AD 82-03-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maule Aerospace Technology, Inc. | M-5-235C | Airworthiness Directives; Maule Model M-5-235C and M-6-235 Series Airplanes |
| aircraft | Maule Aerospace Technology, Inc. | M-6-235 | Airworthiness Directives; Maule Model M-5-235C and M-6-235 Series Airplanes |
Unsafe Condition
Engine stoppage prevention due to potential blockage in the engine alternate air hose.
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Required Actions
Install drain tube using Maule P/N 5393A and two hose clamps P/N 10047A-32 at the lowest point in the engine alternate air hose per Maule Service Bulletin #3 dated November 6, 1981. Make an appropriate maintenance record entry.
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Compliance Time
within the next 25 hours time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
Maule Model M-5-235C (serial numbers 7322C, 7350C, A7354C, A7355C, A7358C, A7360C, A7361C, 7364C, 7365C, A7366C, A7367C) and Model M-6-235 (serial numbers 7356C, 7379C, 7380C, 7382C through 7388C, and 7390C)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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