# SDR AALA202412165481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2024
- Submitted: December 16, 2024
- Operation: Air carrier
- Aircraft: [N9016](https://openairdocs.org/aircraft/N9016), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 6040
- Aircraft time: 28,871 hours, 13,868 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202412165481

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AFT EPSU FAULT AND LEFT EMER EPSU FAULT DURING EPSU TEST.MAINTENANCE REPLACED EPSU BATTERIES AT FWD AND LEFT EMER LOCATIONS REF CMM 33-51-1.

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