As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT NR 1901 - AFTER TAKEOFF MIA, UNABLE TO RETRACT LANDING GEAR. AIRCRAFT RETURNED MIA AND LANDED WITHOUT INCIDENT. REPLACED LEFT MAIN LANDING GEAR PITCH DAMPER. ACCOMPLISHED FUNCTIONAL CHECK FLIGHT WITH NO DEFECTS FOUND. SYSTEM OPERATIONAL CHECKED NORMAL. (M)