AD 2020-16-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Continental Motors | Various | Airworthiness Directives; Continental Aerospace Technologies, Inc. (Type Certificate Previously Held by Continental Motors, Inc.) Reciprocating Engines |
| aircraft | Aviat | Various | Airworthiness Directives; Continental Aerospace Technologies, Inc. (Type Certificate Previously Held by Continental Motors, Inc.) Reciprocating Engines |
| engine | Continental | Aerospace Technologies | Airworthiness Directives; Continental Aerospace Technologies, Inc. (Type Certificate Previously Held by Continental Motors, Inc.) Reciprocating Engines |
Unsafe Condition
reports of in-flight engine failures due to fractured cross-flow cylinder assemblies
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
visual inspection of the cross-flow cylinder assembly and, depending on the results of the inspection, modification or replacement of the cross-flow cylinder assembly
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 engine operating hours after the effective date of the AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
all Continental Aerospace Technologies, Inc. model GTSIO-520-C, GTSIO-520-D, GTSIO-520-H, GTSIO-520-K, GTSIO-520-L, GTSIO-520-M, GTSIO-520-N, IO-550-G, IO-550-N, IO-550-P, IO-550-R, IOF-550-N, IOF-550-P, IOF-550-R, TSIO-520-BE, TSIO-550-A, TSIO-550-B, TSIO-550-C, TSIO-550-E, TSIO-550-G, TSIO-550-K, TSIO-550-N, TSIOF-550-D, TSIOF-550-J, TSIOF-550-K, and TSIOF-550-P reciprocating AvGas engines with a certain cross-flow cylinder assembly installed
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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