As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/MHT - FLT 6205 - DURING CRUISE AT 1950 HRS ON 10-18-97, MADE AN UNSCHEDULED LANDING. SHUT DOWN ENGINE DUE TO LT ENGINE OIL PRESSURE FLUCTUATION AND WARNING LIGHT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED OIL COOLER, OPS CHECK OK. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)