Boeing Proposes Supersession of Airworthiness Directive for 737-300, -400, and -500 Series Airplanes

Summary

The Boeing Company is proposing to supersede Airworthiness Directive AD 2011-08-51, which applies to certain 737-300, -400, and -500 series airplanes, to address fatigue cracking of the lower fastener holes in the fuselage lap splice and to increase the inspection interval for certain lap splices.