# SDR AALA202509036566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2025
- Submitted: September 3, 2025
- Operation: Air carrier
- Aircraft: [N770UW](https://openairdocs.org/aircraft/N770UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1393
- Aircraft time: 61,550 hours, 39,575 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2873
- 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/AALA202509036566

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: INOP EPSU 13WL. MAINTENANCE REPLACED EPSU (13WL) P/N: 3214-54-10, S/N: 5245 IAW AMM 33-51-38-000-001-A AMM 33-51-38-400-001-A.

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