# SDR DALA1145693222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2011
- Submitted: August 1, 2011
- Operation: Air carrier
- Aircraft: N322US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 263
- Aircraft time: 60,589 hours, 26,949 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1145693222

## Discrepancy

DURING NON ROUTINE CHECK, FOUND THE EMERGENCY EPSU AT AFT   LEFT FAILED TEST.  MAINTENANCE REPLACED EPSU AND UNIT TEST WAS NORMAL.  AIRCRAFT RETURNED TO SERVICE.

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