AD 2019-10-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rotax | 912 and 914 model | Airworthiness Directives; BRP-Rotax GmbH & Co KG Engines |
Unsafe Condition
Power loss and engine RPM drop on certain Rotax 912 and 914 model engines due to a quality control deficiency in the manufacturing process of certain valve push-rod assemblies resulting in partial wear on the rocker arm ball socket and possible malfunction of the valve.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
One-time inspection and, depending on the findings, replacement of the affected parts with parts eligible for installation.
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Compliance Time
Before further flight
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Affected Aircraft
Rotax 912 F2, 912 F3, 912 F4, 912 S2, 912 S3, 912 S4, 914 F2, 914 F3, and 914 F4 engines (all S/Ns) on which a valve push-rod assembly has been replaced with one manufactured between June 8, 2016, and October 2, 2017.
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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