# SDR HYIA20180215001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2018
- Submitted: February 15, 2018
- Operation: Air carrier
- Aircraft: [N524CA](https://openairdocs.org/aircraft/N524CA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0522
- Aircraft time: 34,475 hours
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Switch
- Part number: G719983
- Condition: Failed
- Location: Heater Overheat
- Component: Heater, Meggitt
- Component part number: 8259HL2
- Stage of operation: CR
- 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/HYIA20180215001

## Discrepancy

PILOT REPORTED CABIN HEATER CIRCUIT BREAKER TRIPPED AND A STRONG ODOR IN THE CABIN.  DURING INSPECTION THE HEATER OVERHEAT SWITCH WAS FOUND TO BE DAMAGED AND BURNED.

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