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-05 CHECK CORROSION WAS FOUND ON VERTICAL STIFFENER AT FORWARD FACE OF BULKHEAD AT BS 1088, RBL 23, BETWEEN WL 210-220. MAINTENANCE REMOVED CORRODED VERTICAL STIFFENER AT FORWARD FACE OF BULKHEAD BS 1088, RBL 23, FROM WL 210 TO WL 220; FABRICATED A NEW REPLACEMENT STIFFENER PER DWG 65-46572; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.