# SDR F3LA202603220388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2026
- Submitted: March 23, 2026
- Operation: Air carrier
- Aircraft: [N235FR](https://openairdocs.org/aircraft/N235FR), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 07272
- Aircraft time: 31,442 hours, 14,037 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 1061
- Condition: Malfunctioned
- 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/F3LA202603220388

## Discrepancy

REFERENCE LP147381 #2 EMERGENCY POWER SUPPLY UNIT L (11WL) FAULT. AC WAS NOT GROUNDED AS A RESULT OF THIS SDR REPORTABLE EVENT, IT WAS A RON SCHEDULED MAINTENANCE VISIT.   REPLACED EPSU FIN 11WL REF AMM TASK 33-51-38-000-001-A, AMM 33-51-38-400-001-A. BITE TEST OK, AC OK FOR SERVICE. /END/.

---
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.
