As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE LEVELING OFF AT 6000 FEET, LT ENG BEGAN TO VIBRATE, N1 BEGAN TO DECREASE, ITT INCREASED TO APPROXIMATELY 650 DEGREES. ITT DECREASED WITH POWER LEVER RETRACTION & VIBRATION BECAME NOMINAL AT APPROXIMATELY 35% N1. TROUBLE SHOT & REPLACED LT BOV TORQUE MOTOR IAW MM CHAP 75-30-01. ENG OPERATIONS CHECKED GOOD.