What was found
MAIN CABIN FWD FLOOR SUPPORT BEAM APPROX STA 345 RBL 1 TO LBL 20, HAS CORROSION ON UPPER SURFACE AT MULTIPLE AREAS 209-075 ACCOMPLISHED PERMANENT REPAIR ON MAIN CABIN FLOORBEAM AT STA 34 5 RBL1-RBL12 IAW SRM 53-00-51 REPAIR 5 FIG 201-204. BLENDED OUT CORROSION ON FLOORBEAM UPPER SURFACE AT STA 345, RBL1 - LBL-20, L=20, W=2, D=0.08. FOUND WITHIN LIMITS, HFEC INSPECTION C/W IAW SRM 53-00-51 AD 1 DET III. A2/A1=0.0072/0.1 875=0.0384 X 100=3.84% FOUND IN LIMITS IAW SRM 53-00-51 AD 1 DET IV.