AD 96-12-27: AlliedSignal Inc. (formerly Textron Lycoming) LTS 101 Series Turboshaft and LTP 101…

AlliedSignal Inc. (formerly Textron Lycoming) LTS 101 series turboshaft and LTP 101 series turboprop engines installed on but not limited to Aerospatiale AS 350 and SA366G, Bell 222, and Messerschmitt-Bolkow-Blohm (MBB) BK117 helicopters; and Piaggio P166-DL3 and Airtractor AT302 airplanes. Note: This airworthiness directive (AD) applies to each engine identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For engines that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must use the authority provided in paragraph (b) to request approval from the Federal Aviation Administration (FAA). This approval may address either no action, if the current configuration eliminates the unsafe condition, or different actions necessary to address the unsafe condition described in this AD. Such a request should include an assessment of the effect of the changed configuration on the unsafe condition addressed by this AD. In no case does the presence of any modification, alteration, or repair remove any…