As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3330 - DTW-SBN - EN ROUTE, THE LEFT CHIP DETECTOR LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL REMOVED A SMALL FLAKE FROM THE CHIP DETECTOR, TOOK AN OIL SAMPLE, AND PLACED A RESAMPLE WATCH ITEM ON THE ENGINE. ALL SYSTEMS OPERATED SATISFACTORILY. (M)