# SDR YENA2020072400397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2020
- Submitted: July 24, 2020
- Operation: Air carrier
- Aircraft: [N903JB](https://openairdocs.org/aircraft/N903JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5783
- Aircraft time: 24,614 hours, 7,820 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 796217
- Condition: Failed
- Location: 10wl
- Part time: 13,242 hours, 4,312 cycles
- 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/YENA2020072400397

## Discrepancy

FLT 6210,  10WL EPSU BATTERY FAILED BATTERY CAPACITY CHECK; R/R 10WL EPSU BATTERY IAW AMM 33-51-11. BITE TEST OKAY.

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