AD Amdt-39-10306

final rule
Data completeness: 70%

Airworthiness Directives; Cessna Aircraft Company Model 172R Airplanes

AD Number
Amdt-39-10306
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-CE-06-AD
FR Citation
63 FR 5879

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Cessna Aircraft Company Model 172R airplanes

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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