Fuselage Structure — Aft Pressure Bulkhead Stiffener Found Cracked
- Published
- Effective
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Bombardier BD-700-1A10 and BD-700-1A11 aircraft must inspect the aft pressure bulkhead stiffener fasteners within 60 months or before reaching specified flight cycle limits (5000 FC for Group A and 7150 FC for Group B). If missing fasteners or damage are found, repairs must be performed before further flight following the applicable service bulletins. Contact Bombardier for approved repair dispositions if discrepancies are discovered.
Summary
EASA Airworthiness Directive CF-2026-02 is issued for Bombardier Inc. BD-700-1A10 and BD-700-1A11 aircraft, specifically serial numbers 9002 through 9198 with some exceptions. It addresses cracks found in the aft pressure bulkhead stiffener, part number GD233-1520, caused by missing attachment fasteners. This directive mandates inspections and repairs to ensure structural integrity of the fuselage.
What changed
This new airworthiness directive introduces mandatory inspections of the aft pressure bulkhead stiffener fasteners on affected Bombardier BD-700-1A10 and BD-700-1A11 aircraft. It requires operators to inspect for missing fasteners and repair any damage found, with specific compliance times based on aircraft group and flight cycles. The directive also specifies applicable service bulletins for carrying out the inspections and repairs.
Why it matters
This directive is critical for maintaining the structural safety of the aircraft by preventing potential failure of a principal fatigue-critical structure. Operators and maintenance organizations must comply to avoid unsafe conditions that could lead to in-flight structural damage. Compliance ensures continued airworthiness and regulatory adherence, reducing risk of costly repairs or grounding.
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