Service difficulty report · Bearing · Bolkms BK117C2

Difficulty date
March 20, 2025
Submitted
March 20, 2025
Operation
General aviation
Make and model
Bolkms BK117C2
Aircraft serial
9710
Aircraft time
4,740 hours
Part
Bearing
Part number
F32827
Part serial
1711171
Condition
Worn
Location
M/R Head
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING INSPECTION OF NEEDLE BEARING, MAINTENANCE FOUND THE PROTECTIVE COATING WORN OFF OF BEARING (ROTOR STAR CONTACT POINT) CAUSING DAMAGE TO ROTOR STAR.