As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK INDICATION FOUND HOLE POSITION 1 BS 727B, RBL 45.50 FLOOR SUPPORT FLANGE O/B HOLE REF AAR N/R 99867430 PREFORMED APPENDIX A PART A OF EA 5320-02076 REV L OP004 AND INSTALLED REPAIR AT SEAT TRACK STA 727B RBL 45.50 O/B FLANGE IAW SRM 53-40-51 REPAIR 1.