Service difficulty report · Vartoms · Bolkms BK117C2

Difficulty date
September 12, 2025
Submitted
September 16, 2025
Operation
General aviation
Aircraft
N240SF
Make and model
Bolkms BK117C2
Aircraft serial
9403
Aircraft time
9,144 hours, 25,211 cycles
Part
Vartoms
Condition
Faulted
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

VARTOMS SYSTEM KICKED INTO MANUAL MODE AS ENGINES COULDN'T HOLD TORQUE MATCHING AT THE SPECIFIC POWER SETTING. SYSTEM WAS TROUBLESHOT AND FOUND TO BE WITHIN ALL PARAMETERS. NO DEFECTS NOTED DURING TEST FLIGHTS.