As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT WOULD GET A HYD LIGHT OF A HYD PROBLEM. PILOT WOULD LAND AND ENGINEER WOULD TROUBLESHOOT PROBLEM. FLUID LEVEL WAS CHECKED AND HYD BELT WAS CHECKED FOR PROPER ADJUSTMENT, AND NUMEROUS OTHER POSSIBILITIES WERE CHECKED OUT. FALSE INDICATION WAS THE HYD PRESSURE SWITCH.