# SDR CALA2014061391276

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2014
- Submitted: June 13, 2014
- Operation: Air carrier
- Aircraft: [N171UA](https://openairdocs.org/aircraft/N171UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 24322
- Aircraft time: 93,641 hours, 10,971 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- 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/CALA2014061391276

## Discrepancy

UPPER DECK LT DOOR UPPER EMER EXIT LIGHT IS INOPERATIVE.  REPLACED BATTERY POWER PACK.  OPERATIONS CHECK OK.

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