EASA AD US-2020-11-12
Nacelles / Pylons - Thumbnail Fairing and Mid Strut Fairing Panels - Inspection / Replacement / Modification
Federal Aviation Administration Airworthiness Directive 2020-11-12 is a final rule addressing certain Boeing 737-8 and 737-9 airplanes. It focuses on inspection, replacement, and modification of the thumbnail fairing and mid strut fairing panels on the engine nacelle and strut to ensure proper electrical bonding and shielding against high intensity radiated fields (HIRF). This directive aims to prevent potential dual-engine power loss and misleading propulsion parameter displays.