As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) EXHAUST FOUND CRACKED AT THE FRONT PART OF THE INTERNAL CONE ON AN ENGINE, SOLOY CONVERSION IAW STC SR01647SE. THE CRACK WAS STILL WITHIN REPAIRABLE AREA, BUT COULDN`T BE STOP-DRILLED, SO THE EXHAUST HAS BEEN REPLACED BY A REPAIRED ONE.