# SDR WX0A2022071174150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2022
- Submitted: July 11, 2022
- Operation: Air carrier
- Aircraft: [N316NV](https://openairdocs.org/aircraft/N316NV), registered now
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2481
- Aircraft time: 47,517 hours, 31,785 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Epsu
- Part number: 32146210
- Part serial: 005463
- Condition: None
- Stage of operation: IN
- How discovered: C
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2022071174150

## Discrepancy

EPSU BATTERY CAP TEST FAILED. / R&R EMERGENCY POWER SUPPLY UNITS (10WL) AND (13WL) IAW AMM 33-51-38 PB401. BITE CHECK GOOD EPSU BATTERY CAP TEST IN PROGRESS."

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