# SDR 2007UALA05207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2007
- Submitted: December 28, 2007
- Operation: Air carrier
- Aircraft: [N827UA](https://openairdocs.org/aircraft/N827UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1022
- Aircraft time: 30,512 hours, 11,624 cycles
- Engine: Iae V2522A5
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Chafed
- Location: Cabin
- 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/2007UALA05207

## Discrepancy

AFT PAX CABIN EMERGENCY LIGHTS ILLUMINATE AFTER ENGINE START.  NUMEROUS WIRES FOR EPSU SYSTEM FOUND CHAFED AND OPEN.  NO STRANDS BROKEN - INSULATION WORN TO BARE WIRE.  UNKNOWN ROOT CAUSE.  REPAIRED ALL WIRES FOUND DAMAGED, SYSTEM FUNCTIONS NORMALLY DURING TEST AND ENGINE STARTS.

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