What was found
PIT/YYZ - FLT 1659 - AFTER TAKEOFF ON GEAR RETRACTION, A LOUD POP WAS HEARD IN THE NOSE GEAR. NOISE AND BUFFETING INCREASED AS SPEED INCREASED. RETURNED TO PIT. FOUND RIGHT FORWARD NOSE GEAR DOOR SAFETY CABLE BROKEN, AND DAMAGE TO THE RIGHT DOOR, PN 5914985516. REPLACED RIGHT FORWARD DOOR ASSEMBLY. (X)