Service difficulty report · Fairlead · Cessna 172S

Difficulty date
September 1, 2009
Submitted
October 23, 2009
Operation
General aviation
Make and model
Cessna 172S
Aircraft time
305 hours
Engine
Lyc IO360L2A
Propeller
Mcauly 1A170E
Part
Fairlead
Part number
052264712
Condition
Worn
Location
Aileron Cables
Part time
690 hours
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

AILERON CABLES IN THE RT WING ARE DEFLECTED OVER A FAIRLEAD STRIP TO CLEAR AUTOPILOT ROLL SERVO CAPSTAN. SYNTHETIC MATERIAL USED FOR THE RUB STRIP IS VERY HARD AND HAD WORN THE STAINLESS STEEL AILERON CABLES IN AN UNUSUALLY SHORT PERIOD OF TIME. SUGGEST THAT A SOFTER MATERIAL BE EMPLOYED AT THIS LOCATION. EXISTING MATERIAL WILL WEAR THE CABLES AGAIN WITHIN 600 HOURS.

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