# SDR HYIA2014040400002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2014
- Submitted: April 4, 2014
- Operation: Air carrier
- Aircraft: [N3249M](https://openairdocs.org/aircraft/N3249M), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0296
- Aircraft time: 29,427 hours
- System (JASC): [2212 · Altitude Controller](https://openairdocs.org/jasc/2212)
- Part: Sensor
- Condition: Failed
- Location: Altitude
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA2014040400002

## Discrepancy

AUTOPILOT COMPUTER CIRCUIT BREAKER TRIPPED WITH A HOT ELECTRICAL ODOR IN CABIN.  INSPECTED & FOUND ODOR FROM ALTITUDE SENSOR. DISCONNECTED AUTOPILOT SYS.

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