AD Amdt-39-10306
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna | Aircraft Company Model 172R | Airworthiness Directives; Cessna Aircraft Company Model 172R Airplanes |
Unsafe Condition
Inadequate or failed weldments in the engine exhaust muffler may leak exhaust gas, including carbon monoxide, into the airplane's cabin and cockpit area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
De-activate the cabin heating system until the engine exhaust muffler is replaced. Fabricate and install a placard with 1/8-inch letters stating ``CABIN HEATER INOPERATIVE'' in the pilot's clear view.
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Compliance Time
Before further flight
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Affected Aircraft
Cessna Aircraft Company Model 172R airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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