As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHF/IAD - FLT 6242 AT 1848 HOURS ON 1-24-96, THE FLIGHT CREW REPORTED NOXIOUS FUMES FROM THE FLOWS IN-FLIGHT. CREW DEACTIVATED SYSTEM AND DEPLOYED OXYGEN MASKS. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED THE EXCESS OIL FROM THE LT ACM. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)