EASA AD US-2022-25-15
Wings - Rear Spar Lower Chord - Inspection
The Federal Aviation Administration's Airworthiness Directive 2022-25-15 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates inspections of the wing rear spar lower chord at the main landing gear aft fitting due to detected cracking. It requires repetitive high frequency eddy current and ultrasonic inspections and applicable repairs to ensure structural integrity.