As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R HYD SYS PRESSURE MESSAGE DURING TAKOFF HYDRAULIC PAGE SHOWING 0 R HYDRAULIC QTY. CREW DECIDED TO RETURN TO DEPARTURE AIRPORT. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT AND WAS GROUNDED BY MAINTE.NANCE. MAINTENANCE FOUND FOUND PRESSURE LINE P/N 272T3100-182 CRACKED. FLEXIBLE LINE INSTALLED IN PLACE OF P/N 273T3100-182. AIRCRAFT WAS RETURNED TO SERVICE.