What was found
AFTER TAKEOFF, GEAR HANDLE SELECTED UP, THE NOSE LANDING GEAR AND MAIN LANDING GEAR UNSAFE LIGHTS REMAINED ILLUMINATED. GEAR WAS RECYCLED THREE TIMES WITH THE SAME RESULT. REPLACED LANDING GEAR CONTROL VALVE IAW DC9 MM 32-32-0.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, GEAR HANDLE SELECTED UP, THE NOSE LANDING GEAR AND MAIN LANDING GEAR UNSAFE LIGHTS REMAINED ILLUMINATED. GEAR WAS RECYCLED THREE TIMES WITH THE SAME RESULT. REPLACED LANDING GEAR CONTROL VALVE IAW DC9 MM 32-32-0.