What was found
NR 1 ENGINE SHUT DOWN DUE TO BACKFIRING. REMOVED AND REPLACED NR 16 CYLINDER DUE TO BLOWN HEAD, REF: NAC DC-6MM SECT V PG 16 AND 16A. OP CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 ENGINE SHUT DOWN DUE TO BACKFIRING. REMOVED AND REPLACED NR 16 CYLINDER DUE TO BLOWN HEAD, REF: NAC DC-6MM SECT V PG 16 AND 16A. OP CHECKED GOOD.