Airworthiness Directives; Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes

摘要

We propose to adopt a new airworthiness directive (AD) for certain Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. For certain airplanes, this proposed AD would require deactivation or modification of the wiring to the outboard landing lights, until the wire bundles and electrical connectors have been replaced. For all airplanes, this proposed AD would also require an inspection for any broken, damaged, or missing fairleads, grommets, and wires in the four electrical junction boxes of the main wheel well, and corrective actions if necessary. For certain airplanes, this proposed AD would also require replacement of certain wire bundles for the landing lights and fuel shutoff valves, and related investigative, other specified, and corrective actions if necessary. For certain airplanes, this proposed AD would also require replacement of certain electrical connectors and backshell clamps. This proposed AD results from reports of uncommanded engine shutdowns and burned and damaged wire bundles associated with the outboard landing lights and engine fuel shutoff valves. This proposed AD also results from reports of damaged and missing grommets and broken and dama