EASA AD US-2018-09-13
Wings - Main Landing Gear Support Fittings, Rear Spar and Inspar Upper Skin - Inspection
The Federal Aviation Administration's Airworthiness Directive 2018-09-13 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates inspections and corrective actions for cracking found in the wing inspar upper skin, rear spar upper chord, rear spar web, and main landing gear beam forward support fitting. It aims to ensure structural integrity and prevent potential fuel leaks and fire hazards.