# SDR UALA2009062401779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2009
- Submitted: June 28, 2009
- Operation: Air carrier
- Aircraft: [N117UA](https://openairdocs.org/aircraft/N117UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 28810
- Aircraft time: 42,018 hours, 5,180 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 582233
- Condition: Faulty
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009062401779

## Discrepancy

EMERGENCY EXIT LIGHTS CAME ON IN FLT IN D-ZONE ABC AND ROWS 54-60 HJK.  REPLACED BATTERY PACK AT DEFECTIVE EMERGENCY LIGHT ON LT SIDE, NO DEFECT FOUND ON GROUND.

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