As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/CHS - FLT 7569 - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO RT ENGINE WOULD ONLY MAKE 75 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND PERFORMED GROUND RUN AND COULD NOT DUPLICATE PROBLEM. OPS CHECK OK. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)