# SDR WX0A2022122731684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2022
- Submitted: December 27, 2022
- Operation: Air carrier
- Aircraft: [N239NV](https://openairdocs.org/aircraft/N239NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 2144
- Aircraft time: 64,086 hours, 24,726 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321431
- Part serial: 889830
- 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/WX0A2022122731684

## Discrepancy

EMERGENCY POWER SUPPLY UNIT OPERATIONAL CHECK FAILED / R/R EMERGENCY POWER SUPPLY UNITS (10WL) (11WL) (12WL) (13WL), OPS CHECK GOOD. IAW AMM 33-51-38 PB 401"

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