# SDR AALA202306219355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2023
- Submitted: June 21, 2023
- Operation: Air carrier
- Aircraft: [N744P](https://openairdocs.org/aircraft/N744P), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1287
- Aircraft time: 58,586 hours, 37,194 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Lubrication Unit
- Part number: 41310204
- Part serial: 3395
- Condition: Leaking
- Location: Apu
- 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/AALA202306219355

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING DESCENT FLIGHT CREW REPORTED AN OILY OR DIRTY SMELL IN THE FLIGHT DECK.. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202305259355: MAINTENANCE FOUND THE APU OIL LUBE MODULE LEAKING AND REPLACED IT PER AMM 49-91-45. ** (CLOSED)

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