AD 2016-16-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Continental | Motors | Airworthiness Directives; Continental Motors, Inc. Reciprocating Engines |
Unsafe Condition
Reports of multiple cylinder head-to-barrel separations and cracked and leaking aluminum cylinder heads in certain Continental Motors, Inc., (CMI) San Antonio replacement parts manufacturer approval (PMA) cylinder assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the affected cylinder assemblies, including overhauled cylinder assemblies, according to a phased removal schedule.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within a phased removal schedule (details not specified in the provided text).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Continental Motors, Inc., San Antonio, replacement parts manufacturer approval (PMA) cylinder assemblies marketed by Engine Components International Division (ECi), used on all CMI model -520 and -550 reciprocating engines, and on all other CMI engine models approved for the use of model -520 and -550 cylinder assemblies, such as the CMI model -470 when modified by supplemental type certificate (STC).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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