As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 4584 - DURING TAKEOFF, CREW RECEIVED LOW OIL PRESSURE WARNING ON LEFT ENGINE. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE GROUND RAN ENGINE AND REPORTED THAT OIL PRESSURE READINGS WERE NORMAL. MAINTENANCE REPLACED THE WEU AS PRECAUTIONARY MAINTENANCE. AIRCRAFT RETURNED TO SERVICE. (M)