What was found
PDX - C5 - LT NACELLE FRAME AT APPROX STA XN 183.974 AND ZN 55.000 IS CHAFED BEHIND NR 1 HYD SUCTION LINE. REMOVED 1 SOLID RIVET IAW Q400 SRM 51-42-05 TO ALLOW FOR BLENDING. BLENDED LT NACELLE FRAME TO REMOVE CHAFE DAMAGE AS REQUIRED. HFEC INSPECTED BLENDED AREA FOR CRACKS IAW D8 Q400 NDTM PART 6, 51-00-01. NO CRACKS NOTED. UT THICKNESS CHECKED BLENDED AREA IAW D8 Q400 NDTM PART 1, 51-00-04. HI .063 INCH LO .048 INCH. MAPPED FOR ENGINEERING. C/W PERMANENT REPAIR PER RD 8/4-54-605, REINSTALLED RIVET AT REPAIR AS PER Q400 SRM 51-42-05.