# SDR 3SVA2017082200001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2017
- Submitted: August 22, 2017
- Operation: Air carrier
- Aircraft: N441DK
- Make and model: Cessna 441
- Registry model: [Cessna 441](https://openairdocs.org/model/cessna-441) (OpenAirDocs)
- Aircraft serial: 4410176
- System (JASC): [3120 · Independent Instruments](https://openairdocs.org/jasc/3120)
- Part: Hsi
- Condition: Spinning
- Location: Co Pilot'S
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3SVA2017082200001

## Discrepancy

DURING CLIMB OUT, COPILOTS HSI STARTED SPINNING RAPIDLY.  RETURNED TO BASE.

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