Service difficulty report · Tube · Bolkms BK117C2

Difficulty date
August 16, 2024
Submitted
August 16, 2024
Operation
General aviation
Aircraft
N945MT
Make and model
Bolkms BK117C2
Aircraft serial
9871
Aircraft time
696 hours, 1,768 cycles
Part
Tube
Part number
4639205028
Part serial
1235
Condition
Unserviceable
Location
Zone 200
Part time
696 hours, 1,768 cycles
Component
Transmission · Bolkms
Component part number
B632K1001051
Stage of operation
NR
How discovered
O
Nature of condition
Z
Precautionary procedure
O

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

What was found

DURING THE FIRST 800 HOUR INSPECTION IT WAS DISCOVERED THAT THE XMSN SPACER TUBE HAD NUMEROUS CRACKS AND IS DEFINITELY UNSERVICEABLE. UNSURE IF IT HAPPENED DURING PRODUCTION OR WAS POOR MANUFACTURING.