AD 71-24-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 177 | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 206 | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 210D | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 210E | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 210F | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 210G | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 210H | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 336 | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 337 | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
| aircraft | Cessna Aircraft Company | 337A | Airworthiness Directives; CESSNA Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C Airplanes |
Unsafe Condition
Leakage of flammable fluids from flexible hose assemblies in the engine compartment can lead to fire hazards.
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Required Actions
Inspect fuel lines by pressurizing with boost pump in high position and mixture control in idle cutoff, examine for fuel stains or leakage. Visually inspect oil lines for wetness or leakage. Replace hoses if leakage is found. Inspections are no longer required once hoses are replaced with Cessna dated metal tagged or TSO-C53a Type C approved assemblies.
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Compliance Time
within 100 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 100 hours' time in service
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Affected Aircraft
Cessna Models 177, 206, U206, P206, U206A, P206A, TU206A, P206B, TU206B, TP206A, TP206B, U206B, P206C, TP206C, U206C, TU206C, 210D, 210E, T210F, 210F, T210G, 210G, T210H, 210H, 336, 337, 337A, 337B, T337B, 337C, and T337C with specific serial ranges as listed in the AD.
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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