# SDR HALA2022112800302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2022
- Submitted: November 29, 2022
- Operation: Air carrier
- Aircraft: [N205HA](https://openairdocs.org/aircraft/N205HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 8092
- Aircraft time: 12,302 hours, 2,711 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Pressure Switch
- Condition: Faulted
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2022112800302

## Discrepancy

ETOPS- APU AUTOSHUTDOWN APPROX 5 MINUTES AFTER REACHING THE GATE.  USING TSM 49-00-81-810-849-A, FOUND OIL PRESSURE SWITCH FAULTING.  REMOVED AND REPLACED 8070KM & 8071KM PER AMM 49-91-14, AND CHANGED FILTER ELEMENTS PER AMM 49-91-41.  OPS AND LEAK CHECKS, BOTH WERE GOOD.

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