As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LOWER SEAT FRAME CONSISTS OF A PERIMETER RECTANGULAR TUBE FRAME THAT HAS THE ENDS OF STEEL STRAPS WELDED TO IT TO FORM A LOOSE WEBBING ASSEMBLY WHICH SUPPORTS THE SEAT CUSHION. DURING A PREFLIGHT THE PILOT NOTICED THE SEAT SAGGING AND FOUND THE ENDS OF TWO STRAPS HAD BROKEN WELDS.