As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE, PILOTS REPORTED WEIGHT ON WHEELS CAUTION LIGHT WAS INTERMITTENTLY COMING ON. MAINTENANCE PERSONNEL DID PSEU BITE CHECK AND FOUND THAT THE LT MLG NR1 PROXIMITY SENSOR CODE CAME UP. RESISTANCE CHECK OF SENSOR FOUND THAT IT HAD VERY HIGH RESISTANCE. SENSOR REPLACED WITH SERVICEABLE UNIT, FUNCTION CHECKS CARRIED OUT AND FOUND TO BE SERVICEABLE. AIRCRAFT RETURNED TO SERVICE.