AD 2018-09-08
Effective 06/08/2018 · Published 05/04/2018
Airworthiness Directives; The Boeing Company Airplanes
Summary
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-200, -300, -400, and -500 series airplanes. This AD was prompted by reports of cracks in the frame web common to the stringer ties adjacent to the air-conditioning support brackets. This AD requires an inspection of the frame for any air- conditioning bracket assembly or intercostal, and, depending on the results, repetitive…