Stabilizers - Horizontal Stabilizer Pivot Pin Assemblies - Inspection
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Boeing 787-8 airplanes must perform the one-time inspection of the horizontal stabilizer pivot pin assemblies as specified in Boeing Alert Requirements Bulletin B787-81205-SB550009-00 RB, Issue 001, dated April 2, 2019. Any misaligned or incorrectly gapped assemblies must be replaced promptly. The directive is effective September 19, 2019, and comments on the rule must be submitted by October 21, 2019.
Summary
Federal Aviation Administration Airworthiness Directive 2019-16-10 is a final rule addressing certain Boeing Company Model 787-8 airplanes. It mandates a one-time inspection of the horizontal stabilizer pivot pin assemblies to check for misalignment and incorrect gapping, with required corrective actions if issues are found. This directive aims to ensure the integrity of the horizontal stabilizer pivot pin assemblies to maintain safe flight control.
What changed
This new airworthiness directive introduces a mandatory inspection of the horizontal stabilizer pivot pin assemblies on Boeing 787-8 airplanes. It requires operators to perform a detailed inspection for misalignment and incorrect gapping and to replace any incorrectly installed assemblies as necessary. The directive is effective immediately and includes provisions for submitting comments post-implementation.
Why it matters
This directive is critical for aviation professionals because misalignment in the horizontal stabilizer pivot pin assemblies can lead to decreased lateral load capacity and potential loss of the horizontal stabilizer, risking loss of airplane control. Operators and maintenance teams must ensure compliance to prevent unsafe conditions and maintain aircraft airworthiness. Compliance helps avoid costly repairs and enhances overall flight safety.
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