# SDR AALA202604287047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2026
- Submitted: April 28, 2026
- Operation: Air carrier
- Aircraft: [N969AN](https://openairdocs.org/aircraft/N969AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29546
- Aircraft time: 69,413 hours, 29,388 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Part time: 32,827 hours, 13,754 cycles
- Component: Apu, Hnywl
- Component part number: 22064002
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202604287047

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: REPEATED WRITE UP.  MUSTY ODOR IN THE FLIGHT DECK AND AFT GALLEY.  ODOR OF DIRTY SOCKS AND BURNING RUBBER REPORTED FROM FLIGHT ATTENDANT IN THE AFT GALLEY. ACCOMPLISHED WORK CARD 08L00021001. FOUND LT AND RT PACK BAY TO HAVE OIL RESIDUE ON DUCTING NEAR ACM. APU HAS INTERNAL LEAK REQUIRES REPLACEMENT.  REMOVED AND REPLACED APU. PER J/C 08L30049001. OPS CHECK GOOD.

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