# SDR HYIA20140712001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2014
- Submitted: July 12, 2014
- Operation: Air carrier
- Aircraft: [N466CA](https://openairdocs.org/aircraft/N466CA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0428
- Aircraft time: 8,768 hours
- Engine: Cont TSIO520VB
- Engine time: 567 hours
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Hsi
- Part number: KI525A
- Part serial: 14727
- Condition: Failed
- Location: Cockpit
- Part time: 14,862 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20140712001

## Discrepancy

HSI HAD FAILED DURING CRUISE FLIGHT ON AN IFR FLIGHT PLAN.  SMOKE EMITTED FROM THE INSTRUMENT WITH THE BREAKER TRIPPING.  SMOKE WAS BOTH VISIBLE & WAS ABLE TO BE SMELLED.  QRH WAS IN HAND IN CASE SMOKE WAS NOT SUBSIDING & AN EMER LANDING AIRPORT WAS FOUND BUT NOT NEEDED. ATC WAS INFORMED OF SITUATION NO EMER WAS DECLARED DUE TO SMOKE SUBSIDING.  R & R HSI.

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