What was found
ON INITIAL CLIMB OUT, EXCESSIVE NOISE AND VIBRATION IN VICINITY OF NOSE GEAR. WHEN GEAR LOWERED, NOISE, VIBRATION STOPPED. FOUND RIGHT FORWARD NOSE GEAR DOOR OPEN, AND DOOR STOP CABLE BROKEN. REPLACED LEFT AND RIGHT NOSE GEAR DOOR STOP CABLES IAW DC-9 MM 32-22-01-2-0004. OPS CHECKED GOOD.