# SDR F3LA202601080348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2026
- Submitted: January 8, 2026
- Operation: Air carrier
- Aircraft: [N385FR](https://openairdocs.org/aircraft/N385FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 10622
- Aircraft time: 14,162 hours, 6,653 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 306773
- Condition: Discharged
- 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/F3LA202601080348

## Discrepancy

ACFT WAS NOT GROUNDED BECAUSE OF THIS SDR REPORTABLE EVENT. DEFECT WAS IDENTIFIED DURING RON MAINTENANCE; IT DIDN'T CAUSE A FLIGHT DELAY. REFERENCE LP549403 ITEM #1. DURING HEAVY CHECK EPSU BATTERY 11WL FAILED EPSU TEST, PTT FLAG BATTERY FAULT.    REF AMM 33-51-38-000-002-1A & 33-51-38-100-002-A REPLACED EPSU 11WL. OPS TEST GOOD.

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