As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING OUT OF 10,000 FEET, LT ENGINE ITT WENT INTO RED RANGE. N2 GAGE AT IDLE "VIBRATION" REMAINED. DECLARED AN EMERGENCY, ACFT RETURNED TO DEPARTURE. PERFORMED BORESCOPE INSPECTION ON LT ENGINE. DETERMINED UNSERVICABLE. ENGINE CHANGED IAW AMM 71-00-00-04.