What was found
NOSE STRUT ASSY FAILED TO EXTEND. STUCK WITH APPROXIMATELY 6 INCHES OF PISTON AREA SHOWING. STRUT ASSY WAS DISASSEMBLED AND INSPECTED FOR DAMAGE. SHIM WAS FOUND DEFORMED. IT IS BELIEVED THE SHIM BECAME WEDGED BETWEEN THE CHROME AREA OF THE PISTON AND BEARING ASSY, PN 084121101, STRUT ASSY WAS REPACKED, SHIM REPLACED, AND SERVICED IAW CESSNA SM.