What was found
MCN - MAJOR REPAIR - DURING C17 CHECK EXFOLIATION CORROSION WAS FOUND ON STRINGER 17 RT BETWEEN BS 827 AND BS 847. MAINTENANCE REMOVED CORRODED SECTION OF STRINGER 17 RT FROM BS 827 TO BS 847; FABRICATED A NEW REPLACEMENT SECTION OF WEB PER DWG 65-47976; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 3, 4, 8, & 9.