# SDR AALA202605212742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2026
- Submitted: May 22, 2026
- Operation: Air carrier
- Aircraft: [N705UW](https://openairdocs.org/aircraft/N705UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 929
- Aircraft time: 71,694 hours, 42,205 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: O-Ring
- Condition: Leaking
- Location: Apu
- Stage of operation: NR
- 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/AALA202605212742

## Discrepancy

AIRCRAFT WAS GROUNDED: STRONG ODOR IN THE ENTIRE CABIN. MAINTENANCE FOUND APU OIL COOLING FAN LEAKING. REPLACED O-RING IAW AMM 49-52-51. LEAK CHECK GOOD.

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