As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 404 - EN ROUTE MIA-MCO - LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. AIR INTERRUPTED AND LANDED MIA WITHOUT INCIDENT. REPLACED HANDLE MODULE CONTROL UNIT. ACCOMPLISHED ALL REQUIRED CHECKS PER MM AND TESTER SIM9066. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)