Service difficulty report · Actuator · Bolkms BK117C2

Difficulty date
August 25, 2023
Submitted
August 25, 2023
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
14723269697
Aircraft time
3,314 hours
Part
Actuator
Part number
41800876400
Part serial
701510
Condition
Warning Message
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

WHILE AT A HOVER, ACTUATOR CAUTION APPEARED WITH NO OTHER INDICATIONS; WOULD NOT RESET AFTER MULTIPLE ATTEMPTS. T/F EVAL: ACTUATOR CAUTION APPEARED AT A HOVER. AMBER BOX APPEARED ON PFD INDICATING PITCH SERIES. SUSPECT #2 PITCH SEMA FAULTY. AFCS CODES: PFTNOT EXEC PITSEMA 2 INVAL. REMOVED AND REPLACED SEMA ACTUATOR; TEST FLIGHT SUCCESSFULLY COMPLETED.