As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A PREFLIGHT INSPECTION, THE LT PROPELLER WAS FOUND TO BE SEIZED. THIS LED TO AN INSPECTION OF THE CHIP DETECTOR WHICH REVEALED METAL CHIPS. THE RT ENGINE CHIP DETECTOR WAS THEN INSPECTED. METAL CHIPS WERE ALSO PRESENT. BOTH ENGINES WERE REMOVED AND TAKEN FOR TEARDOWN.