What was found
FWD CABIN DUMMY RAIL, Y-189 IS CORRODED AT FRAME 20. BLENDED OUT CORRODED AREA IAW SRM 51-74-00, L=2.0" W=1.0", D=0.051". ORIGINAL MATERIAL THICKNESS 0.080", FOUND TO BE OUTOF LIMITS IAW SRM 53-11-14, FIG 105. REMOVED DAMAGED DUMMY RAIL IAW SRM 51-42-11, INSTALLED NEW RAIL IAW SRM 51-42-11.