# SDR YENA2020040730276

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2020
- Submitted: April 7, 2020
- Operation: Air carrier
- Aircraft: [N959JB](https://openairdocs.org/aircraft/N959JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6903
- Aircraft time: 17,500 hours, 5,748 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 835505
- Condition: Failed
- Location: Cabin
- Part time: 7,184 hours, 2,315 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/YENA2020040730276

## Discrepancy

FT # 1802, FLL-JFK. REF T/C A320-33-51-00-710-003 EPSU BATTERY 14WL AND 15WL FAIL BATTERY CAP TEST; R & R EPSU BATTERY 14WL AND 15WL BITE GOOD. NO FAULTS NOTED PER MM 33-51-00

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