# SDR AALA201603019003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 29, 2016
- Submitted: March 1, 2016
- Operation: Air carrier
- Aircraft: [N162UW](https://openairdocs.org/aircraft/N162UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1412
- Aircraft time: 51,094 hours, 19,017 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2141
- Condition: Faulted
- Location: Cabin
- Part time: 51,096 hours, 19,018 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/AALA201603019003

## Discrepancy

AIRCRAFT WAS IN BASE MX.  RT CTR EMER POWER SUPPLY UNIT 12WL FAULTED.  R & R EMER POWER SUPPLY UNIT, 12WL, IAW AMM 33-51-38-401.  PERFORMED OPERATIONAL TEST IAW AMM 33-51-00-710-001A, TEST IS GOOD.

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