Service difficulty report · Actuator · Bolkms BK117C2

Difficulty date
March 11, 2022
Submitted
March 11, 2022
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
07720319165
Aircraft time
1,956 hours
Part
Actuator
Part number
B673M40A1001
Part serial
00192
Condition
Failed
Stage of operation
HO
How discovered
V
Nature of condition
G
Precautionary procedure
C

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

What was found

AIRCRAFT FAILED AP TEST. TF MOC FOUND AP TEST FAILED WITH "Y" CAUT ON PFD AND AP1 / AP2 TRIM CAUTIONS ON CAD. HYD TEST PERFORMED DURING RUNUP FOUND PEDALS TO BE TIGHT WHEN TESTING SYSTEM #2. TAIL ROTOR ACTUATOR FAILED CONTROL FORCES TEST WITH A MEAN MEASUREMENT OF 3.8 LBF (LIMIT 2.7LBF). REPLACED T/R ACTUATOR IAW AMM 67-34-00, 4-1.