Airworthiness directives › 2024-17-06
AD 2024-17-06 Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
Models named: BAe 146-100A, -200A, -300A, Avro 146-RJ70A, -RJ85A, -RJ100A. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all BAE Systems (Operations) Limited airplanes identified in paragraphs (c)(1) and (2) of this AD, certificated in any category. (1) Model BAe 146-100A, -200A, and -300A airplanes. (2) Model Avro 146-RJ70A, -RJ85A, and -RJ100A airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 4 months after the effective date of this AD, do a visual and a high frequency eddy current inspection for defects of the radius of the rib 0 forward longeron at frame 26, in accordance with the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-249, dated August 25, 2023. If any cracking or defects are found, repair before further flight, in accordance with a method approved by the Manager, International Validation Branch, FAA; or the United Kingdom Civil Aviation Authority (UK CAA); or BAE Systems (Operations) Limited's UK CAA's Design Organization Approval (DOA). If the method is approved by the DOA, the approval must include the DOA-authorized signature.
Unsafe condition
This AD was prompted by a report of cracking on the radius of the rib 0 forward longeron at frame 26. The FAA is issuing this AD to address cracking of the radius of the rib 0 forward longeron at frame 26. The unsafe condition, if not addressed, could result in failure of the rib 0 forward longeron, which could lead to failure of an adjacent structure, leading to failure of the fuselage skin, and could result in rapid decompression and possible loss of the airplane.
Affected ADs
None.
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1