What was found
(CAN) WHILE PERFORMING A WING SPAR INSPECTION, THE TECHNICIAN NOTICED A POOL OF HYDRAULIC OIL UNDER CENTER FLOORBOARDS. FURTHER INVESTIGATION REVEALED THAT THE LT BRAKE LINE UNDER THE MID CABIN FLOOR WAS CHAFED (FRETTING CORROSION) THROUGH IN SEVERAL SPOTS WHERE IT WAS SECURED WITH SADDLE BLOCKS. BRAKE LINE 114-580291-1 WAS AFFECTED AS WELL. THE AIRCRAFT BRAKE RESERVOIR WAS JUST ABOUT EMPTY AT THE TIME OF DISCOVERY. DAMAGED SECTION OF BRAKE LINE WAS REPLACED. (TC NR 20081215006)