What was found
AIRCRAFT SUFFERED HYDRAULIC PRESSURE LOSS, FOUND LT RUDDER CABLE CHAFED THRU PRESSURE LINE BEHIND PILOTS LT SIDE WALL, AREA IS DIFFICULT TO INSPECT DUE TO SIDE WALL/INSULATION. LINE REPLACE, SYSTEM SERVICED OPERATES NORMAL. PLEASE FIND BELOW ADDITIONAL ITEMS DISCUSSED IAW TELECOM DATED 8/15/2006. PROBLEM WITH THE CABLE CHAFING THROUGH THE PRESSURE LINE HAS BEEN IDENTIFIED ONE TIME PREVIOUS TO THIS INCIDENT. BOTH OCCURRENCES HAPPENED BETWEEN 6000-7000 AC HOURS. PROBLEM IN BOTH CASES WAS NOT IDENTIFIED UNTIL HYDRAULIC LEAK WAS DETECTED. MECHANIC REPOSITIONED THE NEW LINE TO ALLEVIATE THE PROBLEM. (K)