As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE ENGINE CHIP CAUTIONS OVER A HANDFUL OF FLIGHTS SINCE MID-APRIL. MOST RECENT EVENT (THIS INCIDENT) OCCURRED LESS THAN ONE DAY AND 0+45 FLIGHT HOURS AFTER PREVIOUS INCIDENT. MULTIPLE CHIPS (IN EXCESS OF 20) FOUND ON CHIP DETECTOR (M01) AND SEVERAL CHIPS/SLIVERS (IN EXCESS OF 5) FOUND ON, AT LEAST, ONE MAG PLUG (M05). AIRCRAFT GROUNDED AND OIL SAMPLES/CHIP CARDS PULLED AND SENT FOR ANALYSIS. REPLACED ENGINE AND HMU