Service difficulty report · Control Cable · Bell 412

Difficulty date
September 3, 2010
Submitted
September 9, 2010
Operation
Air carrier
Aircraft
N397AL
Make and model
Bell 412
Aircraft serial
36012
Aircraft time
13,129 hours
Engine
Pwa PT6*
Engine time
2,713 hours
Part
Control Cable
Part number
412062708105
Condition
Binding
Location
Collective Stick
Part time
2,000 hours
Stage of operation
DE
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

ON APPROCH, THE COLLECTIVE STUCK AT APPROX 50 PERCENT TORQUE. PILOT WAS ABLE TO FORCE COLLECTIVE TO BREAK IT FREE. PROBLEM WAS CAUSED BT A N2 CONTROL CABLE SEIZEING UP CAUSING THE SHEAR RIVET TO SHEAR.

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