# SDR GTIA2025072139004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2025
- Submitted: July 21, 2025
- Operation: Air carrier
- Aircraft: [N985NK](https://openairdocs.org/aircraft/N985NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 11606
- Aircraft time: 6,653 hours, 2,916 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 920023
- Condition: Faulted
- Location: Zone 200
- Part time: 5,324 hours, 2,344 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/GTIA2025072139004

## Discrepancy

DURING SERVICE CHECK AFS GROUND SCAN FOUND EPSU BATTERY FAULT-R/R 11WL EPSU BATTERY IAW AMM 33-51-38. OPS CHECK GOOD.

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