As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON A FLIGHT AT CRUISE ALTITUDE, PILOT NOTICED LT ENGINE PARAMETERS DECREASING TO LOW POWER. THE CREW ELECTED TO SHUT THE ENGINE DOWN, GROUND CREW FOUND THE P3 LINE SNAPPED OFF AT THE O/S GOVERNOR. FSR TROUBLESHOOTING WITH CUSTOMER.