AD 72-07-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Revo, Incorporated | Colonial C-1 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Colonial C-2 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4-200 | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4A | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
| aircraft | Revo, Incorporated | Lake LA-4P | Airworthiness Directives; Consolidated Aeronautics Model Colonial C-1, Colonial C-2, Lake LA-4, LA-4A, LA- 4P and LA-4-200 Airplanes |
Unsafe Condition
Failure of the rod-end bearing, P/N HM-5C, connected to the flap pushrod, P/N 2-7811-21, which could result in hazards in flight due to corrosion, cracks, or binding of the ball motion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 15 hours in service after the effective date, inspect the rod-end bearing P/N HM-5C for corrosion and ball motion using visual and 10-power glass inspection. Replace corroded, cracked, or binding parts before further flight. Lubricate the ball before reinstallation. Discontinue inspections if P/N HM-5G or equivalent is installed.
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Compliance Time
within the next 15 hours in service after the effective date of this AD, unless already accomplished within the last 10 hours in service, and at intervals thereafter not to exceed 25 hours in service from the last inspection
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Affected Aircraft
Consolidated Aeronautics Model Colonial C-1, C-2, and Lake Model LA-4, LA-4A, LA-4P, and LA-4-200 airplanes below serial number 503 with Flap Actuator Pushrod Assembly, Lake Aircraft Corporation P/N 2-7811-7
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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