As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN EMERGENCY WAS DECLARED WITH ATC DUE TO THE RIGHT HYDRAULIC FLUID QUANTITY DECREASING. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR DOWN TEE ASSEMBLY. OPERATIONAL AND LEAK CHECKS WERE BOTH GOOD. THE AIRCRAFT HAS RETURNED TO SERVICE. (LP #5300792)