# SDR F3LA202512240339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2025
- Submitted: December 24, 2025
- Operation: Air carrier
- Aircraft: [N704FR](https://openairdocs.org/aircraft/N704FR), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 06845
- Aircraft time: 32,409 hours, 14,067 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Faulted
- Location: Zone 200
- 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/F3LA202512240339

## Discrepancy

THIS AC WAS NOT OOS DUE TO THIS EVENT, REFERENCE LP560267 ITEM 3, DURING HEAVY CHECK EPSU BATTERY 10WL FAILED EPSU TEST PTT FLAG BATT FAULT.   REF AMM 33-51-38-000-002-A/33-51-38-400-002-A, REMOVED AND REPLACED EPSU BATTERY 10WL OPS TEST OK, NO OTHER DEFECTS NOTED.

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