# SDR F3LA202507020262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2025
- Submitted: July 2, 2025
- Operation: Air carrier
- Aircraft: [N387FR](https://openairdocs.org/aircraft/N387FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 1078
- Aircraft time: 12,577 hours, 15,526 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 154117
- Condition: Inoperative
- 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/F3LA202507020262

## Discrepancy

BAT/EPSU (10WL) FWD L CLASS 1 FAULT.   R & R ESPU AND BATTERY IAW AMM 33-51-38-000-001-A 33-51-38-400-001-A OPS CHECK OF ESPU COMPLETE IAW 22-51-00-710-001-A TEST OK INTERFACE AND PWR UP TEST DONE ON CIDS 1+2 IAW 23-73-00-740-005-B TEST OK FOR SERVICE.

---
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.
