As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YQB - FLT 4386 - THE LEFT ENGINE LOW OIL PRESSURE WARNING ILLUMINATED DURING TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED LEFT OIL PRESSURE WARNING SWITCH. AIRCRAFT RETURNED TO SERVICE. (M)