As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TAILPIPE NEARLY SNAPPED OFF FROM MUFFLER, INTERNAL BAFFLES LOOSE AND OBSTRUCTING EXHAUST OUTLET PART, CAUSING THE BACK PRESSURE TO RISE AND FAILURE OF TAILPIPE HAS OCCURRED. ENGINE POWER WAS ROBBED AND FORCED THE BUILD-UP OF BACK PRESSURE TO EXIT THE HOLE IT HAS CREATED. CORRECTION ACTION IS TO SEND MUFFLER TO AN AMO WHOM MAY REPAIR MUFFLER AND COMPLETE TAP TESTS TO MUFFLER TO VERIFY THE STATUS OF INTERNAL BAFFLES, AT EVERY INSPECTION.