# SDR AALA201607029004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2016
- Submitted: July 4, 2016
- Operation: Air carrier
- Aircraft: [N559UW](https://openairdocs.org/aircraft/N559UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5292
- Aircraft time: 12,668 hours, 5,231 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Condition: Warning Light
- Location: Emergency Lights
- Part time: 12,668 hours, 5,231 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201607029004

## Discrepancy

EMERGECNCY POWER SUPPLY UNIT 11WL FAULT LIGHT.  AIRCRAFT WAS GROUNDED.  REPLACED EMERGECNCY POWER SUPPLY UNIT 11WL  IAW AMM 33-51-38 PB 401 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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