As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER A PHASE INSPECTION AND AFTER ENGINE RUN-UP, THE ENGINE WAS CHECKED FOR OIL LEAKS BEFORE COWLING INSTALLED. A LEAK WAS NOTED BEHIND THE RIGHT REAR ENGINE MOUNT BRACKET. A CLOSER LOOK WAS MADE AND A CRACK WAS FOUND (ABOUT 2.50 INCHES LONG). OIL SUMP WAS REMOVED AND REPLACED WITH A SERVICEABLE PART. CAUSE UNKNOWN.