# SDR HYIA20240830001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2024
- Submitted: August 30, 2024
- Operation: Air carrier
- Aircraft: [N2611X](https://openairdocs.org/aircraft/N2611X), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0072
- Aircraft time: 37,227 hours, 43,092 cycles
- System (JASC): [3060 · Propeller/Rotor Anti-Ice/De-Ice System](https://openairdocs.org/jasc/3060)
- Part: Switch
- Part number: W31X2M1G20
- Condition: Failed
- Location: De-Ice System
- 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/HYIA20240830001

## Discrepancy

PILOT REPORTED STRONG BURNING SMELL IN COCKPIT. NOTICED PROP DE-ICE GAUGE WAS ON BUT THE SWITCH WAS OFF. CYCLED SWITCH BREAKER. DE-ICE GAUGE TURNED OFF, BUT SWITCH REMAINED LOOSE. THEY PULLED C/B'S AS PRECAUTION. MAINTENANCE TROUBLESHOT TO BAD SWITCH. BYPASSED SWITCH AND PROP DEICE SYSTEM OPS CHECKS GOOD WITH NO SHORTS. THE SWITCH WAS REPLACED WITH NO FURTHER DEFECTS NOTED.

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