Six Alaska Airlines Flight 1282 passengers have sued Boeing after a large panel blew off the aircraft Friday over Portland, Oregon, causing the cabin to depressurize. The six passengers and a family member of one of those passengers filed a proposed class-action lawsuit Thursday in King County Superior Court in Seattle, claiming Boeing owes them and the other 165 passengers aboard Flight 1282 compensation for injuries sustained during the incident. Alaska Airlines is not named as a defendant in the lawsuit. One passenger named in the lawsuit said her head jolted back and forth during the incid…