As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE OIL CHANGE FOUND RIVET HEAD IN OIL SUMP SCREEN. REMOVED ENGINE AND OIL SUMP ASSY. FOUND OIL SUMP BAFFLE ASY RIVETS SHEARED OFF AND ATTACH HOLES BROKEN OUT AND BAFFLE ASSY CRACKED. RETRIEVED RIVET STEMS AND HEADS. REMOVED AND REPLACED OIL SUMP BAFFLE ASSY WITH NEW PART. REASSEMBLED ENGINE AND REINSTALLED. (K)