AD 2021-22-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Reims Aviation S.A. | F406 | Airworthiness Directives; ASI Aviation (Type Certificate Previously Held by Reims Aviation S.A.) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; ASI Aviation (Type Certificate Previously Held by Reims Aviation S.A.) Airplanes |
Unsafe Condition
failure of a circuit breaker (CB) switch, which could lead to smoke and/or burning smell in the cockpit, possibly resulting in reduced control of the aeroplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting the CB switches to determine the date code, replacing CB switches with certain date codes, and establishing a life limit of 6 years for the new CB switches.
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Compliance Time
Before further flight
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Affected Aircraft
ASI Aviation (type certificate previously held by Reims Aviation S.A.) Model F406 airplanes, all serial numbers, 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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