# SDR UALA2009122804019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2009
- Submitted: December 28, 2009
- Operation: Air carrier
- Aircraft: N584UA
- Make and model: Boeing 757222
- Aircraft serial: 26706
- Aircraft time: 55,282 hours, 19,259 cycles
- Engine: Pwa PW2037
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Condition: Inoperative
- Location: Emergency Light
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009122804019

## Discrepancy

L1 & L2 EXTERIOR EMERGENCY LIGHTS INOP.  REPLACED BATTERY PACK FOR L1-L2 EXTERIOR EMERGENCY LIGHTS, OPS CHECK GOOD.

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