As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH FLIGHT 3977. CREW ABORTED TAKEOFF DUE TO THE LEFT HAND ENGINE VIBRATION REACHING THE AMBER RANGE. THE AIRCRAFT WAS FERRIED TO TYS AFTER EXTENSIVE TROUBLESHOOTING BY MAINTENANCE. THE LEFT HAND ENGINE WAS REMOVED AND REPLACED IAW CONTINENTAL EXPRESS TASK CARD 6271001. THE OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY, AIRCRAFT RELEASED FOR SERVICE.