As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6302 - IAD-BOS - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT OIL CONTAMINATION WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND VERY SMALL AMOUNT OF METALLIC MATERIAL ON CHIP DETECTOR. MAINTENANCE CLEANED AND REINSTALLED CHIP DETECTOR AND GROUND RAN AIRCRAFT, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)