Federal Register/Vol. 84, No. 127/Tuesday, July 2, 2019
31526 Federal Register / Vol. 84, No. 127 / Tuesday, July 2, 2019 / Proposed Rules and Airworthiness Division, but during (d) Subject Transport Standards Branch, FAA; or the this transition period, the Executive Air Transport Association (ATA) of European Aviation Safety Agency (EASA); or Director has delegated the authority to America Code 54, Nacelles/pylons. Saab AB, Saab Aeronautics’ EASA Design issue ADs applicable to transport Organization Approval (DOA). If approved by (e) Reason category airplanes and associated the DOA, the approval must include the DOA-authorized signature. appliances to the Director of the System This AD was prompted by reports of loose Oversight Division. and irregular fasteners at the forward end of (j) Related Information the nacelle upper longeron, where the Regulatory Findings bulkhead frame and struts are attached to the (1) Refer to Mandatory Continuing engine mounting structure (EMS). The FAA Airworthiness Information (MCAI) EASA AD The FAA determined that this is issuing this AD to address loose and 2019–0054, dated March 18, 2019, for related proposed AD would not have federalism irregular fasteners of the EMS which could information. This MCAI may be found in the implications under Executive Order cause development of cracks in the EMS, AD docket on the internet at http:// 13132. This proposed AD would not leading to failure of the affected engine www.regulations.gov by searching for and have a substantial direct effect on the mount-to-airplane structural connection, locating Docket No. FAA–2019–0520. States, on the relationship between the possibly resulting in significant airframe (2) For more information about this AD, vibrations and detrimental effects on the contact Shahram Daneshmandi, Aerospace national Government and the States, or Engineer, International Section, Transport on the distribution of power and surrounding pylon/nacelle structure, and loss of structural integrity.
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