# SDR AALA202207069515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2022
- Submitted: July 6, 2022
- Operation: Air carrier
- Aircraft: [N821AW](https://openairdocs.org/aircraft/N821AW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1406
- Aircraft time: 66,659 hours, 30,521 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Apu
- Part number: 38002784
- Part serial: R951
- Condition: Leaking
- Location: Zone 100 - Fuse
- Part time: 66,597 hours, 28,340 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202207069515

## Discrepancy

AIRCRAFT WAS GROUNDED: ON DESCENT AN ODOR BEGAN ON THE FLIGHT DECK. IT SEEMED TO DISSIPATE AND THEN RE-APPEAR. IT HAD A MUSTY SMOKEY ODOR THE FLIGHT ATTENDANTS REPORTED IT AS WELL. AFTER DEPLANING IT WAS STRONGEST MID-CABIN. APU BLEED WAS ON AT THIS TIME. MAINTENANCE FOUND THE APU TO BE THE SOURCE OF THE ODOR DUE TO AN INTERNAL OIL LEAK. **SUPPLEMENTAL REPORT FOR AALA202206239515: REPLACED APU PER TASK CARD 4920Y003-001. ** (CLOSED)

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