# SDR WX0A2021122073902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2021
- Submitted: December 20, 2021
- Operation: Air carrier
- Aircraft: [N271NV](https://openairdocs.org/aircraft/N271NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 2932
- Aircraft time: 31,872 hours, 23,683 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 810352
- Condition: Failed Insp
- Location: 10wl And 11wl
- Stage of operation: UK
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2021122073902

## Discrepancy

FA STATED EXIT LIGHTS STAYED ON AFTER FOUR CHIMES MIDCENTER AFTCENTER. A/C LEFT OVER WING EXIT. / PERFORMED EPSU BITE TEST.TEST FAILED FOR BATTERY 10WL AND 11WL IAW AMM 33-51-00. REMOVED AND REPLACED BOTH 10WL AND 11WL BATTERIES IAW AMM 33-51-38. OPS-CHECK 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.