Incident
at ISLAND LAKE MB (CYIV)
(Aerodrome, runway or taxiway shutdown)
CAV 6790, a HS 748, was en route from Winnipeg to Churchill when the crew requested to divert to Thompson due to a hydraulic problem. They requested emergency vehicles be on standby but did not declare an emergency. AFF was on site and the City Fire Department was on standby. The aircraft landed on Runway 23 at 1409z and needed to be towed off the runway. Runway 05/23 was closed for 10 minutes until 1419z. CAV 7545, a Saab 340, was delayed waiting for Runway 05/23 to open and PAG 965, a Beech 99, was delayed and elected to depart from Runway 32. TSB report to follow.
UPDATE TSB reported that the Calm Air Hawker Siddeley HS 748, registration C-GDOP operating as CAV 6790, was en route from Winnipeg, MB, to Churchill, MB. It was reported that the hydraulic flow lights illuminated and main hydraulic pressure dropped to 1900 psi. CAV 6790 diverted to Thompson, MB, and landed without incident with AFF and City Fire Department on standby. CAV 6790 landed safely and was towed off the runway.
UPDATE Maintenance and Manufacturing reported that an inspection revealed that the hydraulic return line (P/N 316Q2277) between the Cut Out Valve and the Hydraulic Reservoir had failed at the flair for the reservoir connection. The hydraulic line was replaced and the system bled and tested. No other defects were found. This event is the subject of SDR 20061030001.