What was found
RIGHT HYDRAULIC SYSTEM FAILED - NO PRESSURE, QUANTITY 0 ON TAXI OUT. AC RETURED TO GATE AND MAINTENANCE GROUNDED AC . FOUND HYDRAULIC LINE FLEX LINE AS117-08K0165 (HOSE ASSY, SECT 31 ENG HYD) LEAKING AT THE RH ACMP. .REPLACED WITH FLEX LINE AND DERERRED FOR TACKING IAW AMM 20-10-04 AND GMM 07.04 . SERVICED HYDRAULICS TO FULL . LEAK CHECK GOOD .AC RETURNED TO SERVICE. NEXT LEG REMOVED & REPLACED R/H HYD ACMP TEMPORARY LINE WITH THE CORRECT FLEX LINE IAW B767 AMM 29-11-01 OK FOR SERVICE THIS CLOSES DI52279 PLACARDS REMOVED A/C REMAINS NO ETOPS LP 38850-44/2.