What was found
(AUS) NO1 ENGINE VIBRATION WITH INDICATION OF 1.5. GROUND CHECKS COULDFIND NO PROBLEMS AND AIRCRAFT RETURNED TO SERVICE. SUSPECT ICING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) NO1 ENGINE VIBRATION WITH INDICATION OF 1.5. GROUND CHECKS COULDFIND NO PROBLEMS AND AIRCRAFT RETURNED TO SERVICE. SUSPECT ICING.