# SDR WX0A2020081973556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2020
- Submitted: August 19, 2020
- Operation: Air carrier
- Aircraft: [N321NV](https://openairdocs.org/aircraft/N321NV), registered now
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2527
- Aircraft time: 43,471 hours, 29,787 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 104663
- 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/WX0A2020081973556

## Discrepancy

EPSU BATTERIES FAILED EPSU CAPACITANCE CHECK. / REMOVED AND REPLACED EPSU BATTERIES (10WL) (11WL) (12WL) (13WL) IAW AMM 33-51-38 PB 401. OPS CHECK GOOD. OK FOR SERVICE."

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