What was found
DURING C CHECK, RT BS 306 RBL6.0 BILGE AREA WALKWAY NEARBY HORIZ BEAM CHORD PRESENTS CORROSION. REMOVED FASTENERS IN AREA TO GAIN ACCESS IAW B727 SRM 51-30-2 CUT-OUT DAMAGED AREA DIMENSION 1" BY .500 AND FABRICATED REPAIR DOUBLER FROM 7075-O .050 PO NR 9004219 DIM 4" BY 1" IAW B727 SRM 53-10-4 FIG 11 AND 53-10-2 FIG 1. HEAT TREATED REPAIR DOUBLER TO 7075-T6 IAW FAS ENGINEERING REPORT NR 2-37153-801 REVISION A TREATED AND PRIMED REPAIR DOUBLER IAW B727 SRM 51-10-2AND INSTALLED REPAIR DOUBLER AT RT BS 306 RBL 16 IAW B727 SRM 53-10-4 FIG 11 AND 51-30-2.