As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6540 - IAD-BDL - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT OIL PRESSURE FLUCTUATION HIGH OFF SCALE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RT OIL PRESSURE TRANSDUCER. MAINTENANCE GROUND RAN AIRCRAFT, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)