# SDR WX0A2022071174149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2022
- Submitted: July 11, 2022
- Operation: Air carrier
- Aircraft: [N302NV](https://openairdocs.org/aircraft/N302NV), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 2387
- Aircraft time: 45,290 hours, 28,268 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Epsu
- Part number: 321431
- Part serial: 844281
- 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/WX0A2022071174149

## Discrepancy

10WL, 11WL AND 12WL FAILED ESPU CHECK . / REMOVED AND REPLACED BATTERIES ON ESPU'S I.A.W MM 33-51-38-000-002-A AND MM 33-51-38-400-002-A. BITE CHECKED GOOD I.A.W MM 33-51-00-710-001-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.