pdf Gfa ad 192 Popular
By Tim Shirley Tagged in SZD-48, SZD-48-1 1172 downloads
gfa ad 192.pdf
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FAILURE OF SPLIT PIN IN LOWER RUDDER MOUNT
Reports have been received of the split pin securing the lower rudder hinge of the subject glider type failing in service as a result of shearing. It appears that bouncing the tail end of the fuselage during take-off and landing and ground movements has led to progressive shearing of the split pin under vertical loading. Later models of this glider have a nut securing the lower hinge in place with a split pin, but it is not known what serial number the change was made. If the lower hinge is fitted with a split pin to secure the rudder in place, the split pin is to be replaced with a modified hinge pin having a slotted nut and split pin to secure the rudder in place.