As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) MAINTENANCE DISCOVERED CRACK ON THE RT AND LT SIDE OF THE FLOOR SUPPORT ANGLE FOR THE COCKPIT FLOOR. THE CRACKS RUN FROM A RADIUS CUT OUT TO THE FIRST ADJACENT RIVET IN THE HORIZONTAL FLANGE. CRACK IS JUST FORWARD OF THE POST AT FS280 IN THE COCKPIT ENTRANCE FLOOR SUPPORT ANGLE.