What was found
FLIGHT RETURNED TO BASE, PILOT REPORTED HAVING SIGNIFICANT ROTOR VIBRATIONS DURING FLIGHT. POST FLIGHT MAINTENANCE INSPECTION FOUND THAT THE SHEAR BEARING HAD FAILED WITH ONLY 473 HOURS SINCE NEW.
- Difficulty date
- September 10, 2016
- Submitted
- September 11, 2016
- Operation
- General aviation
- Aircraft
- N521CZ
- Make and model
- Bell 429
- Aircraft serial
- 57231
- Aircraft time
- 473 hours
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Bearing
- Part number
- 429310002101
- Part serial
- CB1295
- Condition
- Failed
- Location
- Rotor Head
- Part time
- 473 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.