As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS/PWM - FLT 6398 - DURING TAKEOFF, AT 1920 HOURS ON 7-27-97, ABORTED TAKEOFF DUE TO AIRCRAFT DID NOT BUILD SPEED, FELT AS IF BRAKES WERE DRAGGING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND BLED BRAKE SYSTEM, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (X)