As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT WAS INSPECTED AND FOUND TO HAVE SEVERAL CRACKS AND CORROSION IN STRUCTURAL TUBING, AS PER SKETCH, THAT APPEARS TO BE THE RESULT OF WATER FREEZING. SUBMITTER REPORTS THAT THE INSPECTION WOULD NOT HAVE SHOWN THESE DEFECTS WITH OUT HAVING LIFTED THE FLOOR PANELS.