Airworthiness Directive · Amendment 39-16878 · BRP-Powertrain GmbH & Co. KG Reciprocating Engines
BRP-Powertrain GmbH & Co. KG Reciprocating Engines
This AD applies to 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, with the following part number (P/N) 888164 crankshafts installed.
| S/Ns 40232 through 40267 inclusive. |
| S/Ns 40293 through 40374 inclusive. |
| S/Ns 40408 through 40433 inclusive. |
| S/Ns 40435 through 40507 inclusive. |
We are adopting a new airworthiness directive (AD) for 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. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Unless already done, do the following actions.
(1) Within 4 flight hours after the effective date of this AD, clean and fluorescent-penetrant-inspect the crankshaft for cracks, in accordance with the Accomplishment Instructions paragraphs 3.1)4., 3.1)6., and Figure 1 of BRP-Powertrain GmbH & Co. KG, Rotax Aircraft Engines, Mandatory Alert Service Bulletins (ASB) Nos. ASB-912-059 and ASB 914-042 (combined in one document), dated November 15, 2011.
(2) If any crack is found, remove the crankshaft from service.
(1) After the effective date of this AD, do not install an engine having an affected P/N 888164 crankshaft installed, listed in Table 1 of this AD, on any airplane, unless the crankshaft has passed the inspection specified in paragraph (e)(1) of this AD.
(2) After the effective date of this AD, do not install an affected P/N 888164 crankshaft listed in Table 1 of this AD, in any engine, unless the crankshaft has passed the inspection specified in paragraph (e)(1) of this AD.
None.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
