# SDR F3LA202512090335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2025
- Submitted: December 9, 2025
- Operation: Air carrier
- Aircraft: [N396FR](https://openairdocs.org/aircraft/N396FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 11155
- Aircraft time: 9,908 hours, 4,386 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 799584
- Condition: Inoperative
- 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/F3LA202512090335

## Discrepancy

ACFT WAS GROUNDED.  WHILE PERFORMING EPSU TEST, BATTERY/EPSU 10WL FWD L FLAGGED. AIRCRAFT REMOVED FROM SERVICE.   R & R EPSU BATTERY 10WL IAW AMM 33-51-38-400-002-A, OPS CHECK GOOD. ACFT OK FOR SERVICE.

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