# SDR DALA2019052403186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2019
- Submitted: May 27, 2019
- Operation: Air carrier
- Aircraft: [N508DN](https://openairdocs.org/aircraft/N508DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0190
- Aircraft time: 6,214 hours, 535 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- 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/DALA2019052403186

## Discrepancy

DURING EPSU TEST, POWER SUPPLY 102WL2 FAULTED. REPLACED EPSU 102WL2. LP 5427697

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