# SDR DALA2019040702267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2019
- Submitted: April 7, 2019
- Operation: Air carrier
- Aircraft: [N333NB](https://openairdocs.org/aircraft/N333NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1582
- Aircraft time: 46,772 hours, 24,616 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019040702267

## Discrepancy

WHILE WORKING L1 SLIDE CHANGE WITH W/C 2561-4003LF, RECEIVED " EPSU INT LOAD FWD L" FAULT DURING OPERATIONAL CHECK OF THE ESCAPE -FACILITIES, REPLACED EPSU (10WL)

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