AD 46-49-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Univair Aircraft Corporation | 415-C | Airworthiness Directives; ERCO Model All 415 Series Airplanes |
| aircraft | Univair Aircraft Corporation | 415-CD | Airworthiness Directives; ERCO Model All 415 Series Airplanes |
| aircraft | Univair Aircraft Corporation | 415-D | Airworthiness Directives; ERCO Model All 415 Series Airplanes |
Unsafe Condition
Failures of the Magnesium Die Cast Nose Wheel (Casting No. 34206) due to increasing number of failures.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the magnesium die cast nose wheel with a permanent mold aluminum alloy nose wheel (casting No. 34204). Ensure the replacement wheel, tire, and tube are statically and dynamically balanced before use. Exercise care in removing the old nose wheel to avoid damaging the axle, oleo, and supporting structure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to February 1, 1947
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Affected Aircraft
ERCO Model All 415 Series Airplanes equipped with Magnesium Die Cast Nose Wheel, Casting No. 34206
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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