As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE COOLING BAFFLE LOWER LT RETAINING SPRING FOUND BROKEN DURING INSPECTION. COOLING BAFFLE WAS CONTACTING NR 5 CYLINDER ROCKER BOX OIL RETURN LINE RESULTING IN SUBSTANTIAL CHAFING TO OIL LINE. RETAINER, SPRING AND OIL LINE REPLACED.