Service difficulty report · Actuator · Bolkms BK117C2

Difficulty date
October 17, 2025
Submitted
October 17, 2025
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
9401
Aircraft time
4,568 hours
Part
Actuator
Part number
41800878002
Part serial
1091
Condition
Failed
Location
Autopilot
Stage of operation
TX
How discovered
O
Nature of condition
F
Precautionary procedure
C

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

What was found

FAILED AUTOPILOT TEST DURING START RUN-UP. REMOVED AND REPLACED PITCH TRIM ACTUATOR IAW AMM 67-14-00, 4-1.