# SDR AALA202107161008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2021
- Submitted: July 16, 2021
- Operation: Air carrier
- Aircraft: [N125UW](https://openairdocs.org/aircraft/N125UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 4086
- Aircraft time: 31,355 hours, 16,845 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 138385
- Condition: Inoperative
- Location: Zone 200 - Fuse
- Part time: 15,426 hours, 7,785 cycles
- 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/AALA202107161008

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FAILED TEST OF EMERGENCY POWER SUPPLY UNIT. REMVOED AND REPLACED EMERGENCY POWER SUPPLY UNIT 10WL IAW AMM 33-51-00.

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