What was found
AFT WET AREA 986.5 FLOOR BEAM HAS CORROSION AT RBL 40. GROUNDED - YES. REMOVED DAMAGE AND FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 57-50-51-1A-1 ORIGINAL THICKNESS .150, MAT REMAINING .085 PER BAC DWG# 147A5506 REV-, CUT AND REMOVED DAMAGE PART OF FLOOR BEAM IAW B737-900ER SRM 53-70-51-2R-6 ALTERNATIVE 4, FABRICATED,LOCATED,DRILLED REPAIR PARTS I.A.W B737-900ER SRM 53-70-51-2R-6 ALTERNATIVE 4, ALODINED AREA AND REPAIR PARTS IAW B737-900ER SRM 51-20-01, PRIMED AREA AND REPAIR PARTS PER SOPM 20-41-02, INSTALLED REPAIR PARTS IAW B737-900ER SRM 53-70-51-2R-6 ALTERNATIVE 4.