# SDR HYIA401TJA

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2009
- Submitted: May 14, 2009
- Operation: Air carrier
- Aircraft: [N401TJ](https://openairdocs.org/aircraft/N401TJ), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0109
- Aircraft time: 17,941 hours
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro
- Part number: KG102060001500
- Part serial: 10477
- Condition: Unreliable
- Location: Fwd Avionics Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA401TJA

## Discrepancy

IFR CONDITIONS, CREW REPORTED HORIZONTAL SITUATION INDICATOR UNRELABLE IN SLAVE AND UN-SLAVE MODE.  CREW ELECTED TO RETURN, DECLARED EMERGENCY, LANDED WITHOUT INCIDENT.

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