As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF RT MAIN GEAR PRIMARY & SECONDARY INDICATORS SHOWED GEAR NOT UP. COMPLIED WITH QRH & WAS UNABLE TO RESOLVE INDICATION PROBLEM. TROUBLE SHOT & FOUND RT MAIN GEAR DOWNLOCK ACTUATOR FAILED. R & R RT MAIN GEAR DOWNLOCK ACTUATOR. ALL OPERATIONS CHECKED NORMAL.