# SDR WX0A2025070932495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2025
- Submitted: July 9, 2025
- Operation: Air carrier
- Aircraft: [N279NV](https://openairdocs.org/aircraft/N279NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 5250
- Aircraft time: 35,697 hours, 23,311 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Stage of operation: DE
- 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/WX0A2025070932495

## Discrepancy

(AIRCRAFT NOT GROUNDED) DURING DESCENT ALL CREWMEMBERS DETECTED DIRTY SOCK ODORS.  REF LP 1967836. REPLACED FCU PER AMM 49-32-11-000/400-003-A. LEAK CHECK GOOD. NO LEAKS NOTED AT THIS TIME. PER TC 21-000-001 LEVEL 2 DUE. (RESOLVED ON W/O: 525871 TASKCARD: NR-00001 ) W/O 21-000-002. RAN APU IAW AMM 49-00-00-710-010-A. DURING RUN FOUND OIL LEAKING IN THE INTERNAL SIDE OF THE INTAKE.PICTURES SUBMITTED TO TSR-1749. VIDEOS HAVE BEEN ALSO SUBMITTED ON TSR 1749. THIS MEL 49-10-01-A. PERFORMED APU CLEANING IAW AMM 49-00-00-100-003-A. PERFORMED LEAK CHECK, FOUND OIL COOLER LEAKING. REMOVED AND REPLACED APU OIL COOLER PER AMM 49-91-44-000-001A AND 49-91-44-400-001A. OPS/LEAK CHECK GOOD.

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