As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AFTER TAKEOFF, IT WAS REPORTED THAT THE LT ENG ITT GAUGE FAILED. TROUBLESHOOTING FOUND THE LT ENG T1 WIRING HARNESS ASSEMBLY DEFECTIVE & REQUIRED REPLACEMENT PN 3119094-1. THE DEFECTIVE WIRING HARNESS WAS R & R WITH A NEW CONDITION HARNESS. OPERATIONS CHECKED SATISFACTORY, ACFT RETURNED TO SERVICE.