AD 81-14-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maule Aerospace Technology, Inc. | M-4 | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4-180C | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4-210C | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4-220C | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4-220S | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4C | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4S | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-4T | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-5-180C | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-5-210C | Airworthiness Directives; Maule Model M-4, M-4-210C, M-4-220S, M-4-220C, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C and M-5-210TC Series Airplanes |
Unsafe Condition
Failure of the rudder pedal V-bar and associated structure of the rudder bar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the rudder pedal V-bar tube for cracks with at least a 10-power magnifying glass. If no cracks are found, modify the rudder bar assembly per Maule Service Bulletin #2. If a crack is found, install modified rudder bar P/N 4130F-12 or stop drill, weld, and reinforce per the service bulletin and AC 43.13-1A if crack is one inch or less. Record maintenance.
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Compliance Time
within 25 hours time in service after the effective date of this AD
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Affected Aircraft
Maule M-4 and M-5 series airplanes with specific serial ranges: M-4 series includes S/N 4 through 94, 1001 through 1045, 1S through 3S, 1T through 3T, 1C through 11C; M-4-210C S/N 1001C-1117C; M-4-220S S/N 2001S; M-4-220C S/N 2001C-2190C; M-4-180C S/N 3001C-3006C; M-5 series includes M-5-220C S/N 5001C-5057C; M-5-210C S/N 6001C-6204C; M-5-235C S/N 7001C-7254C; M-5-180C S/N 8001C; M-5-210TC S/N 9001C.
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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