Action
Notice of proposed rulemaking (NPRM).
Summary
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AW189 helicopters. This proposed AD was prompted by fatigue testing and analyses. This proposed AD would require establishing a life limit for a certain part-numbered tail gearbox fitting. The FAA is proposing this AD to address the unsafe condition on these products.