As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE LOW OIL PRESSURE INDICATION REPORTED ACCOMPANIED BY THE REPORT OF SMOKE ODOR IN CABIN DURING TAXI OUT. CREW SECURED LEFT ENGINE AND RETURNED TO GATE. MAINTENANCE FOUND OIL LEAKING AT LEFT ENGINE BETA TUBE O-RINGS AND PROPELLER DOME SEAL. REPLACED O-RINGS AND DOME SEAL. AIRCRAFT RETURNED TO SERVICE. (X)