# SDR UALA2009110903502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2009
- Submitted: November 9, 2009
- Operation: Air carrier
- Aircraft: N594UA
- Make and model: Boeing 757222
- Aircraft serial: 28145
- Aircraft time: 43,601 hours, 16,058 cycles
- Engine: Pwa PW2037
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Condition: Discharged
- Location: Cabin
- 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/UALA2009110903502

## Discrepancy

EMERGENCY EXIT SLIDE LIGHT AT DOOR 2L IS INOP.  REPLACED BATTERY ON POWER SUPPLY MODULE M733, TESTS OKAY.

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