As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 6 AND NR 8 CABIN SEATS WERE AT MAINTENANCE FACILITY FOR ROUTINE REFURBISHMENT. DURING DISASSEMBLY IT WAS FOUND THAT THE SEAT PAN CUSHIONS WERE MISSING. IT APPEARS THEY HAD NEVER BEEN INSTALLED. NEW SEAT PAN CUSHIONS WERE FABRICATED AND INSTALLED FROM APPROPRIATELY BURN TESTED MATERIAL.