# SDR AALA202105199007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2021
- Submitted: May 19, 2021
- Operation: Air carrier
- Aircraft: [N156AN](https://openairdocs.org/aircraft/N156AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6983
- Aircraft time: 15,245 hours, 5,832 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 151295
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202105199007

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: 15WL EMERGENCY POWER SUPPLY UNIT INOPERATIVE. REMOVED AND REPLACED 15WL EMERGENCY POWER SUPPLY UNIT PER AMM: 33-51-38.

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