# SDR AALA202111220671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N103US](https://openairdocs.org/aircraft/N103US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 861
- Aircraft time: 59,522 hours, 34,211 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Component: Apu, Hnywl
- Component part number: 38007081
- Stage of operation: AP
- 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/AALA202111220671

## Discrepancy

AIRCRAFT WAS GROUNDED: ON  APPROACH SMELLED OIL/FUMES IN FLIGHT DECK. MAINTENANCE FOUND OIL COMING FROM THE APU LOAD COMPRESSOR DRAIN CAVITY DURING THE INITIAL TROUBLESHOOTING .  REPLACED APU AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER TASK CARD 26L31049003.

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