What was found
BQN/SJU - FLT PGI NR 1864/27 - UPON GEAR RETRACTION AFTER TAKEOFF BQN, RT MAIN LANDING GEAR RED LIGHT ILLUMINATED AND REMAINED ILLUMINATED. MANUAL GEAR EXTENSION ACCOMPLISHED, AIRCRAFT LANDED SJU. FOUND RT MLG UPLOCK ACTUATOR ATTACH CRACKED OFF. REPLACED SAME PER MM. JACKED AIRCRAFT RETRACTION/EXTENSION CHECK ACCOMPLISHED. AIRCRAFT RETURNED TO SERVICE.