As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 4304 - DURING FLT FROM BOS TO YOW, THE LEFT ENGINE CHIP DETECTOR LIGHT ILLUMINATED. THE AIRCRFT DIVERTED BACK TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED CHIP DETECTOR AND FOUND ONE CHIP. CHIP WAS WITHIN LIMITS PER GE MM. INSPECTIONS AND RUNS WERE PERFORMED PER GE MM AND NO FURTHER DEFECTS NOTED. AIRCRAFT RELEASED TO SERVICE. (M)