AD 2017-24-04
Effective 12/12/2017 · Published 11/27/2017
Airworthiness Directives; Fokker Services B.V. Airplanes
Summary
We are adopting a new airworthiness directive (AD) for certain Fokker Services B.V. Model F.27 airplanes. This AD requires contacting the FAA to obtain instructions for addressing the unsafe condition on these products, and doing the actions specified in those instructions. This AD was prompted by reports indicating that certain exit signs have a hydrogen isotope that decays over time, causing the signs to lose thei…