURE WAS FLUCTUATING AND SEEMED TO STABILIZE AT 170 DEGREES. THE FLIGHT RETURNED TO MSP LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED THE OIL TEMPERATURE SENSOR, SYSTEM OPERATION APPEARED TO BE NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: CONNECTOR — MALFUNCTIONED (NR 1 OIL TEMP)

CLIMBING OUT OF MSP, THE NR 1 OIL TEMPERATURE INDICATED 170 DEGREES, THEN BEGAN FLUCTUATING BETWEEN 100 TO 170 DEGREES. THE FLIGHT RETURNED TO MSP LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED THE CANNON PLUG ON THE OIL TEMPERATURE SENSOR, SYSTEM CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: INDICATION — MALFUNCTIONED (LE SLAT)

SLAT EXTEND, BLUE LIGHT DID NOT ILLUMINATE WITH FLAPS EXTENDED TO 15 DEGREES FOR TAKEOFF. ABORTED TAKEOFF AND RETURNED TO GATE. PULLED AND RESET SLAT EXTEND SWITCH CIRCUIT BREAKERS, CYCLED SLATS SEVERAL TIMES. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURIZATION — MALFUNCTIONED (CABIN)

AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. PERFORMED CHECK OF AUTO AND MANUAL PRESSURIZATION SYSTEM. DISCREPANCY COULD NOT BE DUPLICATED. AIRCRAFT RETURNED TO SERVICE.

Part: VERT GYRO — MALFUNCTIONED (LT COCKPIT)

CAPTAIN'S ATTITUDE INDICATOR GYRO FLAG APPEARED DURING CLIMB-OUT. PITCH WENT TO 15 DEGREES AND LOCKED. FLIGHT RETURNED TO GTF AND LANDED WITHOUT INCIDENT. REPLACED CAPTAIN'S VERTICAL GYRO AND ADI. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: FUEL TANK — VENTING (RT MAIN TANK)

FUEL BEGAN VENTING FROM THE RIGHT MAIN TANK EN ROUTE MSP-HPN. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. PERFORMED BACKFLUSH PROCEDURE PER MM 28-20-0. AIRCRAFT RETURNED TO SERVICE.

Part: WING — FUEL LEAK (LEFT)

FUEL BEGAN LEAKING FROM LEFT WING EN ROUTE HPN-MSP. FUEL WAS VENTING FROM RIGHT TANK AT A RATE OF 800 LBS PER HOUR. FLIGHT CONTINUED TO MSP AND LANDED WITHOUT INCIDENT. PERFORMED FUEL TANK BACKFLUSH PROCEDURE PER MAINTENANCE MANUAL. NO TRANSFER PROBLEMS WERE NOTED ON GROUND. AIRCRAFT RETURNED TO SERVICE.

Part: FUEL SYS — VENTING (RT TANK)

FUEL BEGAN LEAKING FROM LEFT WING ENROUTE HPN-MSP. FUEL WAS VENTING FROM THE RIGHT TANK AT A RATE OF 800 POUNDS PER HOUR. FLIGHT CONTINUED TO MSP AND LANDED WITHOUT INCIDENT. PERFORMED FUEL TANK BACKFLUSH PROCEDURE PER MAINTENANCE MANUAL. NO TRANSFER PROBLEMS WERE NOTED ON GROUND. AIRCRAFT RETURNED TO SERVICE.