# SDR WX0A2021121773896

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2021
- Submitted: December 17, 2021
- Operation: Air carrier
- Aircraft: [N294NV](https://openairdocs.org/aircraft/N294NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 4941
- Aircraft time: 27,975 hours, 17,239 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Condition: Dirty
- Location: 10wl
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2021121773896

## Discrepancy

EMERGENCY LIGHT SYSTEM TASK FAULTED BAT/EPSU (10WL) FWD L / GAINED ACCESS TO EMERGENCY POWER SUPPLY UNIT 10WL. DISCONNECTED CANNON PLUG, CLEANED, AND RECONNECTED. BITE TESTED OK. I/A/W AMM 33-51-38 PB 401, AND ESPM 20-55-50."

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