# SDR WX0A071806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2013
- Submitted: January 3, 2014
- Operation: Air carrier
- Aircraft: [N878GA](https://openairdocs.org/aircraft/N878GA), registered now
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 53487
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6011779
- Part serial: 729
- Condition: Inoperative
- Location: Cabin
- 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/WX0A071806

## Discrepancy

OVERWING EMERGENCY LIGHTS INOPERATIVE, LT & RT SIDES.  REMOVED POWER SUPPLY CONTROLLER FOR EXTERNAL EMERGENCY LIGHTS.  REPLACED POWER SUPPLY FOR EXTERIOR LIGHTS IAW MM 33-53-00.  REMOVED RELAY FOR EXTERIOR EMERGENCY LIGHTS IAW MM 33-53-00.  R & R OVERWING POWER SUPPLY & OPERATIONS CHECKED GOOD AT THIS TIME IAW AMM 33-53-00.

---
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.