# SDR UALA2009120103711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2009
- Submitted: December 2, 2009
- Operation: Air carrier
- Aircraft: [N823UA](https://openairdocs.org/aircraft/N823UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 952
- Aircraft time: 37,468 hours, 14,581 cycles
- Engine: Iae V2522A5
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Shorted
- Location: Cabin
- 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/UALA2009120103711

## Discrepancy

EMERGENCY LIGHT TEST FAILURE.  FOUND EPSU 13WL AT AFT CENTER GALLEY UNIT FAULT TEST LIGHT ON.  REPLACED EPSU MR33131-317.  REMOVED AND INSTALLED -409.  ALSO REPLACED BATTERY.  DOES NOT HELP.  SWAP EPSU AND NOT HELP.  RE-LOCATED UNITS TO ORIGINAL POSITION.  REPLACED EPSU 13WW AND BATTERY OPS NORMAL.  ALSO REPAIRED SHORTED WIRES UNDER SEAT 23ABC.

---
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.