What was found
DURING C-18 CHECK, CORROSION WAS FOUND ON SIDE OF STRINGER 28 RT, BETWEEN BS 312 AND BS 322. MAINTENANCE CUTOUT DAMAGED SECTION OF STRINGER 28 RT, FROM BS 312 TO BS 322; FABRICATED A REPAIR ANGLE AND CHANNEL; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-00-03, FIG 201.