Airworthiness Directive · Amendment 39-12091 · Boeing Model 767 Series Airplanes Powered by Pratt & Whitney Engines
Boeing Model 767 Series Airplanes Powered by Pratt & Whitney Engines
Superseded. A later AD replaced this one: AD 2004-16-12. Comply with the one in force.
Model 767 series airplanes powered by Pratt & Whitney engines, line numbers 1 through 663 inclusive, certificated in any category.
This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 767 series airplanes powered by Pratt & Whitney engines, that requires modification of the nacelle strut and wing structure. The actions specified by this AD are intended to prevent fatigue cracking in primary strut structure and consequent reduced structural integrity of the strut.