# SDR UALA2012012000429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2012
- Submitted: February 23, 2012
- Operation: Air carrier
- Aircraft: [N171UA](https://openairdocs.org/aircraft/N171UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 24322
- Aircraft time: 84,409 hours, 10,042 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 582233
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012012000429

## Discrepancy

SEAT ROW 54HJK TO 60 HJK EMERGENCY LIGHTS IS INOP.   REPLACE BATTERY PACK FOR EMERGENCY LIGHTS SEAT ROWS 54-60 HJK.  CHECKS NORMAL.

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