# SDR 2008UALA03543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2008
- Submitted: July 1, 2008
- Operation: Air carrier
- Aircraft: [N105UA](https://openairdocs.org/aircraft/N105UA), registered now
- Make and model: Boeing 747451
- Aircraft serial: 26473
- Aircraft time: 57,565 hours, 6,941 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/2008UALA03543

## Discrepancy

EMERGENCY EXIT SIGN INOP:DR3R EEL EXIT SIGN FWD OF DOOR.  FOUND FAULTY BATTERY PACK. REPLACED BATTERY PACK OP CHECKED GOOD.  AC OK FOR SERVICE.

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