Service difficulty report · Actuator · Robsin R44

Difficulty date
September 27, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Robsin R44
Engine
Lyc O540F1B5
Part
Actuator
Part number
C0511
Condition
Failed
Location
Cluch
Stage of operation
LD
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

(CAN) ON SHUTDOWN ELECTRIC CLUTCH ACTUATOR SWITCHED TO THE DISENGAGED POSITION BUT DID NOT RESPOND. DOWN LIMIT SWITCH TERMINAL WIRE FOUND BROKEN, BUT STILL COVERED WITH HEAT SHRINK. CLUTCH ACTUATOR REMOVED AND ALL 4 SWITCHES REPLACED NEW.