Service difficulty report · Bolt · Snias AS350B2

Difficulty date
August 3, 2018
Submitted
August 3, 2018
Operation
Air carrier
Aircraft
N125LN
Make and model
Snias AS350B2
Aircraft serial
4145
Aircraft time
44,646 hours, 15,133 cycles
Engine
Tmeca ARRIEL1D1
Engine time
4,304 hours, 11,846 cycles
Part
Bolt
Part number
22201TK080015X
Condition
Sheared
Location
Mlg Damper
Stage of operation
IN
How discovered
9
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

DURING ROUTINE MAINTENANCE, FOUND THE LANDING GEAR DAMPER LOWER ATTACH BOLT, AN 8 MM SHANK TITANIUM BOLT. INSTALLED A NEW BOLT SHEARED DURING THE TORQUE PROCEEDURE. THE SECOND NEW BOLT SHEARED IN THE SAME FASHION AS THE FIRST PRIOR TO REACHING THE TORQUE REQUIREMENTS.