# SDR CA190319022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bell 429
- Registry model: [Bell 429](https://openairdocs.org/model/bell-helicopter-textron-canada-429) (OpenAirDocs)
- System (JASC): [6420 · Tail Rotor Head](https://openairdocs.org/jasc/6420)
- Part: Hub
- Part number: 429012120101
- Condition: Malfunctioned
- Location: Tail Rotor
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190319022

## Discrepancy

(CAN) PRIOR TO DELIVERY TO CUSTOMER, THE PILOT NOTICED THE COUPLING TEETH WERE NOT ENGAGED WITH THE YOKE. SHIP HAD FLEW FOR FERRY , TT 11HRS. TRANSMISSION OF POWER MAINTAINED BY FRICTION DUE TO HIGH TORQUE VALUE.

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