As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6602 - IAD-BWI - AIRCRAFT RETURNED TO GATE DUE TO RT OIL CONTAMINATION WARNING LIGHT ILLUMINATED. MAINTENANCE INSPECTED AND FOUND SMALL CHIP ON DETECTOR AND REMOVED AND REINSTALLED CHIP DETECTOR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)