What was found
DFW - FLT 739 - EN ROUTE LGA-DFW - RIGHT HYDRAULIC SYSTEM QUANTITY LOST ALL FLUID INDICATION WITH ASSOCIATED ZERO HYDRAULIC PRESSURE ON RIGHT SIDE. LANDED DFW WITH LANDING GEAR DOORS OPEN. DOORS MADE CONTACT WITH RUNWAY. REPLACED RIGHT LANDING PAD ON DOOR. TIGHTENED RIGHT THRUST REVERSER HYDRAULIC PRESSURE LINE AT ENGINE PYLON. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)