What was found
YYC - ON CLIMBOUT FROM YYC ENGINE VIBRATION AND CABIN FILLED WITH SMOKE. RETURNED TO FIELD. LANDED WITHOUT INCIDENT. REMOVED AND REPLACED ENGINE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - ON CLIMBOUT FROM YYC ENGINE VIBRATION AND CABIN FILLED WITH SMOKE. RETURNED TO FIELD. LANDED WITHOUT INCIDENT. REMOVED AND REPLACED ENGINE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.