What was found
UPON INITIAL RUN UP OF FACTORY REBUILT ENGINE, COOLER LEAK NOTED. REMOVED COOLER AND CHECK BASE PLATE AND COOLER BASE FOR SURFACE VARIATIONS. BOTH PIECES DID NOT HAVE SURFACES THAT SHOWED TO BE TRUE AND FLAT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPON INITIAL RUN UP OF FACTORY REBUILT ENGINE, COOLER LEAK NOTED. REMOVED COOLER AND CHECK BASE PLATE AND COOLER BASE FOR SURFACE VARIATIONS. BOTH PIECES DID NOT HAVE SURFACES THAT SHOWED TO BE TRUE AND FLAT.