As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT STA. 328 FLOOR BEAM; WL 208.1; RBL 43.2; STIFFENER ON AFT SIDE OF BEAM HAS CRACK AT FASTENER HOLES / [01] LOCATED AND DRILLED HOLES AT NEW STIFFENER STA 328 RBL-43.2 REF B737-7 SRM 51-40-05-0G-0;[02] THIS STIFFENER WILL BE INSTALLED ON CARD #TTG8Q00ATQD2;[03] VERIFIED STEPS 1 AND 2