As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7439 - IAD-GSO - CREW ABORTED TAKEOFF DUE TO NR 2 ENGINE RPM DROPPED TO 99.5 PERCENT ON TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED X-SCREW, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)