As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6302 - IAD-BOS - DURING TAXI, THE CREW EXPERIENCED A DISCREPANCY WITH THE LEFT OIL PRESSURE GAUGE FLUCTUATING. THE AIRCRAFT RETURNED TO THE GATE WHERE THE MX TECHNICIANS WERE DISPATCHED TO TROUBLESHOOT THE DISCREPANCY. MX SERVICED THE OIL ON THE LEFT ENGINE AND PERFORMED ENGINE RUNS IAW THE PROCEDURS AS OUTLINED IN THE MM. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (M)