As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LOW TAKEOFF MANIFOLD PRESSURE. RAPID DIMINUTION OF MANIFOLD PRESSURE DURING CLIMB.ON INSPECTION, HOSE APPEARED BROWNISH & DRY. DURING MANIPULATION TO CHECK NUMBERS ON/DENT BAND, HOSE BROKE IN TWO PIECES AT 4.5 INCHES FROM DIFF. CONTROLLER IN VICINITY OF EXHAUST PIPE.