Wings — Discrepant Fasteners at Wing to Fuselage Joint
- Published
- Effective
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected ACLP BD-500-1A10 and BD-500-1A11 aircraft must inspect the fasteners at the specified wing joint within 500 flight cycles from March 10, 2025, or before 10,000 total flight cycles, whichever is later. If non-serviceable fasteners are found or identification is not possible, they must contact ACLP for approved repair instructions and complete the repairs before further flight. All actions must follow the ACLP Service Bulletin BD500-571004 procedures or approved alternatives.
Summary
Canadian Airworthiness Directive CF-2025-09 addresses discrepant fasteners at the wing to fuselage joint on Airbus Canada Limited Partnership (ACLP) aircraft models BD-500-1A10 and BD-500-1A11. The directive identifies incorrect installation of titanium fasteners instead of the specified nickel alloy fasteners at the outer wing box lower skin to centre wing box interface. This AD mandates inspection and corrective actions to ensure structural integrity and safety.
What changed
CF-2025-09 introduces a new requirement to inspect the fasteners at the wing to fuselage joint on specified ACLP BD-500 series aircraft. It requires identification of fastener types within 500 flight cycles or before 10,000 flight cycles, whichever is later, and mandates repair or replacement if incorrect fasteners are found. This is a new regulation addressing a recently discovered assembly issue.
Why it matters
This directive is critical for maintaining the structural strength of the wing to fuselage joint, preventing potential fatigue damage and fuel leaks caused by incorrect fasteners. Operators and maintenance organizations must comply to avoid compromised airworthiness and ensure continued safe operation of affected aircraft. Compliance teams need to track inspection and repair deadlines to meet regulatory requirements.
More for Airbus BD-500 (A220 Series)
All 123- EASA AD CF-2026-49Engine Controls – Throttle Quadrant Assembly – Throttle Lever Jamming - ReplacementOct 12, 2026
- EASA PAD 26-112Fuselage – Mid Avionics Bay – ModificationSep 23, 2026
- EASA AD CF-2026-45Wings – Discrepant Fasteners at Wing to Fuselage Joint - AmendmentSep 11, 2026
- EASA AD CF-2026-40Time Limits/Maintenance Checks – New and Revised Airworthiness Limitations TasksSep 2, 2026
- EASA AD CF-2026-36Fuselage – Skin Assembly – Discrepant Fasteners at Air Data System Probe Doubler - Replacement
Get the next one by email
New ADs and bulletins for Airbus BD-500 (A220 Series), summarized like this page, every Monday.