As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BEFORE LANDING CHECKS, THE NOSE GEAR SHOWED LOCKED DOWN BUT 2X MAIN GEAR WERE SHOWING AMBER CAUTION LIGHTS. AIRSPEED WAS REDUCED AND THE CIRCUIT BREAKER AND HYDRAULIC PAGE WAS CHECKED. ALL WAS NORMAL & GEAR WAS CYCLED 3 TIMES. THE MAIN GEAR WAS STILL SHOWING AMBER CAUTIONS SO THE EMERGENCY DOWN SWITCH WAS ACTIVATED PER QRH.