Service difficulty report · Actuator · Bolkms BK117C2

Difficulty date
March 10, 2022
Submitted
March 10, 2022
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
14723209690
Aircraft time
2,879 hours
Part
Actuator
Part number
41800879001
Part serial
2072
Condition
Failed
Stage of operation
HO
How discovered
V
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

AP TEST FAILURE ON YAW. TROUBLESHOOTING BY MAINTENANCE RESULTED IN 5 ADDITIONAL FAILURES. REMOVED AND REPLACED YAW TRIM ACTUATOR; MOC SUCCESSFULLY COMPLETED IAW AMM 67-14-00, 4-1.