What was found
(CAN) STRANGE NOISE FROM ENGINE NR 1 AND VIBRATION. FAN LUBRICATION CARRIED OUT AFTER BOROSCOPE INSPECTION. ACFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) STRANGE NOISE FROM ENGINE NR 1 AND VIBRATION. FAN LUBRICATION CARRIED OUT AFTER BOROSCOPE INSPECTION. ACFT RETURNED TO SERVICE.