What was found
(CAN) UPON SELECTING GEAR UP ON TAKE-OFF, PILOTS NOTICED A LOUD BANG. ONCE OVER THE FIRE, A BIRDDOG AIRCRAFT CONFIRMED THEIR RT GEAR DOOR FOR THE NOSE GEAR WAS OPEN. AIRCRAFT LANDED AND RH DOOR ACTUATING ROD UPPER ROD END, WAS FOUND BROKEN. A NEW ROD END WAS INSTALLED WITHOUT CHANGE TO THE RIGGING. THE CRACKED ROD END HAS COLORING/SHADING TO INDICATE THE PART MAY HAVE BEEN PARTIALLY CRACKED FOR SOMETIME. MODEL/PART #240-3150412-335.