3 ms·
From the post: "The NTSB report recommended that the valve be redesigned, and the Federal Aviation Administration mandated that the changes be implemented by No
by muricula 8y ago
From the post:
"The NTSB report recommended that the valve be redesigned, and the Federal Aviation Administration mandated that the changes be implemented by November 2002. Since then, no 737s have crashed due to rudder hardover or rudder reversal."