# SDR 2002UALA01207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2002
- Submitted: July 30, 2002
- Operation: Air carrier
- Aircraft: [N447UA](https://openairdocs.org/aircraft/N447UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 836
- Aircraft time: 14,923 hours, 5,017 cycles
- Engine: Iae V2527A5
- System (JASC): [3110 · Instrument Panel](https://openairdocs.org/jasc/3110)
- Part: Controller
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002UALA01207

## Discrepancy

RETURNED TO FIELD.  SMOKE ELECTRICAL SMELL IN CONTROL CABIN.  CIRCUIT BREAKERS PHC2, AOA2, PITOT2, TAT2, AND PHC3 ALL POPPED.  REPLACED NR 2 PHC AND TESTED ALL PROBE HEATERS FOR PROPER OPERATION.  SYSTEM OPERATED NORMAL WITH NO ADDITIONAL FAILURES NOTED ON SUBSEQUENT FLIGHTS.

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