AD 77-08-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 337 | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337A | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337B | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337C | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337D | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337E | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337F | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337G | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | 337H | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
| aircraft | Cessna Aircraft Company | M337B | Airworthiness Directives; CESSNA Models 337 Series, T337 Series and M337 Series Airplanes |
Unsafe Condition
The possibility of single engine takeoffs occurring, which could lead to unsafe flight conditions.
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Required Actions
Install a Cessna P/N 1400019-77 placard right of the tachometer instrument with the specified wording. Operate the aircraft in accordance with the new limitation. Equivalent methods must be approved by the FAA.
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Compliance Time
within the next 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Cessna Models 337 Series (Serial Numbers 337-0002 thru 33701783), T337 Series (Serial Numbers 337-0001, 337-0526 thru 33701398 and P3370001 thru P3370271), and M337 Series (Serial Numbers 337-M0001 thru 337-M0467)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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