AD 78-26-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 210G | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | 210H | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | 210J | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | 210M | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | 210N | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | P210N | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | T210G | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | T210H | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | T210J | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
| aircraft | Cessna Aircraft Company | T210M | Airworthiness Directives; Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N Airplanes |
Unsafe Condition
Binding of fuel quantity transmitter float arms and improper operation of the fuel quantity indicating system.
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Required Actions
Inspect fuel quantity transmitters by filling and draining fuel tanks to verify gauge indicates empty, replace transmitters showing binding, check for fuel leaks and proper functioning. Review maintenance records for transmitter replacements since June 7, 1978; if replaced, comply with paragraph A. Allow equivalent methods with FAA approval.
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Compliance Time
Before next flight (except that the airplane may be flown to a location where this inspection may be accomplished, provided the pilot visually verifies through the fuel filler neck that adequate fuel is available to complete the flight)
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Affected Aircraft
Cessna Models 210G, H, J, 210M, N, T210G, H, J, T210M, N, and P210N with specific serial ranges: 210G/H/J (21058819-21059199), 210M/N (21062274-21063025), T210G/H/J (T210-0198-T210-0454 and 21058140), T210M/N (21062274-21063025), P210N (P21000001-P21000141)
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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