# SDR F3LA202601230252

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: January 23, 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: 8,931 hours, 3,893 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 936047
- Condition: No Test
- 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/F3LA202601230252

## Discrepancy

ACFT WAS NOT OUT OF SERVICE DUE TO THIS EVENT REFERENCE LP275822 ITEM NR 3.   DURING HEAVY CHECK EPSU BATTERY 10WL FWD L, FAILED TEST. AIRCRAFT REMOVED FROM SERVICE.   REMOVED AND REPLACED THE EPSU BATTERY 10WL, FWD LT IAW AMM 33-51-38-000-002-A/400-002-A OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.