# SDR AALA202005189002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2020
- Submitted: May 18, 2020
- Operation: Air carrier
- Aircraft: [N910AU](https://openairdocs.org/aircraft/N910AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7876
- Aircraft time: 8,924 hours, 3,426 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Faulted
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202005189002

## Discrepancy

AIRCRAFT NOT GROUNDED - EPSU SYSTEM TEST, FAULT ON BATTERY 11WL.  REMOVED AND REPLACED EPSU BATTERY 11WL PER AMM 33-51-38, OPERATIONAL CHECK GOOD, NO FAULTS FOUND AT THIS TIME, AIRCRAFT OKAY FOR SERVICE.

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