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Airworthiness Directive

AD 2021-14-12 86 FR 36491 Active

Federal Aviation Administration · 14 CFR part 39

Requires inspecting the horizontal stabilizers, including the bondlines, for cracks, buckles, corrosion, delamination, rust, and previous repair and repairing or replacing parts and applying corrosion inhibitor as necessary.

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FR document
2021-14687
Amendment
39-21639
Published
2021-07-12
Effective
2021-07-27
Models covered
2

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/2021-14-12 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

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AD

2021-14-12

FR doc 2021-14687 · 86 FR 36491

AD 2021-14-12Published 2021-07-12Effective 2021-07-27

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires inspecting the horizontal stabilizers, including the bondlines, for cracks, buckles, corrosion, delamination, rust, and previous repair and repairing or replacing parts and applying corrosion inhibitor as necessary.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for all True Flight Holdings LLC Models AA-1, AA-1A, AA-1B, AA-1C, and AA-5 airplanes. This AD was prompted by the report of an accident of an airplane exhibiting bondline corrosion and delamination of the horizontal stabilizers. This AD requires inspecting the horizontal stabilizers, including the bondlines, for cracks, buckles, corrosion, delamination, rust, and previous repair and repairing or replacing parts and applying corrosion inhibitor as necessary. The FAA is issuing this AD to address the unsafe condition on these products.

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 2 models in our index