Service difficulty report · Gearbox · Bolkms BK117C2

Difficulty date
April 18, 2013
Submitted
April 26, 2013
Operation
Air carrier
Aircraft
N484LF
Make and model
Bolkms BK117C2
Aircraft serial
9259
Part
Gearbox
Part number
B632K1001051
Part serial
KA0833
Condition
Broken
Location
Main Rotor
Part time
1,859 hours
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

A/C WAS IN CRUISE FLIGHT WHEN THE XMSN CHIP ILLUMINATED ON THE CAD. PILOT WAS 20 MINUTES INTO A 30 MINUTE FLIGHT. FLEW FOR 1-2 MINUTES UNTIL A SUITABLE LANDING AREA WAS FOUND. LANDED AND SHUT DOWN IMMEDIATELY. NO ABNORMAL SOUND WAS NOTED, TRANSMISSION TEMP AND OIL PRESSURE NORMAL.