What was found
AFT MAIN CABIN FLOOR SUPPORT BEAM UPPER SKIN HAS CORROSION AROUND FSTNR HOLE, RBL -44, BS986.5. GROUNDED - YES. REMOVED CORROSION FROM THE FLOORBEAM AT STATION 986.5, RBL 44 ORIGINAL THICKNESS 0.150",REMOVED 0.058",REMAINING THICKNESS 0.092"FOUND OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1, FIG 104, DETAIL C. REMOVED THE DAMAGED UPPER FLANGE AND ACCOMPLISHED A CATEGORY "A" REPAIR AT STATION 986.5, RBL 38 TO RBL 48 IAW B737-800 SRM 53-70-51-2R-6 REPAIR 6.