As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - EMERGENCY LANDING - CREW REPORTED RT GREEN GEAR LIGHT REMAINED ON DURING ENTIRE FLIGHT, WITH GEAR UP. GEAR EXTENDED NORMALLY IN PHX. CREW DID MAKE A PRECAUTIONARY FLY BY THE TOWER PRIOR TO LANDING. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT AND TAXIED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE RT MAIN GEAR DOWN AND LOCKED SWITCH CARD, M981, IAW BOEING 737-300 MM 32-09-20-724-015. OPERATIONAL CHECKS WERE GOOD.