What was found
A/C RETURNED TO MIAMI FOR RED GEAR LIGHT STAYS ON AFTER GEAR RETRACTION. FOUND LEFT BOGIE UNLOCK CYLINDER DAMAGED. REMOVED AND REPLACED BOGIE CONTROL VALVE IAW MM 32-53-1 AND ALSO REMOVED AND REPLACED LEFT BOGIE CYLINDER ACTUATOR IAW MM 32-53-2. OPS CHECK FOUND GOOD. PERFORMED LANDING GEAR SWING, CHECKED INDICATION LIGHTS IAW MM 32-11-1. OPS CHECK FOUND NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)