As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR LEVER COULD NOT BE RAISED, HAD TO DEPRESS BUTTON TO RAISE SELECTOR. TROUBLESHOOT SYSTEM, REMOVED AND REPLACED RT MLG AIR/GROUND SENSOR IAW MM 32-63-01, OPS CHECKED SYSTEM NORMAL IAW MM 32-63-0. AIRCRAFT RETURNED TO SERVICE.