AD 68-07-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maule Aerospace Technology, Inc. | M-4 | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4-210 | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4-210C | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4-220C | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4-220S | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4C | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4S | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
| aircraft | Maule Aerospace Technology, Inc. | M-4T | Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft |
Unsafe Condition
Loss of rudder trim tab control and resultant interference with aileron operation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the rudder trim tab hinges in accordance with Maule Aircraft Corporation Service Letter Number 14 dated February 19, 1968, or any other method approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Central Region.
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Compliance Time
Within the next 50 hours' time in service after the effective date of the airworthiness directive
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Affected Aircraft
Maule Models M-4 (Serial Numbers 3 thru 94), M-4C (Serial Numbers 1C thru 10C), M-4S (Serial Numbers 1S thru 3S), M-4T (Serial Numbers 1T thru 3T), M-4-210 (Serial Numbers 1001 thru 1045), M-4-210C (Serial Numbers 1001C thru 1064C), M-4-220S (Serial Numbers 2001S thru 2003S), and M-4-220C (Serial Numbers 2001C thru 2006C).
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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