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Tue, Apr 16, 2013

AD: BRP-Powertrain GmbH & Co KG Rotax Reciprocating Engines

AD NUMBER: 2013-07-12

PRODUCT: Certain BRP-Powertrain GmbH & Co KG Rotax 912 F2; 912 F3; 912 F4; 912 S2; 912 S3; 912 S4; 914 F2; 914 F3; and 914 F4 reciprocating engines.
SUBJECT: Airworthiness Directive 2013-07-12
ACTION: Final Rule

SUMMARY:  This AD requires a one-time visual inspection for excessive oil deposits or carbon deposits on the No. 2 and No. 3 spark plug center and grounding electrodes, and if found, replacement of the cylinder head before further flight.

This AD was prompted by a report of certain No. 2 and No. 3 cylinder heads not manufactured to proper specification. The FAA is issuing this AD to prevent excessive oil consumption, which could result in an in-flight engine shutdown, forced landing, and damage to the airplane.

DATES: This AD becomes effective April 30, 2013.

FMI: AD

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