As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SHUTDOWN, NOTICED EXCESSIVE OIL LEAKING FROM AFT HEAD. CLOSER INSPECTION AND SUBSEQUENT REMOVAL OF RED HORIZONTAL HINGE PIN BEARING END CAP REVEALED METAL SHAVINGS COMING FROM RED LEADING HORIZONTAL BEARING. AFTER FURTHER DISASSEMBLY, FOUND A CRACKED HORIZONTAL HINGE PIN SLEEVE. CAUSE UNKNOWN. (X)