As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE MOUNT HAD BEEN RECENTLY OVERHAULED. THE LEFT HORIZONTAL TUBE WAS FOUND CRACKED 3/4 AROUND THE CIRCUMFERENCE IN A HELICAL PATTERN. NO CORROSION WAS EVIDENT. SUBMITTER SUGGESTS THAT TUBE INTERNALSTRESSES MAY HAVE BEEN ENCOUNTERED DURING OVERHAUL.