# SDR YENA2021052800343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2021
- Submitted: May 28, 2021
- Operation: Air carrier
- Aircraft: [N566JB](https://openairdocs.org/aircraft/N566JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02042
- Aircraft time: 66,734 hours, 23,998 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021052800343

## Discrepancy

DURING HMV, EPSU 12WL FAULT ; REF AEM NR 2021-137/1-2021-188774 - REPLACED EPSU 12WL IAW A320 AMM 33-51-38-400-001-A, 33-51-00-710-001. OPS CHECK GOOD.

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