N7444U
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| UNITED AIRLINES, INC. (CALA) | Operator | on 1979-09-15 | Operator named in NTSB report |
Accident & incident history
Operated by UNITED AIR LINES INC (per NTSB report)
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
14 reports on file, 1996-01-10 – 2001-02-03.
Part: SIGN — MISSING (CABIN) · airframe 61,001 hrs · 35,465 cycles
CENTER AISLE EXIT SIGN IS MISSING. *S/D* AIRCRAFT RETURNED TO GATE BECAUSE FLIGHT ATTENDANT NOTICED CENTER EXIT SIGN WAS MISSING FROM CEILING. REINSTALLED LIGHT ASSEMBLY ABOVE CEILING PANEL. OPERATIONS CHECK NORMAL.
Earlier reports · 1996–2000 · 13 reports
2000
Part: ACTUATOR — MALFUNCTIONED (SLATS) · airframe 60,383 hrs · 35,094 cycles
ON DEPARTURE FROM PVD, NR 2 LEADING EDGE SLAT REMAINED IN THE EXTENDED POSITION. DIVERTED TO BOSTON. *S/D* FOUND FAILED TAI TELESCOPING DUCT AND RESULTING DAMAGE TO NR 2 L/E SLAT. REPLACED FAILED DUCT AND NR 2 L/E SLAT ASSY PER MAINTENANCE MANUAL. SYSTEM OPS CHECK NORMAL.
Part: RELAY — FAILED (CABIN) · airframe 59,949 hrs · 34,836 cycles
AT DEPARTURE TIME CREW REPORTED EMERGENCY EXIT LIGHTS WOULD NOT EXTINGUISH. *S/D* REPLACED RELAY R70, LIGHTS OPS NORMAL.
Part: BATTERY PACK — INOPERATIVE (CABIN) · airframe 59,865 hrs · 34,787 cycles
INTERIOR EMERGENCY EXIT LIGHTS BOTH FORWARD AND AFT RIGHT HAND OVERWING DOORS ARE INOPERATIVE. *S/D* BATTERY PACK AND BATTERY CARTRIDGE AT STATION 800,OPERATIONAL CHECK OK.
Part: REGULATOR — FAILED (DEICE SYSTEM) · airframe 58,512 hrs · 33,922 cycles
ON CLIMBOUT OF ORD, NR 2 DUCT OVERHEAT OCCURRED WITH ANTI-ICE ON. RETRACTED THROTTLE NR 2 AND DUCT TEMPERATURE REDUCED AND STABLIZED. *S/D* THERMOSTATIC REGULATOR REPLACED.
1999
Part: UNKNOWN — SMOKE (CABIN) · airframe 58,364 hrs · 33,826 cycles
ON LANDING WHILE ENGINES WERE IN REVERSE SMOKE APPEARED IN CABIN. ENGINE BLEEDS AND PACKS WERE SHUT OFF PROBLEM WENT AWAY. *S/D* UNKNOWN CAUSE. SEATTLE MAINTENANCE TRIED TO DUPLICATE PROBLEM BY RUNNING ALL ENGINES AND PACKS, AND CYCLEING REVERSERS. PROBLEM COULD NOT BE DUPLICATED.
Part: BATTERY PACK — DISCHARGED (GALLEY)
OVERHEAD EMERGENCY EXIT SIGN AT AFT GALLEY LOCATION IS INOP. REPLACED BATTERY PACK, CHECKS NORMAL.
1997
Part: YAW DAMPER — FAILED (E/E COMPT)
THREE UNCOMMANDED RUDDER KICKS TO THE LEFT. APPEARS TO BE BOTH UPPER AND LOWER RUDDERS. HAPPENED ONLY AT 30,000 FEET. *S/D* REPLACED YAW DAMPER COUPLER AND SYSTEM CHECKED OK.
1996
Part: CHECK VALVE — BROKEN (RT WING)
CREW REPORTED FUEL ALL OVER THE RAMP AFTER HOSE DISCONNECTED FROM AIRCRAFT. *S/D* MAINTENANCE FOUND FILL CONNECTION CHECK VALVE MISSING. REMOVED ELBOW, BROKEN PIECES AND INSTALLED POPPET VALVE.
Part: INFLATION TUBE — LEAKING (DOOR SLIDE)
SLIDE REMOVED PER AIR CRUISERS SERVICE INFORMATION LETTER 25-98. DURING SHOP OVERHAUL A SEAM LEAK DEVELOPED ON THE INFLATION TUBE. SLIDE SCRAPPED.
Part: FUEL VENT TUBE — BROKEN (NR 1 FUEL TANK)
NUMBER 1 MAIN FUEL QUANTITY INOPERATIVE, GAUGE ERRATIC, ROLLS UP AND DOWN. CROSS-FEED OPEN, NR 2 MAIN PUMPS ON AND NR 1 PUMPS OFF. *S/D* MAINTENANCE REMOVED BROKEN VENT ELBOW IN NR 1 TANK, HAD ELBOW WELDED AND IT WAS REINSTALLED AND LEAK CHECKED OKAY.
Part: SMOKE DETECTOR — DAMAGED (RT LAV)
LAVATORY SMOKE ALARM DISCONNECTED IN FORWARD RIGHT HAND LAVATORY. *S/D* THE CAUSE OF THE FORWARD RIGHT HAND LAVATORY SMOKE DETECTOR BEING DISCONNECTED IS UNKNOWN. A NEW DETECTOR WAS INSTALLED AND IT CHECKED OK.
Part: BATTERY PACK — DISCHARGED (CABIN)
EMERGENCY LIGHT JUST FORWARD OF FORWARD GALLEY ON THE CEILING OVER THE AISLE IS INOPERATIVE. REPLACED WEAK BATTERY PACK.
Part: BATTERY PACK — DISCHARGED (AFT ENTRY DOOR)
AFT ENTRY DOOR EMERGENCY EXIT SLIDE LIGHT INOPERATIVE. REPLACED BATTERY PACK.