# SDR AALA2020070549003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2020
- Submitted: July 5, 2020
- Operation: Air carrier
- Aircraft: [N907AA](https://openairdocs.org/aircraft/N907AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7732
- Aircraft time: 9,817 hours, 3,694 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 811042
- Condition: Inoperative
- Location: Cabin
- 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/AALA2020070549003

## Discrepancy

AIRCRAFT NOT GROUNDED - EMERGENCY POWER SUPPLY UNIT 15WL INOPERATIVE.  REMOVED AND REPLACED 15WL EPSU (EMERGENCY POWER SUPPLY UNIT) PER AMM 33-51-38, OPERATIONAL CHECK OKAY.

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