FAA Airworthiness Directive 2021-22-21 applies to ASI Aviation Airplanes and took effect on January 3, 2022. Read The Official AD on the Federal Register.

AD Number	2021-22-21
Effective Date	January 3, 2022
Published	November 26, 2021, 86 FR 67307
Amendment	39-21794
Docket	FAA-2021-0714
Product Type	Airplanes
Subject	Electrical Power System

Summary

Why The FAA Issued This AD

This AD was prompted by mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as failure of a circuit breaker (CB) switch. The FAA is issuing this AD to prevent smoke and burning smell in the cockpit caused by failure of CB switches.

What The AD Requires

This AD requires replacing certain CB switches and establishing a life limit for the CB switches.

Applicability

This AD applies to ASI Aviation (type certificate previously held by Reims Aviation S.A.) Model F406 airplanes, all serial numbers, certificated in any category.

Summary for reference only; the official AD governs compliance. Text quoted from FAA AD 2021-22-21 as published in the Federal Register. Read the official AD.

Parts We List Named In This AD (2)

These part numbers appear in the text of AD 2021-22-21. The AD says whether each one is an affected part or an approved replacement; check the AD and your aircraft records before you order.

Request A Quote For A Part Number In This AD

AD 2021-22-21 also names these part numbers. We can source them: pick one and send the request; our sales team replies by email.

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AD 2021-22-21: Electrical Power System, ASI Aviation Airplanes