# SDR AALA201809209016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2018
- Submitted: September 20, 2018
- Operation: Air carrier
- Aircraft: [N926UW](https://openairdocs.org/aircraft/N926UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6618
- Aircraft time: 11,925 hours, 4,568 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulty
- Location: Emergency Lights
- 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/AALA201809209016

## Discrepancy

CIDS1 MESSAGE FOR THE EMERGENCY POWER SUPPLY UNIT 13WL.  REPLACED THE POWER SUPPLY IAW AMM 33-51-38.

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