WASHINGTON, Aug. 19 -- Federal Aviation Administration has issued a proposed rule called: Airworthiness Directives; ATR-GIE Avions de Transport Regional Airplanes.
The proposed rule was published in the Federal Register on Aug. 19 by Steven W. Thompson, Acting Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service.
Summary: The FAA proposes to adopt a new airworthiness directive (AD) for all ATR-GIE Avions de Transport Regional Model ATR42 and Model ATR72 airplanes. This proposed AD was prompted by a design review that determined that the inspection interval of the pressure regulator and shut-off valve (PRSOV) functional test must be reduced to meet the design safety objectives, due to a risk of dormant failu...