As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BGR - FLT 4388 - EN ROUTE FROM BOS TO YHZ - THE LEFT ENGINE OIL CHIP DETECTOR LIGHT ILLUMINATED. AIRCRAFT DIVERTED TO BGR AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LEFT CHIP DETECTOR SHORTED INTERNALLY. REPLACED DETECTOR AND AIRCRAFT RETURNED TO SERVICE. (M)