Photo: Seattle Times
Boeing 777X test aircraft fuselage ruptured and split during the structural stress test in early September, Boeing said on Wednesday.
“Boeing has kept the details secret, but photos obtained by the Seattle Times show that the extent of the damage was greater than previously disclosed and earlier reports were wrong about crucial details.”
In September a cargo door blew away when the Boeing carried out an extensive load testing on its new 777x test involved pressurising the aircraft to its maximum limit and flexing the aircraft’s wings beyond expected normal deflection during flight operations.
The company immediately suspended the load test and said “A testing issue occurred during the final minutes of the test, at approximately 99 percent of the final test loads, and involved a depressurization of the aft fuselage,”
Today, Seattle times reported, “The test plane is a complete write-off, its fuselage skin ripped wide open just behind the wing. A passenger door that blew out and fell to the factory floor was a secondary impact of the initial rupture, which was located far below the door…”
The incident happened as the test was nearing its climax. The wings of the aircraft was bend upward more than 28 feet from their resting position, which is way beyond the normal deflection of about 9 feet during the flight., while the fuselage was bent downward at the extreme front and aft ends with millions of pounds of force., “The interior of the plane was pressurized beyond normal levels to about 10 pounds per square inch — not typically a requirement for this test, but something Boeing chose to do.”
As the test about to conclude, the fuselage split and the door blew away and fell on the floor in front of Certifying officers from FAA.
Boeing confirmed the incident on Tuesday and it is believed that the airframe will be written off…