As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON SCHEDULED UNDERFLOOR INSPECTION, FOUND FRAME 16F RIB WEBBING AT BL 0.0 SLIGHTLY BUCKLED OR DEFORMED. A DOUBLER WAS FABRICATED, USING 2024 T3 MATERIAL OF 0.040" THICKNESS, APPROXIMATELY 39.5" LONG BY 3.75" WIDE. DOUBLER WAS INSTALLED USING UNIVERSAL MS20470 RIVETS. CRITERIA FOR ACCOMPLISHING THE REPAIR WAS FOUND IN THE CASA 212 SRM, AND A FORM 337 WAS FILED.