As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON INSPECTION OF FLOOR ASSY, VISUAL CHAFING OF STRUCTURAL ALUMINUM U-TUBING WAS OCCURRING DUE TO ABRASION BY PROPANE FUEL TANK. WICKER WAS ALREADY BROKEN. SUGGEST THOROUGH INSPECTION AT ANNUALS AND APPLICATION OF ANTI-CHAFE MATERIAL (SPLIT HOSE) TO TANK BASE.