# SDR UALA2010050401499

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2010
- Submitted: May 5, 2010
- Operation: Air carrier
- Aircraft: N568UA
- Make and model: Boeing 757222
- Aircraft serial: 26674
- Aircraft time: 57,634 hours, 21,255 cycles
- Engine: Pwa PW2040
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20121
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010050401499

## Discrepancy

EMERGENCY LIGHT ABOVE 21ABC INOP DURING TEST.  REPLACED M735 EMERGENCY LIGHTS PWR SUPPLY, LITE OPS RETURNED TO NORMAL DURING TEST.

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