# SDR UALA2010040201099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2010
- Submitted: April 7, 2010
- Operation: Air carrier
- Aircraft: [N804UA](https://openairdocs.org/aircraft/N804UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 759
- Aircraft time: 42,723 hours, 16,484 cycles
- Engine: Iae V2522A5
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Rectifier
- Part number: Y0052
- Condition: Arced
- Location: Position 1
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010040201099

## Discrepancy

TR1 CONNECTOR 1PU1 HAS ELECTRICAL ARCING DAMAGE.  ON TAXI IN LOUD NOISE HEARD BEHIND F/O AND CAPTAIN SAW SMOKE BY JUMPSEAT. HAPPENED WHEN APU STARTED. AREA ABOVE TR1 SHOWS EVIDENCE OF SOOT & SMOKE CONTAMINATION. CLEANED CONTAMINATION OF WIRING COMPONENTS REF AIRBUS ESPM. ACP'D VISUAL INSPECTION OF WIRING FOR DAMAGE. NO OBVIOUS DAMAGE NOTED. TR1CB HAD POPPED. REPLACED CONNECTOR 1PU1.

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