What was found
DURING 'D' CHECK, MAINTENANCE FOUND CORROSION ON STRINGER 9R AT STATION 680 TO 740. MAINTENANCE CUT FRAME AT BS 720, STR 9R FOR ACCESS. FABRICATED FRAME REPAIR PARTS, INSTALLED STRINGER 9R AND FRAME REPAIR PARTS PER SRM 53-10-4, 51-30-2 MM 51-20-151.