AD 2012-04-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rotax | Reciprocating | Airworthiness Directives; BRP-Powertrain GmbH & Co KG Rotax Reciprocating Engines |
Unsafe Condition
During engine production, some engines may not have had the oil pump attachment bolts torqued to specification, which could lead to oil leaks and irregularities in the oil supply.
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Required Actions
Perform a one-time inspection of the oil system for leaks and a torque check of the oil pump attachment bolts. If leaks are detected, perform a one-time inspection of the oil pump and engine valve train.
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Compliance Time
Within four flight hours or 30 days after the effective date of this AD, whichever occurs first.
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Affected Aircraft
BRP-Powertrain GmbH & Co KG Rotax 912 S2 and 912 S3 reciprocating engines, serial numbers 4,924.287 to 4,924.295 inclusive, 4,924.300 to 4,924.304 inclusive, 4,924.342 to 4,924.350 inclusive, 4,924.352, and 4,924.353; Rotax 914 F2 reciprocating engines, serial numbers 4,421.079, 4,421.080, and 4,421.081.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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