Service difficulty report · Actuator · Bolkms BK117C2

Difficulty date
January 24, 2024
Submitted
January 24, 2024
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
13722809536
Aircraft time
4,249 hours
Part
Actuator
Part number
41800876400
Part serial
704598
Condition
Malfunctioned
Location
Sema
Stage of operation
CR
How discovered
V
Nature of condition
F
Precautionary procedure
A

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

What was found

IN FLIGHT, ACTUATOR CAUTION ILLUMINATED WITHOUT ANY ASSOCIATED AXIS DISPLAYED. AVIONICS RESET C/B BUT LIGHT CAME ON AGAIN IN FLIGHT. A TEST FLIGHT EVAL REVEALED DURING HOVER FLIGHT ACTUATOR CAUTION LIGHT CAME ON CAD WITH YELLOW BOX IN BOTH PFD'S WITH NO CORRESPONDING AXIS FAILURE. VEMD LANE 2 LISTS DFACTO CODES 8XXXX8 AND XXXXX8 BOTH INDICATING SECOND PITCH SEMA INVALID. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-10-00, 4-8.