As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND THE ENGINE FIRE DETECTION WIRE HAD BEEN CONTACTING THE AIRFRAME LT SIDE YOKE, ENGINE ATTACH YOKE, IN THE AREA WHERE THE FIRE DETECTION WIRE IS ROUTED ON THE INBD SIDE OF THE ENGINE AROUND THE ENGINE FLANGE, FAN CASE TO ENGINE INTERMEDIATE CASE. THE FIRE DETECTION WIRE HAD WORN A GROOVE IN THE YOKE. THE FIRE DETECTION WIRE IS UNSERVICEABLE DUE TO A FLAT SPOT WORN INTO IT. THE DISPOSITION OF THE YOKE IS CURRENTLY WITH MFG ENGINEERING.