N495UE

Part: ENGINE — MALFUNCTIONED (RT NACELLE)

FLT 6480 - GSO-IAD - DURING CRUISE, AIRCRAFT DIVERTED TO RDU DUE TO RIGHT ENGINE LOW OIL PRESSURE. CREW SHUTDOWN RIGHT ENGINE. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND IS IN THE PROCESS OF CHANGING THE RT ENGINE. MAINTENANCE COMPLETED THE REMOVAL AND REPLACEMENT OF RT ENGINE ON 9-11-98. MAINTENANCE GROUND RAN AIRCRAFT. OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: ENGINE — BIRDSTRIKE (LT NACELLE)

FLT 6392 - IAD-ORF - DURING TAKEOFF, MADE AN UNSCHEDULED LANDING DUE TO LEFT ENGINE HAD A BIRDSTRIKE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT ENGINE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: SWITCH — OUT OF ADJUST (LT MLG)

FLT 6292 - IAD-ROA - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO LEFT INTERNIST WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED UPLOCK SWITCH. OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: LINE — CHAFED (RT ENGINE)

FLT 6373 - SYR-IAD - DURING CRUISE, MADE AN UNSCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS LOSS OF ALL HYDRAULIC PUMP PRESSURE. LANDING GEAR WAS PUMPED DOWN. AIRCRAFT WENT TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED HYDRAULIC LINE TO HYDRAULIC PUMP, OPS CHECK OL. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: COMPRESSOR SEALS — WORN (LT/RT ENGINES)

IAD/BDL - FLT 6521 - DURING TAKEOFF ON 4-11-98 AT 1607 HOURS, EXPERIENCED A SMELL AND NOTICED SMOKE IN THE CABIN. THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO IAD. CREW AND PASSENGERS DEPLANED THE AIRCRAFT, MAINTENANCE CONTROL WAS NOTIFIED. AIRCRAFT WAS REPOSITIONED TO THE MAINTENANCE HANGAR WHERE IT WAS NOTICED THAT OIL WAS LEAKING FROM THE COMPRESSOR SEALS ON BOTH ENGINES. MAINTENANCE REMOVED AND REPLACED BOTH COMPRESSOR SEALS, PERFORMED GROUND RUNS, CHECKED FOR LEAKAGE. AIRCRAFT COMPLETED THE REQUIRED MAINTENANCE ACCEPTANCE FLIGHT WITH NO FURTHER PROBLEMS. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (X)

Part: ASI — FAILURE (RT COCKPIT)

FLT - 6282 - IAD-HPN - AIRCRAFT MADE A UNSCHEDULED LANDING AT IAD DUE TO FO'S ASI READING 40 KNOTS LOW. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED ASI, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FRO RETURN TO SERVICE. (M)

Part: TTL VALVE — FAILED (RT ENGINE)

FLT 6391 - IAD-CHO - DURING CRUISE, EXPERIENCED A FLUCTUATION OF THE RT EGT AND TQ INDICATIONS. AIRCRAFT RETURNED TO IAD WITH NO PROBLEM. AIRCRAFT TAXIED TO THE GATE WHERE MAINTENANCE CONTROL WAS NOTIFIED. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT AND REMOVED AND REPLACED THE RT ENGINE TTL VALVE. ALL REQUIRED CHECKS WERE ACCOMPLISHED AND THE AIRCRAFT WAS RELEASED FOR SERVICE. (M)

Part: TTL BYPASS VALVE — FAILED (RT ENGINE)

FLT 6362 - SYR-IAD - DURING TAKEOFF EXPERIENCED A DISCREPANCY WITH THE RT ENGINE ONLY MAKING 90 PERCENT TAKEOFF TORQUE. THE AIRCRAFT RETURED TO SYR AND MAINTENANCE CONTROL WAS NOTIFIED. MAINTENANCE REMOVED AND REPLACED THE TTL BYPASS VALVE ON THE RT SIDE IAW MM PROCEDURES. ALL REQUIRED CHECKS COMPLETED. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (M)

Part: DE-ICE BOOT — DAMAGED (VERT STABILIZER)

FLT 6475 - IAD-SCE - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO TAIL DE-ICE WOULD NOT INFLATE IN MANUAL OR AUTO MODE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND SMALL HOLES AND PATCHED VERTICAL STABILIZER DE-ICE BOOT, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: SEALANT — OUT OF POSITION (FUEL SYSTEM)

FLT 918 - LYH-IAD - DURING CLIMB MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE RPM SURGING. ENGINE SHUT DOWN AFTER 2 SURGES. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND SEALANT PARTIALLY BLOCKING INLET TO NEGATIVE G TANK. MAINTENANCE REMOVED EXCESS SEALANT AND PERFORMED GROUND RUN, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: COMPRESSOR SEAL — FAILURE (RT ENGINE)

FLT 6495 - MDT-IAD - DURING DESCENT, AIRCRAFT MADE AN SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS SMOKE IN CABIN WITH BOTH PACKS OFF. CREW DEPRESSURIZED AIRCRAFT. AIRCRFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RT ENGINE COMPRESSOR SEAL, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: OXYGEN MASK — BROKEN (CABIN)

FLT 6568 - IAD-SCE - DURING AN FAA INSPECTION, DEPLOYED OXYGEN MASK FOR INSPECTION. ONE MASK HAD LOOSE SCREW THAT HELD BAND TOGETHER. MAINTENANCE INSPECTED AND RESTORED MASKS AND REMOVED AND REPLACED ONE MASK. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: STARTER/GEN — FAILED (LT ENGINE)

DURING TAXI, FLT 6325 - IAD-GSO - DURING TAXI, RETURNED TO GATE DUE TO LT GENERATOR FAILED. MAINTENANCE INSPECTED AND REMOVED AND REPLACED STARTER/GENERATOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: CHECK VALVE — FAILURE (HYD SYSTEM)

LYH/IAD - FLT 918 - DURING APPROACH AT 1145 HOURS ON 3-14-97, AIRCRAFT MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS LT HYD RPESSURE DROPPED TO ZERO, AND RT HYD PRESSURE FLUCTUATED BETWEEN ZERO TO 800 PSI. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSP AND REMOVED AND REPLACED NON-RETURN CHECK VALVE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (X)

Part: PRESS SYST — MALFUNCTIONED (CABIN)

IAD/CLE - FLT 6594 - DURING DESCENT ON 3-12-97, EXPERIENCED A LOSS OF PRESSURIZATION WHILE DESCENDING AT FL 10,300 FEET. AIRCRAFT LANDED AT CLE WITH NO PROBLEMS. MAINTENANCE CONTROL WAS CONTACTED AND SYSTEM WAS DEFERRED UNDER MEL 21-14 (DDMI NR 40376). AIRCRAFT WAS THEN RETURNED TO SERVICE VIA THE DEFERRED MAINTENANCE ACTION. CHRONIC EVALUATION HAS BEEN OPENED ON THIS AIRCRAFT AND SYSTEM FOR FURTHER INDEPTH TROUBLESHOOTING AND REPAIR. MAINTENANCE CLOSED DMI 40376 ON 3-13-97 BY REPACKING NOSE STRUT, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (X)

Part: HYD LINE — CRACKED (LT ENGINE)

FLT 6230 - PHL-IAD - DURING DESCENT, MADE AN SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS BOTH LT AND RT HYD PRESSURE ON MAIN PUMPS DROPPED TO ZERO IN FLIGHT. CREW HAD TO MANUALLY PUMP GEAR DOWN TO GET GREEN LIGHTS. A/C WENT TO GATE WITH NO FURTHER PROBLEMS. MX INSPECTED AND FOUND CRACK IN HYD LINE FITTINGS CONNECTED TO LT HYD PUMP. MX REMOVED AND REPLACED HYD LINE, OPS CHECK OK. NO PRIOR PROBLEMS BEFORE THIS INCIDENT. A/C WAS RELEASED AND RETURNED TO SERVICE. (M)

Part: DOOR WARNING — MALFUNCTIONED (BAGG COMPARTMENT)

FLT 6475 - IAD-SCE - ABORTED TAKEOFF DUE POD DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED POD DOOR AND OPENED DMI 55422, MEL 52-10. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. MAINTENANCE CLOSED DMI 55422 ON 10-17-96 BY REPAIRING CONNECTION ON DOOR MICROSWITCH. OPS CHECK OK. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: SWITCH — ADJUSTED (POD DOOR)

FLT 6448 - IAD-HVN - DURING TAKEOFF, EXPERIENCED A POD DOOR CAPTION WARNING ILLUMINATION. THE AIRCRAFT RETURNED TO IAD WHERE THE MAINTENANCE ACTIVITY TROUBLESHOT THE PROBLEM AND DEFERRED THE ITEM UNDER MEL 52-1. MAINTENANCE CLOSED DMI 55418 BY ADJUSTING POD DOOR MICROSWITCH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: SMOKE DETECTOR — INOPERATIVE (BAGGAGE POD)

FLT 6283 - IAD-HPN - ABORTED TAKEOFF DUE TO A MOMENTARY BAGGAGE SMOKE LIGHT INDICATION. THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE REMOVED AND REPLACED THE BAGGAGE POD SMOKE DETECTOR IAW THE AIRCRAFT MM. THE AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: SWITCH STRIKER — OUT OF ADJUST (BAGGAGE POD)

FLT 6394 - HVN-IAD - ABORTED TAKEOFF, DUE TO THE POD DOOR WARNING LIGHT ILLUMINATING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MX OPENED DMI NR 55380 IAW MEL 52-1. MX LATER CLEARED DMI NR 55380 ON 4-44-96 BY ADJUSTING THE POD DOOR WARNING SWITCH STRIKER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: ADI — FAILED (LEFT)

FLT NR 6405 - IAD-HPE - DURING CLIMB-OUT RETURNED TO IAD DUE TO CAPTAINS ADI FLAGGED AND HORIZON TUMBLED IN FLIGHT. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED NR ADI, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: PITOT — FROZE UP (FWD FUS)

FLT NR 6302 - ISP-IAD - ABORTED TAKEOFF DUE TO THE CAPTAINS AIRSPEED INDICATOR REMAINING AT ZERO DURING THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE THAWED THE PITOT STATIC LINES TO THE NR 1 AIRSPEED INDICATOR. (M)

Part: ACM — OVERSERVICED (LT WING ROOT)

PHF/IAD - FLT 6242 AT 1848 HOURS ON 1-24-96, THE FLIGHT CREW REPORTED NOXIOUS FUMES FROM THE FLOWS IN-FLIGHT. CREW DEACTIVATED SYSTEM AND DEPLOYED OXYGEN MASKS. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED THE EXCESS OIL FROM THE LT ACM. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)

Part: CURRENT SENSOR — FAILED (FORWARD FUSELAGE)

FLT NR 6218 - IAD-ELM - DURING CLIMB-OUT, RETURNED TO IAD DUE TO THE NR 1 PITOT HEAT FAILING. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE CURRENT SENSOR. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: PACK — OVERSERVICED (LT WING)

IAD/ROC - FLT 6423 - DURING CLIMB-OUT AT 1940 HRS ON 12-20-95, AN EMERGENCY WAS DECLARED AND AIRCRAFT RETURNED TO IAD DUE TO THERE BEING SMOKE IN THE CABIN. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE DRAINED A SMALL AMOUNT OF OIL FROM THE LT COLD AIR UNIT. PERFORMED MAINTENANCE RUNS, BUT COULD NOT DUPLICATE DISCREPANCIES. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)

Part: COLD AIR UNIT — OVERSERVICED (LT WING ROOT)

FLT NR 6423 - IAD-ROC - DURING CLIMB-OUT AN EMERGENCY WAS DECLARED AND AIRCRAFT RETURNED TO IAD DUE TO THERE BEING SMOKE IN THE CABIN. AIRCRAFT LANDED AT IAS WITH NO FURTHER INCIDENT. MAINTENANCE DRAINED A SMALL AMOUNT OF OIL FROM THE LEFT COLD AIR UNIT. PERFORMED MAINTENANCE RUNS, BUT COULD NOT DUPLICATE DISCREPANCIES. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: WINDSHIELD — CRACKED (LEFT)

FLT NR 6583 - SWF-BOS - DURING CRUISE DECLARED AN EMERGENCY AND RETURNED TO SWF, DUE TO THE CAPTAINS WINDSCREEN OUTER PANE CRACKING AT 9000 FEET. AIRCRAFT LANDED AT SWF WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE CAPTAINS WINDSCREEN. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: FUEL CONTL UNIT — OUT OF ADJUST (LT ENGINE)

FLT NR 6383 - CMH-IAD - DURING TAKEOFF, ABORTED THE TAKEOFF DUE TO THE ENGINE DID NOT MAKE TARGET TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED SCREW X ON THE FUEL CONTROL. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: TQ SIGNAL COND — OUT OF ADJUST (LT ENGINE)

FLT 6247 - IAD-BGM - ABORTED TAKEOFF DUE TO THE LEFT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE RECALIBRATED THE TORQUE SIGNAL CONDITIONER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)

Part: STANDBY ADI — FAILURE (COCKPIT)

IAD-ROC - FLT 6452 - DURING CRUISE AT 1355 HOURS ON 1-9-95, RETURNED TO IAD DUE TO THE STANDBY ADI FAILING IN-FLIGHT. AIRCRAFT LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED STANDBY ADI. (X)