What was found
FEATHERED THE NR 4 ENGINE DUE TO BACKFIRING AND OIL LOSS. REPLACED THE NR 3 CYLINDER PUSHROD HOUSING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FEATHERED THE NR 4 ENGINE DUE TO BACKFIRING AND OIL LOSS. REPLACED THE NR 3 CYLINDER PUSHROD HOUSING.