Service difficulty report · Transmission · Bolkms BK117C2

Difficulty date
August 26, 2021
Submitted
August 26, 2021
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
10721299352
Aircraft time
2,605 hours
Part
Transmission
Part number
B632K1001051
Part serial
KA0945
Condition
Corroded
Location
Main Rotor
Part time
2,605 hours
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

A MAINTENANCE INSPECTION OF THE M/R TRANSMISSION ASSY REVEALED INTERNAL CORROSION FROM WATER INTRUSION.