# SDR AALA2020031079011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2020
- Submitted: March 10, 2020
- Operation: Air carrier
- Aircraft: [N206UW](https://openairdocs.org/aircraft/N206UW), registered now
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27808
- Aircraft time: 80,930 hours, 27,355 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/AALA2020031079011

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: BULL NOSE EMERGENCY LIGHT AT SEAT ROW 1AC AND 3AC INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT M731 PER AMM 33-51-07-022-020/862-054 AND PERFORMED SATISAFACTORY OPERATIONAL CHECK PER 33-51-07-862-054.

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