What was found
EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CRUISE, RT HYD SYS PRESS DROPPED TO ZERO. ACFT STOPPED ON RUNWAY & WAS TOWED TO GATE. R & R RT HYD EDP IAW AMM 29-10-0 5. PERFORMED HYD RESERVOIR LEAK CHECK IAW MCM 29-96-10. ALL OPERATIONAL CHECKED GOOD, NO LEAKS NOTED & HYD PRESS NORMAL.