As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-16 CHECK A 3 INCH CRACK WAS FOUND ON UPPER FLANGE OF INTERCOSTAL (BAFFLE) AT BS 440-460, OUTBOARD OF STR 26 LT. MAINTENANCE REMOVED DAMAGED INTERCOSTAL FROM BS 440 TO BS 460; FABRICATED A NEW REPLACEMENT INTERCOASTAL PER DWG 65-41473; INSTALLED REPAIR PARTS IAW B737-200 SRM 51-30-02, PG. 1, FIG. 7.