As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT NOTICED LOSS OF MANIFOLD PRESSURE FOLLOWED BY A LOUD RATTLING FROM THE RIGHT ENGINE. THE EXHAUST PIPE HAD BROKEN OFF ITS ATTACHMENT TO THE LEFT SIDE OF THE TURBOCHARGER TRANSITION. THE FAILURE OCCURRED IN THE FLANGE RADIUS. ALTHOUGH THERE WAS A POTENTIAL FOR FIRE, NO EVIDENCE OF EXHAUST STAINS OR HEAT DAMAGE WAS DETECTED. (M)