1999-02-04: SGK 335, a Cessna 414, was on an IFR flight plan from Thompson to Winnipeg with 4 people on board when the pilot requested a clearance to Norway House. The pilot then elected to cancel IFR and proceed to Norway House on a company itinerary. He subsequently informed Thompson FSS that the oil pressure in the right engine had decreased below normal and he was shutting the engine down. The pilot declared an emergency and FSS alerted the Airport Manager at Norway House. SGK 335 subsequenlty landed without further incident at 1859Z. Maintenance examination revealed a failed cylinder. The company will fly a new engine to the site and replace the engine on C-GLHP
. OPI - System Safety UPDATE Maintenance and Manufacturing reported that the cylinder failed 11 hours after a tear-down inspection. The engine did not require replacement, just the cylinder.