AD 2009-26-08

final rule
Data completeness: 70%

Airworthiness Directives; AeroSpace Technologies of Australia Pty Ltd Models N22B, N22S, and N24A Airplanes

AD Number
2009-26-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2009-0987
FR Citation
74 FR 68508

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; AeroSpace Technologies of Australia Pty Ltd Models N22B, N22S, and N24A Airplanes

Unsafe Condition

The unacceptable flexibility of the outboard flap mechanism allows flutter to occur in extreme circumstances, potentially leading to aileron flutter with flaps at 38 degrees.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Visually inspect the left-hand and right-hand ailerons for damage and repair or replace any damaged aileron before further flight. Adjust the engine power lever actuated landing gear 'up' aural warning microswitches and perform a ground test, making necessary adjustments if deficiencies are detected.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Varies by model: within 50 hours TIS for Models N22B and N24A, or within 10 hours TIS or 30 days for Model N22S, whichever occurs first.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

AeroSpace Technologies of Australia Pty Ltd Models N22B, N22S, and N24A airplanes, all serial numbers, including airplanes with float/amphibian configuration, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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