AD 74-23-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | A188B | Airworthiness Directives; CESSNA Model A188B |
Unsafe Condition
Induction air inlet duct collapse and resulting engine power loss
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Required Actions
Replace the existing induction air inlet duct with Cessna P/N 1650044-1 bellows type induction air inlet duct or equivalent, in accordance with Cessna Service Letter No. SE 74-23, dated October 4, 1974, or later approved revisions. Equivalent 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 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Cessna Model A188B (Serial Numbers 18801375 through 18801824, including those serial numbers with suffix 'T')
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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