As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT MAIN LANDING GEAR DID NOT RETRACT ON TAKEOFF. TOWER NOTIFY. RECIEVED A GEAR DISAGREE EICAS MESSAGE. GEAR CAME UP AT 15K. REMOVED AND REPLACED RIGHT MAIN GEAR TRUCK POSITIONER ACTUATOR. OPS AND LEAK CHECK NORMAL. GEAR SWINGS NORMAL IAW AMM 32-32-15-4. ACFT OK TO CONTINUE.