# SDR YENA2022020100041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2022
- Submitted: February 1, 2022
- Operation: Air carrier
- Aircraft: [N982JB](https://openairdocs.org/aircraft/N982JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7815
- Aircraft time: 18,002 hours, 3,524 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Part number: 321431
- Part serial: 849024
- Condition: Failed Insp
- Location: 14wl-Batt
- Part time: 8,250 hours, 2,314 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022020100041

## Discrepancy

FLT #524, LAX-JFK. EPSU BAT FAULT (14WL) DURING BITE TEST ; R+R EPSU BATERY (14WL) PER AMM 33-51-38 BITE TEST OK

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