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Airworthiness Directive

AD 2026-11-06 91 FR 33584 Active

Federal Aviation Administration · 14 CFR part 39

Requires repetitive inspections for cracking and corrosion of the affected barrel nuts and applicable corrective actions.

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FR document
2026-11217
Amendment
39-23367
Published
2026-06-04
Effective
2026-07-09
Models covered
1

Last live check: 2026-10-04

Printed from https://aircraftdirectives.com/ad/2026-11-06 · 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

2026-11-06

FR doc 2026-11217 · 91 FR 33584

AD 2026-11-06Published 2026-06-04Effective 2026-07-09

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 repetitive inspections for cracking and corrosion of the affected barrel nuts and applicable corrective actions.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for all De Havilland Aircraft of Canada Limited Model DHC-8 airplanes. This AD was prompted by reports of cracked barrel nuts at the wing front spar and horizontal stabilizer to vertical stabilizer joint. This AD requires repetitive inspections for cracking and corrosion of the affected barrel nuts and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for de Havilland DHC-8 Dash 8

  1. AD 2026-08-07 Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type ... Effective 2026-06-03
  2. AD 2025-19-05 Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type ... Effective 2025-10-31
  3. AD 2025-05-06 Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type ... Effective 2025-04-16
  4. AD 2024-22-07 Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type ... Effective 2024-12-31
  5. AD 2024-12-06 Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type ... Effective 2024-08-21

All de Havilland DHC-8 Dash 8 directives

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 1 model in our index