# SDR AALA2018080879035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2018
- Submitted: August 8, 2018
- Operation: Air carrier
- Aircraft: [N544UW](https://openairdocs.org/aircraft/N544UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4847
- Aircraft time: 24,345 hours, 9,074 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 137807
- Condition: Failed
- Location: Emergency Lights
- Part time: 24,338 hours, 9,072 cycles
- 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/AALA2018080879035

## Discrepancy

EMERGENCY LIGHT TEST FAILED, FOR THE 14WL POWER SUPPLY.  REPLACED THE POWER SUPPLY IAW MM 33-51-00.   OPS CHECKED NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.
