Service difficulty report · Pitch Control · Casa C212CC

Difficulty date
July 14, 2008
Submitted
July 18, 2008
Operation
Air carrier
Aircraft
N107BH
Make and model
Casa C212CC
Aircraft serial
165
Engine
Garrtt TPE33110R
Part
Pitch Control
Part number
8954817
Condition
Malfunctioned
Location
Lt Engine
Part time
4,497 hours
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ON THE LT ENG WITH THE SPEED LEVERS EET AT 100 PERCENT AND YOU TRY TO BRING THE POWER LEVER BACK TO CRUISE, AT ABOUT 70 PERCENT TO 80 PERCENT TORQUE THE RPM DROPS TO 93 PERCENT. TORQUE TEMP AND FUEL FLOW WILL INCREASE TO A HIGHER SETTING ON ITS OWN MAKING CONTROL OF THE PROP DIFFICULT. PILOT PERFORMED OF A COMMANDED ENG SHUTDOWN ON THE LT ENG AND LANDED NORMALLY. (K)