Service difficulty report · Motor · Bolkms BK117C2

Difficulty date
October 16, 2024
Submitted
October 16, 2024
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
09721119328
Aircraft time
4,377 hours
Part
Motor
Part number
41800879001
Part serial
3012
Condition
Failed
Location
Yaw Trim
Stage of operation
HO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

YAW ACTUATOR CA ILLUMINATED DURING HOVER FLIGHT. DURING FUNCTIONAL TEST (22-10-00, 5-1) OF THE AUTOMATIC FLIGHT CONTROL SYSTEM THE YAW TRIM MOTOR FAILED. REMOVED AND REPLACED THE YAW TRIM MOTOR IAW AMM 67-14-00, 4-1. MOC SUCCESSFULLY COMPLETED.