As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, LEFT ENGINE WHEN ADVANCED WOULD NOT ACCELERATE BEYOND 29% N1. ALL TEMPERATURES AND PRESSURES NORMAL. ENGINE START NORMAL. TAKEOFF WAS REJECTED AT LOW AIR/GROUND SPEED. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE MEC ALONG WITH THE FUEL PUMP IAW J/C 03L50673003. PERFORMED ENGINE GROUND TEST DATA SHEET J/C 03L50672010. OPS CHECK NORMAL.