# SDR UALA2011060202684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2011
- Submitted: June 3, 2011
- Operation: Air carrier
- Aircraft: [N808UA](https://openairdocs.org/aircraft/N808UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 804
- Aircraft time: 45,972 hours, 18,117 cycles
- Engine: Iae V2522A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Condition: Failed
- 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/UALA2011060202684

## Discrepancy

DURING 3 SERVICE EMERGENCY EXIT LIGHT TEST, EPSU BATTERY FWD LEFT AND EPSU BATTERY AFT LEFT FAILED.  REPLACED EPSU BATTERY AFT LEFT.  PASSES BITE TEST ON EPSU.  REPLACED EPSU BATTERY OVER DOOR 1L AS PER MM AND ACCOMPLISHED SYSTEM TEST PER MM.  SYSTEM OPS NORMALLY.

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