What was found
REMOVED NR 4 CYLINDER FOR MAINTENANCE. FOUND PISTON PIN INTERNAL PIN BROKEN. INSTALLED NEW P/N 630046 PIN ASSY WITH EXCHANGE CYLINDER ASSY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
REMOVED NR 4 CYLINDER FOR MAINTENANCE. FOUND PISTON PIN INTERNAL PIN BROKEN. INSTALLED NEW P/N 630046 PIN ASSY WITH EXCHANGE CYLINDER ASSY.