As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IT WAS REPORTED THAT THE RT ENGINE HAD AN ENGINE SURGE. NO EEC AND PEC FAULT. BORESCOPE INSPECTION OF LP/HP IMPELLER OF BOTH ENGINES DID NOT SHOW ANY DAMAGE. GROUND-RUN PERFORMANCE CHECK, OK AS THE ENGINE SURGE HAS OCCURRED ON A REMOTE ISLAND, A TEAM HAS BEEN SENT ON SITE FOR TROUBLESHOOTING/CHECKS.