As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 4524 - EN ROUTE TO LEB FROM BOS, THE LT ENGINE CHIP LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO BOS LANDING WITHOUT INCIDENT. MAINTENANCE INSPECTED THE OIL FILTER, SCAVENGE SCREENS AND CHIP DETECTOR AND DETERMINED THAT THE MATERIAL FOUND WAS WITHIN ALLOWABLE LIMITS. MAINTENANCE PERFORMED A SUCCESSFUL PENALTY RUN AND RETURNED THE AIRCRAFT TO SERVICE. (X)