N509US
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| NORTHWEST AIRLINES INC | Operator | on 1995-08-04 | Operator named in NTSB report |
Accident & incident history
Operated by NORTHWEST AIRLINES, 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.
6 reports on file, 1995-06-09 – 2008-07-31.
Part: UNKNOWN — ODOR (CABIN) · airframe 74,052 hrs · 30,436 cycles
EN ROUTE THE CABIN CREW AND PASSENGERS REPORTED A STRONG, ACRID, ODOR LIKE BURNING PLASTIC THROUGHOUT THE ACFT. ACCORDING TO REPORTS SOME PASSENGERS REPORTED THAT THE FUMES WERE IRRITATING THEIR THROATS. THE FLIGHT CREW DECLARED AN EMERGENCY, DIVERTED TO DSM AND LANDED UNEVENTFULLY. AT THE TIME OF THIS WRITING MAINTENANCE IS WORKING ON THE ACFT TRYING TO DETERMINE THE SOURCE OF THE FUMES. OPEN. (S)
Part: HEATER — SPLIT (A/C BAY) · airframe 67,385 hrs · 27,880 cycles
DURING CRUISE CABIN PRESSURIZATION WAS LOST IN AUTO AND MANUAL. AN EMERGENCY DECENT WAS ACCOMPLISHED AND OXYGEN MASKS DID NOT DEPLOY. THE FLIGHT DIVERTED TO PIT AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE RT PACK PRESSURE AIR REHEATER SPLIT AND LEAKING BLEED AIR. REMOVED AND REPLACED PACK REHEATER, OPERATIONALLY CHECKED AND RETURNED TO SERVICE.
Part: FRAME — CORRODED · corrosion level 2 · airframe 57,170 hrs · 23,701 cycles
During "H" check found corrosion damage on lower sill frame of aft cargo doorway. Repaired per EA 55-193454.
Part: POWER SUPPLY — INOPERATIVE (CABIN)
DURING LINE MAINTENANCE, THE AFT SECTION OF EMERGENCY FLOOR LIGHTS WERE DIM AND PULSING. REPLACED POWER SUPPLY UNIT, OPERATIONAL CHECK OK.
Part: GASKET — LEAKING (LT ENGINE)
LEFT ENGINE WAS LOSING OIL AT APPROXIMATELY ONE QUART PER 16 MINUTES. AIRCRAFT DIVERTED TO LAS AND LANDED WITHOUT INCIDENT. FOUND GASKETS PINCHED ON NR 5 BEARING COVER. REPLACED GASKETS ON NR 5 BEARING HOUSING COVER AND ON NR 5 BEARING SCAVENGE TUBE.
Part: FLOORBEAM — CORRODED (FS 345)
DURING PERIODIC CHECK, FOUND CORROSION ON FLOORBEAM UPPER CHORD BS 345 AT LBL 22 TO RBL 25. REPAIRED BEAM (P/N 141N5111) PER EA 55-98496.