# SDR YENA2008093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2008
- Submitted: October 9, 2008
- Operation: Air carrier
- Aircraft: [N598JB](https://openairdocs.org/aircraft/N598JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2314
- Aircraft time: 16,476 hours, 5,707 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 7093
- Condition: Discharged
- Location: Cabin
- Part time: 16,476 hours, 16,476 cycles
- 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/YENA2008093

## Discrepancy

LT EPSU FAILED DURING EMERGENCY LIGHT SYSTEM TEST (13WL).  REMOVED AND REPLACED LT EPSU AS PER AMM 33-51-38-04.  SYSTEM OPS CHECK NORMAL.

---
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.
