# SDR UALA2009021000439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2009
- Submitted: February 11, 2009
- Operation: Air carrier
- Aircraft: [N194UA](https://openairdocs.org/aircraft/N194UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26892
- Aircraft time: 47,475 hours, 5,380 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 582233
- Condition: Activated
- 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/UALA2009021000439

## Discrepancy

EMERGENCY LIGHTS INOP CEILING A AND B ZONE CEILING.  REPLACED EMERGENCY BATTERY PACK.

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