AD 75-07-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | F177RG | Airworthiness Directives; CESSNA Models 177, 177RG and F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177 | Airworthiness Directives; CESSNA Models 177, 177RG and F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177A | Airworthiness Directives; CESSNA Models 177, 177RG and F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177B | Airworthiness Directives; CESSNA Models 177, 177RG and F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177RG | Airworthiness Directives; CESSNA Models 177, 177RG and F177RG Airplanes |
Unsafe Condition
Separation of the foam rubber air filter seal
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Required Actions
Remove the air filter seal attached with double-backed adhesive tape and replace with a new P11-0766 air filter seal using EC1300LP adhesive per Cessna Service Letter SE 75-3. For certain serial ranges, also visually inspect the air filter's manufacture date and replace seals manufactured between November 1, 1973, and November 1, 1974.
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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
Cessna Models 177, 177RG, and F177RG with specific serial ranges: Models 177 (Serial Numbers 17702040 through 17702220; 601 and 17700001 through 17702039); 177RG (Serial Numbers 177RG0433 through 177RG0625; R177RG0001 through 177RG0442); F177RG (Serial Numbers F177RG0093 through F177RG0122; F177RG0001 through F177RG0092)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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