# SDR F3LA202602050355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2026
- Submitted: February 5, 2026
- Operation: Air carrier
- Aircraft: [N380FR](https://openairdocs.org/aircraft/N380FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 10512
- Aircraft time: 15,316 hours, 7,356 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 938662
- 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/F3LA202602050355

## Discrepancy

NR 3 EPSU BATTERY 13WL FAILED TEST.   INSTALLED NEW EPSU BATTERY IAW AMM 33-51-38-400-001-A. EPSU BITE CHECK GOOD IAW AMM 33-51-00-710-001. CIDS POWER UP TEST GOOD IAW AMM 23-73-00-740-005. EPSU TEACH IN PROCEDURES GOOD IAW AMM 33-51-00-820-801. EPSU FIN  CHANGED WAS 13WL. AC OK FOR SERVICE.

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