As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HPN/IAD - FLT 6388 - DURING CRUISE AT 1739 ON 5-8-95, A STRONG OIL SMELL WAS COMING FROM BOTH FLOWS. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE CLEANED WATER SEPARATOR SOCKS. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)