As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF. ADVANCED THRUST LEVERS FOR TAKEOFF ENGINE STABILIZED AT 40 PERCENT NR 2 ENGINE REMAINED AT APPROX 50-60 PERCENT WHILE NR 1 ENGINE ADVANCED TO TAKEOFF POWER. ABORTED TAKEOFF AT APPROX 10-20 KTS AUTO THROTTLES WERE USED FOR T/O. FOUND VBV RING GUIDE PADS IMPENDING THE 7 O'CLOCK POS VBV VALVE. REMOVED 4 EA VBV RING GUIDE PADS PER AMM.