As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BUILD-UP OF A METRO 2 ENGINE AS A SPARE FOR A "QUICK CHANGE", THE TECHNICIAN NOTICED THE ADEL CLAMPS WOULD NOT HOLD SECURELY TO THE MOUNT. FURTHER INVESTIGATION REVEALED THAT 2 TUBES WERE UNDER THE MANUFACTURERS MINIMUM DIMENSIONS. THE MOUNT WILL BE SENT OUT FOR OVERHAUL.