As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - AFTER GEAR RETRACTION, CREW REPORTED THE RT MLG GREEN LIGHT REMAINED ILLUMINATED. FLIGHT RETURNED TO FIELD AT PHX AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND THE RT MLG DOWNLOCK SENSOR S73 WITH HIGH RESISTANCE. REMOVED AND REPLACED S73 SENSOR PER AMM 32-161-31-004-001. OPERATIONAL CHECK GOOD. ALSO, REPLACED BAD SPLICE AT SPLICE POINT OF S73 DOWNLOCK SENSOR.