As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAKEOFF #1 ENGINE ROLLED BACK APPROXIMATELY 30 PERCENT. THE PROBLEM COULD NOT BE DUPLICATED ON RUN-UP. THE PRATT & WHITNEY ENGINE HARNESS, MFC AND ECU WERE REPLACED AFTER THE ROLL BACK. AN INVESTIGATION BY PRATT & WHITNEY HAS BEEN REQUESTED.