# SDR AALA201705099025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2017
- Submitted: May 9, 2017
- Operation: Air carrier
- Aircraft: N202UW
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27811
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: BP573
- Condition: Failed
- 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/AALA201705099025

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE.  L4 DOOR EMERGENCY ESCAPE SLIDE LIGHT AND EMERGENCY EXIT SIGN FAILED CHECK.  REMOVED AND REPLACED POWER SUPPLY M737 IAW AMM 33-51-07-902-001.  OPERATIONAL CHECK GOOD..

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