As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL LINE FROM FUEL CONTROL TO FUEL FLOW TRANSMITTER CHAFED APPROCIMATELY 30 PERCENT THROUGH THE WALL THICKNESS AT THE POINT WHERE IT PASSES THROUGH FRONT FIRE SHIELD. POOR CLAMPING ARRANGEMENT AND PASS THROUGH HOLE DESIGN IN FIRE SHIELD ARE CAUSE OF CHAF AND POTENTIAL FIRE HAZZARD. SUGGEST MFG REDESIGN CLAMPING AND PASS THROUGH HOLES. (K)