As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DCA - FLT 4210 - LEFT LOW OIL PRESSURE WARNING WAS RECEIVED ON TAKEOFF ROLL. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED LEFT ENGINE AND OIL LEVEL WITH NO PROBLEMS FOUND. THE WEU WAS REMOVED AND PLUG INSPECTOR THEN REINSTALLED. ENGINE WAS GROUND RUN WITH NO PROBLEMS EN COUNTERED. AIRCRAFT WAS RETURNED TO SERVICE. (M)