# SDR AALA202410158957

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2024
- Submitted: October 15, 2024
- Operation: Air carrier
- Aircraft: [N142AN](https://openairdocs.org/aircraft/N142AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6711
- Aircraft time: 28,144 hours, 11,056 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Packing
- Part number: AS3209139
- Condition: Leaking
- Location: Zone 100
- 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/AALA202410158957

## Discrepancy

AIRCRAFT WAS GROUNDED: PREVIOUS FLIGHT ATTENDANTS NOTICED FUMES ON THE DESCENT AND AIRCRAFT WAS REFUSED DUE OT ACRID SMELL. **SUPPLEMENTAL REPORT FOR AALA202410078957:  MAINTENANCE FOUND THE APU COOLING FAN COVERED IN OIL AND REPLACED THE COOLING FAN O-RING / PACKING ALONG WITH THE COOLING FAN TRANSFER TUBE O-RINGS / PACKINGS PER AMM 49-52-51. (AALA202410157028). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED** (CLOSED)

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