# SDR WX0A2023082531820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2023
- Submitted: August 25, 2023
- 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: 49,062 hours, 32,778 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 858435
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2023082531820

## Discrepancy

EMERGENCY LIGHT OPS TEST FAILED LOCATION 12WL. / REPLACED BATTERY ON ESPU AT 12WL I.A.W MM 33-51-38-000-002-A AND MM 33-51-38-400-002-A. OPS CHECKED GOOD I.A.W MM 33-51-00-710-001-A. OPS CHECKED GOOD."

---
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.