As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH LOWERED THE GEAR HANDLE AND THE GEAR FAILED TO LOWER. NOTICED LANDING GEAR CIRCUIT BREAKER WAS EXTENDED. PERFORMED GO-AROUND. RESET BREAKER, LOWERED GEAR, NORMAL LANDING WAS FOLLOWED. MAINTENANCE REPLACED THE GEAR UP PRESSURE SWITCH. GEAR SWINGS PERFORMED WITH NO DEFECTS NOTED. SUCCESSFUL OPERATIONAL CHECK PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.