# SDR AALA202212205811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2022
- Submitted: December 20, 2022
- Operation: Air carrier
- Aircraft: [N741UW](https://openairdocs.org/aircraft/N741UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1269
- Aircraft time: 58,635 hours, 35,758 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2066
- Condition: Fault Message
- Location: Zone 200 - Fuse
- Part time: 54,373 hours, 35,866 cycles
- 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/AALA202212205811

## Discrepancy

AIRCRAFT WAS GROUNDED: LEFT HAND EMERGENCY EXIT, EMERGENCY POWER SUPPLY UNIT SHOWS UNIT FAULT MESSAGE. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.