As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(U43R) DURING 100 HR INSP, THE TECH FOUND CRACKS IN THE CHAIN WELDS AT THE EXHAUST EXIT BALL AND THE HEAT EXCHANGER COVER. THE CRACKS START AT THE FINISH POINT OF THE WELDS THROUGH THE CTR OF EACH WELD, TO THE START POINT OF EACH WELD. REPAIR AND RETURNED THE ACFT TO SERVICE AFTER THE COMPLETION OF THE INSP.