What was found
DURING INSPECTION OF THE VIBE ABSORBER BALL BEARING, MAINTENANCE FOUND THE BALL BEARING WAS CRACKED ALONG THE CENTER RADIUS. REMOVED AND REPLACED BALL BEARING.
- Difficulty date
- February 9, 2023
- Submitted
- February 9, 2023
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 10721319356
- Aircraft time
- 3,542 hours
- System (JASC)
- 6210 · Main Rotor Blades
- Part
- Bearing
- Part number
- 601741
- Part serial
- NA
- Condition
- Cracked
- Part time
- 822 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.