Fuselage - Upper Fuselage Skin - Inspection / Repair
- Published
- Effective
- Deadline
- Replaces
- 2017-11-09
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Affected operators must perform a one-time fluorescent dye penetrant inspection of the fuselage skin as specified in the updated service bulletin and report inspection results to the FAA. The directive is effective October 2, 2019, and compliance must follow the clarified timelines based on the aircraft's original certification date. Any necessary corrective actions must be completed to address detected corrosion.
Summary
Federal Register Airworthiness Directive 2019-17-01 is a final rule issued by the FAA addressing certain Learjet, Inc. Model 60 airplanes. It mandates inspections and repairs of the upper fuselage skin to detect and correct corrosion that could compromise structural integrity. This directive updates previous requirements by clarifying inspection areas and compliance times.
What changed
This directive supersedes AD 2017-11-09 by correcting an error in the specified inspection area of the fuselage skin and clarifying the compliance time for the fluorescent dye penetrant inspection. It limits the inspection area to the extent specified in Bombardier Learjet 60 Service Bulletin 60-53-19, Revision 3, and defines the compliance date as the earlier of the original airworthiness certificate or export certificate issuance date.
Why it matters
This AD is critical for aviation professionals because it ensures accurate and timely detection of corrosion on the upper fuselage skin of affected Learjet Model 60 airplanes, preventing potential structural failures. Operators, maintenance organizations, and compliance teams must adhere to the clarified inspection requirements to maintain airworthiness and regulatory compliance.
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New ADs and bulletins for Learjet, 60 and Learjet 60, summarized like this page, every Monday.