# SDR AALA2018092549036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2018
- Submitted: September 25, 2018
- 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: 20,189 hours, 8,088 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 0496
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 20,180 hours, 8,085 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2018092549036

## Discrepancy

ALL FOUR ISLE RED EMERGENCY LIGHTS WERE INOPERATIVE AT THE FIRST OVERWING AREA DOORS.  MAINTENANCE TROUBLESHOT THE LIGHTS IAW TSM 33-51-00-810-802-A, AND FOUND A FAULTY POWER SUPPLY 14WL.  MAINTENANCE REPLACED THE POWER SUPPLY IAW AMM 33-51-38.

---
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.