EASA AD US-2018-17-23
Fuselage - Number 3 Windshield Assembly Aft Sill Web - Inspection
Federal Aviation Administration Airworthiness Directive 2018-17-23 is a final rule addressing all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive high frequency eddy current inspections of the number 3 windshield assembly aft sill web to detect cracking and requires applicable on-condition corrective actions. This directive aims to maintain structural integrity and safety of the affected windshield assembly components.