# SDR YENA2020012730049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2020
- Submitted: January 27, 2020
- Operation: Air carrier
- Aircraft: [N994JL](https://openairdocs.org/aircraft/N994JL), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8185
- Aircraft time: 7,290 hours, 2,375 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 158527
- Condition: Failed
- Location: Emergency Lights
- Part time: 7,292 hours, 2,376 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/YENA2020012730049

## Discrepancy

FLT 384, FIN 13WL EPSU FAULTED DURING BATTERY CAPACITY TEST.   R & R BOTH THE 13WL EPSU AND BATTERY IAW AMM 33-51-00.SYSTEM OPS CHECKED OK.

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