Airworthiness Directive · Amendment 39-9117 · Boeing Model 737-200 and -300 Series Airplanes Equipped With Cargo Doors Installed in Accordance With Supplemental Type Certificate (STC) SA2969SO
Boeing Model 737-200 and -300 Series Airplanes Equipped With Cargo Doors Installed in Accordance With Supplemental Type Certificate (STC) SA2969SO
Model 737-200 and -300 series airplanes equipped with main deck cargo doors installed in accordance with supplemental type certificate (STC) SA2969SO, certificated in any category.
This amendment adopts a new airworthiness directive (AD) that is applicable to certain Boeing Model 737-200 and -300 series airplanes. This action requires inspections to detect cracking in the radii on the support angles on the lower jamb (latch lug fittings) of the main deck cargo door, and replacement of cracked parts. This amendment is prompted by reports of premature fatigue cracking on the support angles on the lower jamb of the main deck cargo door. The actions specified in this AD are intended to prevent in-flight separation of the main deck cargo door from the airplane due to fatigue cracking on the support angles on the lower door jamb.