# SDR AALA202601083933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2026
- Submitted: January 8, 2026
- Operation: Air carrier
- Aircraft: [N831AW](https://openairdocs.org/aircraft/N831AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1576
- Aircraft time: 70,716 hours, 34,055 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 1439
- Condition: Faulty
- 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/AALA202601083933

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: INOP  EPSU-EMERGENCY POWER SUPPLY UNIT 11WL IN PASSENGER CABIN. MAINTENANCE REPLACED EPSU-EMERGENCY POWER SUPPLY UNIT 11WL IN PASSENGER CABIN IAW A320FAM AMM 33-51-38-000-001-A ANDA320 FAM AMM 33-51-38-400-001-A.

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