As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ITT WAS 60 DEGREES HIGHER THAN RIGHT ON TAKEOFF. DURING CLIMBOUT LEFT ITT CONTINUED CLIMBING TO 100 DEGREES DIFFERENCE. UNABLE TO MAKE CHARTED TQ ON LT ENGINE BY 30 PERCENT. ALL OTHER INDICATIONS NORMAL. AIRCRAFT RETURNED TO IAD AND MAINTENANCE REPLACED THE NR 1 ENGINE CONTROL UNIT.