As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - FLT 6554 - ON APPROACH TO LA, THE LEFT ENGINE CHIP DETECTOR LIGHT ILLUMINATED. ALL ENGINE PARAMETERS WERE NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND TWO PIECES OF ACCEPTABLE METAL ON THE CHIP DETECTOR. THE CHIP DETECTOR WAS CLEANED AND PENALTY RUNS PERFORMED WITH NO RECURRENCE OF THE CHIP LIGHT. THE AIRCRAFT WAS RETURNED TO SERVICE. (X)