# SDR HEEA078521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2002
- Submitted: April 29, 2002
- Operation: General aviation
- Aircraft: [N406PH](https://openairdocs.org/aircraft/N406PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53198
- Aircraft time: 4,286 hours
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro
- Part number: 5050010902
- Part serial: 22919
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA078521

## Discrepancy

PRECESSES 50 DEGREES IN 6 MINUTES. REPLACED WITH SERVICEABLE PART.

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