What was found
CABIN FLOOR BEAM AT STA 986.5 LBL 32 AND LBL 35 HAS SURFACE CORROSION ON THE UPPER AND LOWER SURFACES OF THE FASTENER HOLE. REMOVED CORROSION IAW SRM 51-10-02-0G-0. NDT PERFORMED UT THICKNESS INSP. ON REWORKED AREAS IAW NDT PART 4 51-00-00 PROCEDURE 3. MIN. THICKNESS 0.124'. PERFORMED A HFEC INSPECTION IAW NDT PART 06 51-00-00 PROC 23 NO CRACKS. PERFORMED A OPEN HOLE HFEC INSPECTION IAW NDT PART 06 51-00-00 PROC 23, NO CRACKS.. ROUGHNESS TEST DONE MATERIAL LOSS .026', FOUND OUT OF LIMITS IAW SRM 53-70-51-1A-1 FIG 103 DETAIL C. REPAIR ACCOMPLISHED PER ADD-M-21-153-00612 REPAIR FUSELAGE B-S 986.5.