NTSB investigations · 1
Matched to this aircraft by N509US and the event date: up to this one’s cancellation.
Service difficulty reports · 6
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR NWAA083555509Unknown · odorEN 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 DSMSDR 0601695509Heater · splitDURING 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 SDR 0300035509Frame · corrodedDuring "H" check found corrosion damage on lower sill frame of aft cargo doorway. Repaired per EA 55-193454.SDR 9618505509Power Supply · inoperativeDURING LINE MAINTENANCE, THE AFT SECTION OF EMERGENCY FLOOR LIGHTS WERE DIM AND PULSING. REPLACED POWER SUPPLY UNIT, OPERATIONAL CHECK OK.SDR 9514905509Gasket · leakingLEFT 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.SDR 9509345509Floorbeam · corrodedDURING 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.