As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND ROCKER BOX COVER CRACKED DURING 100 HOUR INSPECTION. CRACKS CAUSED DUE TO IMPROPER CLEARANCE BETWEEN COVER AND ROCKER ARMS ALLOWING ROCKER ARMS TO CONTACT COVER. THERE IS A NOTABLE CLEARANCE DIFFERENCE BETWEEN AN ORIGINAL MFG COVER AND THE OTHER MFG COVER AT THE LOWER PORTION OF THE COVER. (K)