# SDR F3LA2022041500032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2022
- Submitted: April 15, 2022
- Operation: Air carrier
- Aircraft: [N318FR](https://openairdocs.org/aircraft/N318FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 07946
- Aircraft time: 14,240 hours, 6,220 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 157037
- Condition: Shorted
- Location: Zone 200
- Part time: 14,240 hours, 6,220 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA2022041500032

## Discrepancy

DISCREPANCY, LP207779 ITEM 3:  EPSU AT (10WL) INDICATES SHORT CIRCUIT/OVERLOAD OF CONNECTED LOADS
 CORRECTIVE ACTION: REMOVED AND REPLACED EPSU AT (10WL), REF AMM 33-51-38-400-001-A. UNIT TEST OKAY AT THIS TIME

---
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.