AD 75-12-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Funk Aircraft Company | McClish, Thomas H. | Funk C | Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft |
| aircraft | Funk Aircraft Company | McClish, Thomas H. | B | Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft |
| aircraft | Funk Aircraft Company | McClish, Thomas H. | B75L (Army UC-92) | Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft |
| aircraft | Funk Aircraft Company | McClish, Thomas H. | B85C | Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft |
Unsafe Condition
Corrosion and cracks in wing forward external support struts at the lower end where the aileron cable enters the strut, and in lower fuselage longerons at the tail post and weldments in the rudder hinge post area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the wing forward external support struts and lower fuselage longerons for corrosion and cracks within the next ten hours' time in service or one month after the effective date. Repeat inspections at intervals not exceeding 100 hours' time in service or 12 months. Replace or repair corroded or cracked parts before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next ten hours' time in service or one month, whichever occurs first, after the effective date of this Airworthiness Directive
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McClish (Funk) Model B, B75L, B85C, and Funk C Aircraft
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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