# SDR UALA2013041002429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2013
- Submitted: April 17, 2013
- Operation: Air carrier
- Aircraft: [N784UA](https://openairdocs.org/aircraft/N784UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26951
- Aircraft time: 71,060 hours, 9,926 cycles
- Engine: Pwa PW40903
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- 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/UALA2013041002429

## Discrepancy

EMERGENCY LIGHTS INOPERATIVE AT R1 & L3 DOORS.  REPLACED BATTERY PACK.  OPS CHECKED OK.

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