# SDR DALA1248696809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2012
- Submitted: September 18, 2012
- Operation: Air carrier
- Aircraft: [N713TW](https://openairdocs.org/aircraft/N713TW), registered now
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 28173
- Aircraft time: 54,300 hours, 16,348 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/DALA1248696809

## Discrepancy

DURING EMERGENCY LIGHTS TEST,  FOUND LT DOOR EXIT OVERHEAD SIGN OUT AND GALLEY 1A EMERGENCY EXIT LIGHT OUT.  FOUND EMERGENCY LIGHT POWER SUPPLY M0731 BAD.  R & R POWER SUPPLY M0731 IAW AMM 33-5.  CHECKED OK.

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