# SDR UALA2011102805851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2011
- Submitted: November 23, 2011
- Operation: Air carrier
- Aircraft: N512UA
- Make and model: Boeing 757222
- Aircraft serial: 24809
- Aircraft time: 73,278 hours, 22,824 cycles
- Engine: Pwa PW2037
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20121
- 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/UALA2011102805851

## Discrepancy

EMERGENCY LIGHTS AT SEATS 2A AND 3A ARE INOPERATIVE.  REPLACED EMERGENCY LIGHT BATTERY PACK, OPS CHECKED NORMAL.

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