EASA AD US-2026-18-07
Fuselage - Fuselage Skin, Bear Strap and Stub Frame at the Forward Galley Door Cutout - Inspection
Summary
The Federal Aviation Administration's Airworthiness Directive 2026-18-07 addresses certain Boeing Model 737-8, 737-9, and 737-8200 airplanes. This final rule mandates inspections and on-condition actions to detect and repair cracks in the fuselage skin, bear strap, and stub frame at the forward galley door cutout. The directive aims to maintain structural integrity and ensure continued airworthiness of affected aircraft.
What Changed
This new airworthiness directive introduces mandatory inspections for existing repairs and cracks in the fuselage skin, bear strap, and stub frame at the forward galley door cutout area. It requires repetitive inspections and applicable repairs or replacements as needed. The directive also corrects a typographical error in the referenced Boeing service bulletin and clarifies compliance with specific drawing revisions.
Why It Matters
This directive is critical for operators and maintenance organizations to prevent structural failures caused by undetected cracks in key fuselage components. Compliance ensures the aircraft's principal structural elements can sustain limit loads, thereby preserving safety and avoiding potential grounding or costly repairs. It also provides clear guidance on inspection intervals and repair procedures to maintain regulatory compliance.
What To Do
Operators of affected Boeing 737-8, 737-9, and 737-8200 airplanes must perform initial inspections and repetitive inspections as specified in Boeing Alert Requirements Bulletin 737-53A1420 RB. Any detected cracks or damage must be repaired or replaced following the directive's instructions. All actions must be completed by the effective date of October 22, 2026, with ongoing repetitive inspections thereafter.
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