# SDR AALA202207190194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2022
- Submitted: July 19, 2022
- Operation: Air carrier
- Aircraft: [N9004F](https://openairdocs.org/aircraft/N9004F), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 5745
- Aircraft time: 23,943 hours, 11,274 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: O-Ring
- Part number: M832481034
- Condition: Leaking
- Location: Zone 100 - Fuse
- Component: Apu, Honeywell, 1319A
- Component part number: 38007081
- 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/AALA202207190194

## Discrepancy

AIRCRAFT WAS GROUNDED: ON DESCENT NOTICED STRONG DIRTY SOCK ODOR. MAINTENANCE FOUND THE APU STARTER LEAKING OIL AND INGESTING IT INTO THE APU INLET. REPLACED APU STARTER O-RING PER AMM 49-42-51 AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
