What was found
AIR TURNBACK, DURING ROTATION SMOKE AND OIL ODOR DEVELOPED IN COCKPIT AND CABIN. FOUND COALESCER BAG CONTAMINATED WITH OIL FROM NR 1 ENG. REMOVED AND REPLACED NR 1 ENG PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, DURING ROTATION SMOKE AND OIL ODOR DEVELOPED IN COCKPIT AND CABIN. FOUND COALESCER BAG CONTAMINATED WITH OIL FROM NR 1 ENG. REMOVED AND REPLACED NR 1 ENG PER MM.