What was found
NR 4 ENGINE SHUTDOWN DUE TO BACK FIRING. REPLACED NR 2 CYLINDER DUE TO A BLOWN HEAD. REF: NAC DC-6MM SEC. V. PG.16-16A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 ENGINE SHUTDOWN DUE TO BACK FIRING. REPLACED NR 2 CYLINDER DUE TO A BLOWN HEAD. REF: NAC DC-6MM SEC. V. PG.16-16A.