# SDR 2008UALA03749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2008
- Submitted: July 17, 2008
- Operation: Air carrier
- Aircraft: N178UA
- Make and model: Boeing 747422
- Aircraft serial: 24385
- Aircraft time: 75,733 hours, 9,286 cycles
- Engine: Pwa PW4056
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 582240
- Condition: Inoperative
- Location: Emergency Light
- 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/2008UALA03749

## Discrepancy

EEL'S INOP AT DOOR R3 & L3 AISLEWAYS.  FOUND FAULTY BATTERY PACK.  REPLACED BATTERY PACK, OP CHECK OK REF MM 33-51-04.  AC OK FOR SERVICE.

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