# SDR F3LA202604260408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2026
- Submitted: April 26, 2026
- Operation: Air carrier
- Aircraft: [N652FR](https://openairdocs.org/aircraft/N652FR), 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: 11987
- Aircraft time: 5,095 hours, 2,454 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- 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/F3LA202604260408

## Discrepancy

REFERENCE LP682927 #3 DURING SCHEDULED HEAVY CHECK EPSU BATTERY 12WL EXIT R FAILED TEST. AIRCRAFT WAS NOT GROUNDED AS A RESULT OF THE SDR REPORTABLE EVENT.  REMOVED AND REPLACED EPSU BATTERY 12WL IAW AMM 33-51-38-000-002-A/33-51-38-400-002-A OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE.

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