As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM AT FR 66 BETWEEN 3L AND 4L SEAT TRACKS HAS 2 EACH 0.30 INCH CRACKS, 1 INCH ABOVE ON MILLED GRIP 2 INCH FROM TOP OF FRAME. CUT OUT DAMAGED AREA IAW SRM 53-10-15 FIG 211 PG 389. NDT CHECK COMPLIED WITH FOR INITIAL CRACKS, NO CRACKS FOUND IAW NTM 51-10-08. REPAIRED FLOORBEAM AT FR 64 BETWEEN 3L AND 4L SEAT TRACKS IAW SRM 53-10-15 PG 389/390 FIG 211. USING REPAIR ANGLE SCHEME.