AD 87-20-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 185 | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | 185A | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | 185B | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | 185C | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | 185D | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | 185E | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | A185E | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
| aircraft | Cessna Aircraft Company | A185F | Airworthiness Directives; Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F Airplanes |
Unsafe Condition
Power loss or engine stoppage due to water contamination of the fuel system.
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Required Actions
Modify the aircraft fuel system using one of the specified options: install fuel reservoir quick drains per STC SA2272CE or SA2245CE, or use equivalent hardware. Perform a one-time inspection of fuel line Part Number 0500106-329 for affected serial numbers.
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Compliance Time
Within the next 50 hours of operation or before completion of the next annual inspection, whichever comes first, after the effective date of this AD.
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Affected Aircraft
Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E, A185F (Serial Numbers 185-0001 thru 18503153)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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