# SDR YENA2023012300062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2023
- Submitted: January 23, 2023
- Operation: Air carrier
- Aircraft: [N945JT](https://openairdocs.org/aircraft/N945JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06390
- Aircraft time: 33,777 hours, 6,561 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 873214
- Condition: Failed
- Location: 13wl-Batt
- Part time: 8,400 hours, 2,288 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/YENA2023012300062

## Discrepancy

FLT#616, SFO-JFK. REF AML # 3577097, ITEM 1 (L4 DOOR SLIDE ELEC HARNESS NOT PROPERLY STOWED AND EPSU TEST FAILED) EPSU TEST FAILED; REMOVED AND REPLACED EPSU 13WL BATTERY IAW AMM 33-51-38. PERFORMED OPS CHECK.'

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