What was found
FLT 60 - SHUT DOWN NR 3 ENGINE AT 2058Z DUE TO BACKFIRING AND BMEP DROP. MAINTENANCE REPLACED NR 9 CYLINDER AND RETURNED AIRCRAFT TO SERVICE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 60 - SHUT DOWN NR 3 ENGINE AT 2058Z DUE TO BACKFIRING AND BMEP DROP. MAINTENANCE REPLACED NR 9 CYLINDER AND RETURNED AIRCRAFT TO SERVICE. (X)