What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK GALVANIC CORROSION WAS FOUND ON FLOOR SUPPORT AT RBL 38, BETWEEN BS 997 AND BS 1004, WL 208. MAINTENANCE CUTOUT DAMAGE ON FLOOR SUPPORT AT RBL 38, FROM BS 997 TO BS 1004; FABRICATED A FILLER AND REPAIR ANGLE; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-70-12.