As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS REPORTED THAT UPON APPROACH NEITHER THE LETTER "R" OR THE LETTER "H" GREEN LIGHTS ILLUMINATED ON THE RT SIDE UPON GEAR EXTENSION NOR WITH THE MANUAL EXTENSION PROCEDURE. MX FOUND THE RT MLG ACTUATOR DOWNLOCK SWITCH CONNECTOR NOT CONNECTED PROPERLY. MX RE-SECURED CONNECTOR. REFERENCE MM 32-31-10 C. MX PERFORMED TWO EXTENSION RETRACTION CHECKS WHICH WERE GOOD.