# SDR AALA201708099021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2017
- Submitted: August 9, 2017
- Operation: Air carrier
- Aircraft: [N179UW](https://openairdocs.org/aircraft/N179UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1521
- Aircraft time: 55,098 hours, 20,528 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2315
- Condition: Faulty
- Location: Cabin
- Part time: 53,507 hours, 20,020 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/AALA201708099021

## Discrepancy

EMERGENCY. POWER SUPPLY ABOVE R3 DOOR FAULTING. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT ABOVE R3 DOOR IAW AMM.

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