AD 74-16-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | F177RG | Airworthiness Directives; CESSNA Models 177, 177RG, F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177 | Airworthiness Directives; CESSNA Models 177, 177RG, F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177A | Airworthiness Directives; CESSNA Models 177, 177RG, F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177B | Airworthiness Directives; CESSNA Models 177, 177RG, F177RG Airplanes |
| aircraft | Cessna Aircraft Company | Textron Aviation Inc. | 177RG | Airworthiness Directives; CESSNA Models 177, 177RG, F177RG Airplanes |
Unsafe Condition
Failure or chafing of the oil pressure gage line located between the firewall and the oil pressure gage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install clamps between the flap control cable and the oil pressure gage line in accordance with Cessna Service Letter SE74-2 dated January 25, 1974, or later approved revisions. Alternate methods of compliance must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
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Compliance Time
Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished.
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Affected Aircraft
Cessna Aircraft Company | Textron Aviation Inc. Models 177 (Serial Numbers 17700001 thru 17702041), 177RG (Serial Numbers 177RG00001 thru 177RG0445), and F177RG (Serial Numbers F177RG0001 thru F177RG0092) airplanes.
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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