# SDR GTIA2023040337086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2023
- Submitted: April 4, 2023
- Operation: Air carrier
- Aircraft: N657NK
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6672
- Aircraft time: 25,272 hours, 11,120 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery
- Part number: 321431
- Part serial: 813354
- Condition: Faulted
- Location: Epsu 13wl
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2023040337086

## Discrepancy

DURING EPSU BITE CHECK EPSU BATTEY 13WL 1 FAULT-R&R EPSU BATTERY 13WL IAW AMM 33-51-38

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