What was found
AIR TURNBACK AFTER TAKEOFF, NR 2 ENGINE NOISE WAS NOTICED ALONG WITH ENGINE VIBRATION METER FLUCTUATIONS. FOUND (4 EA) BLADES SHINGLED NR 38, NR 1, NR 2 AND NR 3. UNSHINGLED BLADES PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK AFTER TAKEOFF, NR 2 ENGINE NOISE WAS NOTICED ALONG WITH ENGINE VIBRATION METER FLUCTUATIONS. FOUND (4 EA) BLADES SHINGLED NR 38, NR 1, NR 2 AND NR 3. UNSHINGLED BLADES PER MM.