# SDR F3LA202605100411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2026
- Submitted: May 10, 2026
- Operation: Air carrier
- Aircraft: [N606FR](https://openairdocs.org/aircraft/N606FR), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11203
- Aircraft time: 9,727 hours, 4,272 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Failed
- 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/F3LA202605100411

## Discrepancy

ACFT WAS ON SCHEDULED MAINTENANCE REFERENCE LP477859 #1 EPSU 13WL TEST FAIL BATTERY FAULT.   REMOVED AND REPLACED EPSU BATTERY AT 13WL REF AMM 33-51-38-400-002-A. A/C OK FOR SERVICE.

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