Airworthiness Directive · Amendment 39-10486 · Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 Series Airplanes
Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 Series Airplanes
Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 series airplanes, serial numbers 10102 through 10375 inclusive, that are operated or have been operated at a maximum cabin pressure differential of 5.5 pounds per square inch (psi); certificated in any category.
This amendment adopts a new airworthiness directive (AD), applicable to certain Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 series airplanes, that requires a modification of the lapjoint below the chine line at certain fuselage stations. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent fatigue cracking in the lapjoint below the chine line at certain fuselage stations, which could result in reduced structural integrity of the fuselage.
