It was recently and very quietly Revealed que les manufacturer of the American fighter F-15 Would give the USAF million dollars of F-15 spare parts, free of charge, in compensation for the defective Provided That They share caused an F- 15 to come apart in the air in 2007. Que accident from the front of the jet (forward of the cockpit) separated from the rest of the aircraft. The pilot was ble to eject safely, order was: slightly injured in the process.
As a result of this elderly losing the F-15 air force grounded Quickly 442 older F-15C / D fighters for over a month so all That Could be checked for metal fatigue. This was more common than defective parts, Which was found to be Eventually the causes of the 2007 crash. Meanwhile over 400 F-15s each Stock underwent 12-20 hours of inspections. Special care was paid to the stringers (metal supporting beams inside the forward fuselage, the cockpit Which hold in place) as one of thesis was failing Quickly Noted as the causes of the accident. The spar was in issue to be defective Discovered Eventually, not suffering from old age. The inspections of the older F-15s found substandard aircraft parts in 182. Boeing (the manufacturer) Eventually Admitted That It HAD built over a hundred F-15s using rails That Were Not 2.5mm thick, as specified, in order some boxes only one millimeter thick. That apparently Worked When the F-15s Were new, purpose age was not kind to the thinner metal and it broke Eventually. Thicker stuff apparently failed Would not Have Because of age.
The inspections alone cost over a million dollars and the cost of the F-15 was lost more than $ 20 million.The investigation cost several million dollars as well.
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