As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNSAFE LANDING GEAR ON THE LT MAIN GEAR ON BOTH PANEL. FOLLOW THE AOE MANUAL CHECK LIST AND RETURNED TO DEPARTURE. (DECLARED EMERGENCY) REMOVED WATER AND CLEANED LT MLG PROXIMITY SWITCHES (WOW) AND PERFORMED NORMAL EXTENSION AND RETRACTION FUNCTIONAL TEST IAW JIC 32-31-00, SYSTEM WORKING PROPERLY.