What was found
POST FLIGHT CREW REPORTED, FIRST OFFICER'S #2 WINDOW IS BINDING WHEN CLOSING. THE WINDOW OPENS APPROPRIATELY WITH NO BINDING EFFECT. OPENED AND CLOSED FIRST OFFICER'S #2 WINDOW, BINDING ON BULB SEAL NOTED. CLEANED AND LUBRICATED R2 WINDOW SEAL AND SEAT, PERFORMED OPERATIONAL TEST IAW BOEING 767-300 AIRCRAFT MAINTENANCE MANUAL 56-11-02. NO FURTHER DEFECTS NOTED AT THIS TIME. OPERATIONAL CHECK GOOD.