As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK, EXFOLIATION CORROSION WAS FOUND ON SHEAR TIE AT BS 1006, BETWEEN STR 27 LT AND STR 27 RT. MAINTENANCE REMOVED CORRODED SHEAR TIE AT BS 1006, FROM STR 27 LT TO STR 27 RT; FABRICATED A NEW REPLACEMENT SHEAR TIE PER DWG 65-46567; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-40-02.