Service difficulty report · Pin · Pilats PC1245

Difficulty date
October 29, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Pilats PC1245
Aircraft time
8,109 hours
Engine
Pwa PT6A67B
Propeller
Hartzl HCE4A3D
Part
Pin
Part number
5321012123
Condition
Sheared
Location
Lt Mlg
Stage of operation
LD
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) PINS ON SPECIAL WASHER SHEARED ALLOWING BODY OF HYDRAULIC SWIVEL FITTING TO ROTATE ON GEAR RETRACTION/EXTENSION BREAKING HYDRAULIC LINE TO THE BRAKES P/N 5324412053. THIS APPEARS TO BE CAUSED BY TO THICK OF A SPACER WASHER P/N 532.10.12.136 WHICH CAUSES THE ASSEMBLY TO APPLY TO MUCH FORCE TO THE SPECIAL WASHER AND ITS PINS. FOUR THICKNESS'S OF WASHERS ARE AVAILABLE IN THE IPC BUT NO PROCEDURE I S SPELLED OUT IN THE MM FOR THE TECHNICIAN TO HELP HIM/HER DETERMINE IF THE PROPER GAP IS THERE ON ASSEMBLY.