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Boeing inspects undelivered 787s over incorrectly installed fasteners, FAA aware

Aerotime

Two sources who have spoken to Reuters said that more than 900 fasteners per 787, split between the plane’s mid-fuselage, may have been incorrectly torqued or tightened. Boeing has acknowledged the issue, but insists that there was no risk to flight safety and the problem does not affect any aircraft in service.

Torque 274
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Boeing Checking Fasteners On Undelivered 787 Dreamliners

AV Web

The concern is over fasteners that might have been incorrectly torqued, meaning they could be too loose or too tight. We would be a little concerned if we weren’t seeing an increase in numbers.” The fasteners under scrutiny connect the mid-section carbon-composite fuselage barrels to components of the interior that provide strengthening.

Torque 98
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Randy’s Warbird Profiles: Goodyear F2G-1 Super Corsair BuNo. 88454

Vintage Aviation News

The large propeller on Corsairs caused a lot of torque at slow speeds which caused the port wing to drop at stalling speeds and creating a tendency for the aircraft to go into a spin. [Photo by Randy Malmstrom] Note the 6-inch long stall strip located on the leading edge of the starboard wing just outboard of the guns.

Torque 92
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A Crowded House for the Widow of Reading

Photographic Logbook

The chirping we heard was due to excess torque-related motion of the powerplant in the engine compartment. Ray later found that the nuts securing the remaining three mounts were insufficiently torqued by whomever mounted that engine before the Williamson Flying Club bought the airplane in 2021. It was undamaged, it just came apart.

Torque 52
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The Fenestron Factor: Cabri G2 Crash in Gruyéres

Fear of Landing

Reducing the lift and decreasing the torque effect helped to stabilize the helicopter. The pilot lowered the collective lever by 50%, which decreases the pitch angle of the main rotor blades and thus reduces the lift generated by the rotor. They crashed into a field east of the runway, breaking the skids off.

Rudder 98
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Unbolted in Fairfield (Update on the 2022 Bell 407 GXP Crash)

Fear of Landing

Then he followed the installation procedure, including the mast nut torque application. The mast nut torque application is a critical procedure, which ensures that the rotor assembly remains attached to the main rotor mast. He asked a mechanic to come and verify the mast nut torque.

Torque 78
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When Push Comes to Shove

Plane and Pilot

The airplane began to torque to the left, and I was just about to pull the power to idle before the left wing hit the nearby tree when the left float let go, and we jumped forward into deeper water. This time, I pushed the throttle all the way to the stop. The prop threw spray rearward as the airplane vibrated from the blast.