AD 2021-16-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
Corrosion on the inlet check valve banjo fitting of emergency flotation system (EFS) float assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect each banjo fitting installed on an affected EFS float assembly, and depending on the results, remove the banjo fitting from service. Apply corrosion inhibiting compound to each banjo fitting installed on an affected EFS float assembly. Prohibit installing an affected EFS float assembly unless the banjo fitting inspection, banjo fitting replacement, and corrosion inhibiting compound application requirements have been accomplished, as specified in an EASA AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Leonardo S.p.a. Model AW189 helicopters with certain part-numbered and serial-numbered Aero Sekur EFS float assemblies installed, except those float assemblies marked with SB-189-25-004.
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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