As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/BOS - FLT 6508 - DURING TAXI AT 1625 HOURS ON 6-07-97, AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS DUE TO RT OIL PRESSURE GAUGE FLUCTUATION. MAINTENANCE INSPECTED AND OPENED DMI 57625, MEL 79-3. MAINTENANCE CLOSED DMI 57625 ON 6-9-97 BY REMOVING AND REPLACING OIL PRESSURE TRANSDUCER. OPS CHECK OK. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)