Service difficulty report · Cam · Cessna 680CE

Difficulty date
April 28, 2016
Submitted
April 28, 2016
Operation
General aviation
Aircraft
N59TF
Make and model
Cessna 680CE
Aircraft serial
0311
Aircraft time
1,102 hours, 767 cycles
Part
Cam
Part number
67420292
Condition
Worn
Location
Nlg
Stage of operation
IN
How discovered
V
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

AIRCRAFT REPORTED THE LANDING GEAR WOULD NOT RETRACTED WHEN COMMANDED. UPON INVESTIGATION, THE CAM THAT ACTUATES THE SQUAT SWITCH HAD A MINOR AMOUNT OF FREE PLAY, BUT IT WAS ENOUGH THAT THE SQUAT SWITCH WAS NOT ACTUATING 100 PERCENT OF THE TIME. WHEN REVIEWING THE AIRFRAME MM AND COMPONENT MM, THERE IS NO MENTIONED OF ANY ALLOWABLE FREE PLAY IN THIS CAM. THE INSTRUCTIONS FOR RIGGING THE SQUAT SWITCH DOES SPECIFY TO RIG THE SWITCH BEYOND THE ACTUATION POINT, WHICH MAY BE TO ALLOW FOR THE PLAY IN THE CAM.