What was found
AFTER TAKEOFF, GEAR WAS RETRACTED AND NOSE GEAR DOOR INDICATED PARTIALLY OPEN. CYCLED THE LANDING GEAR HANDLE IAW ECAM PROCEDURES TO VNO REMEDY. DURING CRUISE, INDICATION CHANGED TO CLOSED. FOUND NOSE LANDING GEAR DOOR, GROUND OPENING HANDLE LOCKING MECHANISM BINDING AND MISSING A PIN. THE LANYARD WAS CLEANED AND LUBRICATED THE HANDLE. INSTALLED A NEW PIN AND LANYARD, OPS CHECKED GOOD, MOVES FREELY IAW AMM 32-22-17.