What was found
PILOT EXPERIENCED AN IN FLT FADEC FAILURE/ENGINE MANUAL INDICATION. PILOT PERFORMED EMERGENCY PROCEDURES. ON GROUND AND SHUTDOWN, POWER WAS RE-APPLIED TO SYS & NO FAULTS INDICATED. PERFORMED DIAGNOSTICS WITH MANUFACTURER SOFTWARE. DOWNLOADED DATA FROM DCU & FOUND FAULT CODE "CFUR 1=5" FOR MODE. PERFORMED TROUBLESHOOTING IAW MM 72-00-02 ON EEC CONNECTOR P1, PINS X & Y WITH NO FAULTS FOUND. LOWERED/OPENED OVERHEAD PANEL TO INSPECT THE WIRING OF THE MODE SELECT SWITCH & FOUND A WIRE CHAFED TO NR 1 ENGINE MODE SELECT SWITCH 103KA. REPAIRED CHAFED WIRE. ALSO REPOSITIONED BUNDLE TO PROVIDE SEPARATION FROM ROTOR BRAKE CABLE THAT WAS PERCEIVED ISSUE WITH CHAFING. SYSTEM TESTED GOOD & ACFT RETURNED TO SERVICE.