As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE CAUTION WARNING CHIP DETECTOR LIGHT ILLUMINATED IN FLIGHT. CHIP DETECTOR WAS REMOVED AND NO SIGNIFIGANT CHIP WAS FOUND. REINSERTED CHIP PLUG AND RAN AIRCRAFT LIGHT ILLUMINATED AGAIN. MINTENANCE FOUND EXTENSIVE METAL ON BOTH UPPER AND LOWER ENGINE CHIP DETECTORS. EXTERNAL ENGINE OIL FILTER SHOWED LARGE AMOUNT OF METAL. ENGINE REMOVED FOR REPAIR.