As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT WAS IN LEVEL FLIGHT WHEN THE NR 4 ENGINE LOST POWER AND DECELERATED TO IDLE. THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL LANDING WAS CARRIED OUT. POST FLIGHT INSPECTION FOUND A POST MOD P3 LINE SEPARATED AT THE FLANGE. REPLACEMENT OF THE LINE CORRECTED THE PROBLEM.