As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)WHILE CLIMBING THROUGH 18,000 FEET A LOUD BANG WAS HEARD AND #1 ENGINE SPOOLED DOWN WITH VIBRATIONS AT 5.0 PLUS. #1 ENGINE WAS SHUTDOWN. POST FLIGHT INSPECTION FOUND EXTENSIVE TURBINE DAMAGE AND 6 SMA LL PUNCTURES IN TAILPIPE THE LARGEST BEING 3/8 INCH. ENGINE, TAILPIPE AND REVERSER WERE REPLACED.