# SDR AALA202509290513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2025
- Submitted: September 29, 2025
- Operation: Air carrier
- Aircraft: [N801AW](https://openairdocs.org/aircraft/N801AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 889
- Aircraft time: 82,236 hours, 39,072 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202509290513

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EPSU BATTERY TEST FAILED ON RH EMERGENCY 12WL POS. MAINTENANCE REPLACED EPSU BATTERY RH EMERGENCY 12WL PER AMM 33-51-38.

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