AD 2021-22-12

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Honda Aircraft Company LLC Airplanes

AD Number
2021-22-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0884
FR Citation
86 FR 60753

Applicability

TypeManufacturerModelDetails
aircraft Honda Aircraft Company LLC Airworthiness Directives; Honda Aircraft Company LLC Airplanes

Unsafe Condition

The inner diameter of the flap control pushrod assemblies for certain Honda Model HA-420 airplanes are susceptible to corrosion, reducing the capability of the flap control pushrod to withstand normal operating conditions and resulting in its eventual failure.

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

Required Actions

Removing and cleaning the inner diameter of the flap control pushrods and repetitively applying corrosion inhibiting compound (CIC) to this area.

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

Compliance Time

Within 90 days

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

Affected Aircraft

Honda Aircraft Company LLC, Model HA-420 airplanes, all serial numbers.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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