# SDR UALA2009082102574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2009
- Submitted: August 21, 2009
- Operation: Air carrier
- Aircraft: [N664UA](https://openairdocs.org/aircraft/N664UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29236
- Aircraft time: 38,850 hours, 10,871 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20131A
- Condition: Faulty
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009082102574

## Discrepancy

EMERGENCY LIGHTS ILLUMINATED IN FLIGHT ZONE-B.  NO OTHER AIRCRAFT MALFUNCTION.  REPLACED POWER SUPPLY, OPS CHECK OKAY.

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