# SDR YENA20190907518

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2019
- Submitted: September 10, 2019
- Operation: Air carrier
- Aircraft: [N949JT](https://openairdocs.org/aircraft/N949JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6575
- Aircraft time: 18,078 hours, 5,932 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 803283
- Condition: Failed
- Location: Cabin
- Part time: 9,255 hours, 3,030 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/YENA20190907518

## Discrepancy

FLT 410, SDQ-JFK. DURING THE ESPU SYSTEM TEST FOUND 10WL, 11WL AND 14WL BATTERIES INOP. R & R 10WWL,11WL AND 14WL BATTERIES IAW AMM 33-51-38. OPS CHECK OK. ESPU TEST PASSED.

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