EASA AD US-2019-16-12
Sep 5, 2019Wings - Vertical Stiffeners - Installation / Replacement
Airworthiness Directive 2019-16-12 is a final rule issued by the Federal Aviation Administration (FAA) addressing The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates replacement of vertical stiffeners at left and right buttock line 6.15 on the rear spar of the wing center section, along with installation of angle and bonding jumpers, brackets, sealant, and paint. This directive responds to identified cracks in vertical stiffeners and potential ignition sources in the fuel tank due to degraded fault current bonding paths.
- Boeing 737100200200C300400500