# SDR UALA2011100305345

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2011
- Submitted: October 27, 2011
- Operation: Air carrier
- Aircraft: N572UA
- Make and model: Boeing 757222
- Aircraft serial: 26682
- Aircraft time: 62,344 hours, 22,904 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: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011100305345

## Discrepancy

EMERGENCY LIGHTS INOPERATIVE IN FIRST CLASS.  REPLACED BATTERY PACK AT M732 ABOVE DOOR 2R.  CHECKED OKAY.

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