What was found
AFT / CARGO L/S ' Z-CHANNEL SECTION ' FROM STA 727 - STA 727E SHOWS CORROSION AT 6 FASTENER HOLE LOCATIONS; ON BOTTOM SURFACE OF Z-CHANNEL ASSY.<[01] REMOVED CORROSION; PERFORMED UT THICKNESS INSPECTION; CHECKED LIMITS OF REWORKED AREA ON AFT CARGO L/S Z CHANNEL STA 727 TO STA 727E PART FOUND TO BE OUT OF LIMITS PER SRM 51-10-02-0G-0; SRM 53-00-53-1A-2. <BR>FABRICATION AND INSTALLATION OF LEFT Z CHANNEL TO BE ACCOMPLISHED ON TASK CARD #TTG8Q00Q6FVQ;[02] VERIFIED STEP 1.