What was found
DURING PYLON MATCHING ANGLES AND FUSELAGE SKIN INSPECTION, NOTED AN ADEL CLAMP, PN MS21919DG6, WAS BROKEN ON THE RIGHT HAND SIDE FS 367. FURTHER INSPECTION REVEALED THE THRUST REVERSER STOW HYDRAULIC PRESSURE LINE ASSY, PN 306-588003-039, HAD WORN THROUGH APPROXIMATELY HALF OF THE .035 INCH WALL THICKNESS CAUSED BY THE BROKEN ADEL CLAMP AND RUBBING AGAINST THE ATTACH BRACKET. RECOMMEND A ONE-TIME INSPECTION OF CLAMPS AND LINE ASSEMBLIES AND REINSPECTION EVERY 150 HOURS MAINTENANCE CHECK.