As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6281 - IAD-HPN - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO LEFT ENGINE BETA WARNING LIGHT ILLUMINATED AND WOULD NOT EXTINGUISH. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED BETA PRESSURE SWITCH, OPS CHCK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)