# SDR WX0A2026071032887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2026
- Submitted: July 11, 2026
- Operation: Air carrier
- Aircraft: [N191NV](https://openairdocs.org/aircraft/N191NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 6704
- Aircraft time: 23,901 hours, 9,416 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Faulted
- Location: Zone 200
- 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/WX0A2026071032887

## Discrepancy

(AIRCRAFT NOT GROUNDED) DURING OPS TEST OF THE EMERGENCY LIGHTS, EPSU 11WL EMER L FAULT APPEARED  / REPLACED BATTERY OF EPSU OPS CHECK GOOD IAW AMM 33-51-38-000-002-A, 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.