# SDR HALA2018090805536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2018
- Submitted: September 11, 2018
- Operation: Air carrier
- Aircraft: [N392HA](https://openairdocs.org/aircraft/N392HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1404
- Aircraft time: 23,936 hours, 3,847 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Emergency Lights
- 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/HALA2018090805536

## Discrepancy

WHILE PERFORMING SLIDE CHANGE ON THE L4 DOOR, THE EPSU 17WL SYSTEM TEST FAILED. REPLACED THE EPSU.

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