# SDR WX0A2022101774281

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2022
- Submitted: October 17, 2022
- Operation: Air carrier
- Aircraft: [N320NV](https://openairdocs.org/aircraft/N320NV), registered now
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2514
- Aircraft time: 46,833 hours, 32,115 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Epsu
- Part number: 321431
- Part serial: 789141
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2022101774281

## Discrepancy

NRC: 7000-0019 ALL EMERGENCY LIGHT RELATED TO EPSU 12WL FOUND FLASHING WHEN USING EPSU BATTERY POWER. / AT EPSU 12WL, BATTERY REPLACED AND TESTED SERVICEABLE IAW AMM 33-51-38-400-002-A."

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.