# SDR UALA2011013100503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2011
- Submitted: January 31, 2011
- Operation: Air carrier
- Aircraft: [N458UA](https://openairdocs.org/aircraft/N458UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1163
- Aircraft time: 36,143 hours, 15,330 cycles
- Engine: Iae V2527A5
- System (JASC): [4997 · APU System Wiring](https://openairdocs.org/jasc/4997)
- Part: Wire
- Condition: Shorted
- Location: Apu C/B
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011013100503

## Discrepancy

APU AUTO SHUTDOWN AT GATE WITH LOW FUEL PRESSURE WARNING ON ECAM.  SHORTED WIRE NEAR APU CIRCUIT BREAKER.  DURING REPLACEMENT OF CB AA8, POWER WAS APPLIED TO ACFT & ARCING OCCURRED.  WIRE HAS INSULATION DAMAGE TO SEVERAL AREAS.  DURING WIRE INSPECTION FOUND WIRES DK24-190 AND DK24-196 TO BE DAMAGED BEYOND REPAIR AND IN NEED OF REPLACEMENT.  NO EVIDENCE OF ANY OTHER WIRE DAMAGE.  C/B REPLACED.

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