AD 47-42-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Univair Aircraft Corporation | 415-C | Airworthiness Directives; ERCO Model 415-C, -CD and -D Aircraft |
| aircraft | Univair Aircraft Corporation | 415-CD | Airworthiness Directives; ERCO Model 415-C, -CD and -D Aircraft |
| aircraft | Univair Aircraft Corporation | 415-D | Airworthiness Directives; ERCO Model 415-C, -CD and -D Aircraft |
Unsafe Condition
Control column shaft, P/N 415-52129, may have a defective lower bearing fitting with a brazed steel sleeve on its bearing surface, compromising structural integrity.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the lower control shaft fitting, P/N 415-52126, to check for a brazed steel sleeve on the bearing surface. Replace the shaft if the sleeve is present and return the defective shaft to the manufacturer.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
next 100-hour inspection
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Affected Aircraft
ERCO Model 415-C, -CD, and -D aircraft with serial numbers 1033 to 1327, inclusive.
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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