# SDR WX0A2020091873576

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2020
- Submitted: September 18, 2020
- Operation: Air carrier
- Aircraft: [N248NV](https://openairdocs.org/aircraft/N248NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 7781
- Aircraft time: 8,867 hours, 4,595 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 834711
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2020091873576

## Discrepancy

WHILE ACCOMPLISHING OPERATIONAL CHECK OF EPSU BATTERY CAPACITY FOUND ALL FOUR BATTERIES TO HAVE FAILED: 10WL,11WL,12WL,13WL.  REMOVED AND REPLACED ALL FOUR EPSU BATTERIES, IAW A320 AMM 33-51-38.  OPS CHECK GOOD.

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