# SDR 2008UALA03485

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2008
- Submitted: July 15, 2008
- Operation: Air carrier
- Aircraft: [N648UA](https://openairdocs.org/aircraft/N648UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25285
- Aircraft time: 67,307 hours, 10,976 cycles
- Engine: Pwa PW4060
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: S283T0143
- Condition: Malfunctioned
- 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/2008UALA03485

## Discrepancy

EMERGENCY ESCAPE PATH LIGHTING COMES ON FROM ROW 28 TO DOOR 2R (ONLY ON RIGHT SIDE OF A-C).  AFTER TROUBLESHOOTING FOUND FAULTY POWER SUPPLY.  REPLACED POWER SUPPLY M734 AND OPS CHECKS OK.  AC OK FOR SERVICE.

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