Airworthiness directives › 2022-21-15
AD 2022-21-15 Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes
Makes named: diamond. Models named: DA 42, DA 42 NG, DA 42 M-NG. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Diamond Aircraft Industries GmbH Model DA 42, DA 42 NG, and DA 42 M-NG airplanes, serial numbers 42.004 through 42.391, 42.394 through 42.396, 42.399 through 42.402, 42.405 through 42.416, 42.427, 42.AC001 through 42.AC135, 42.AC137 through 42.AC145, 42.AC148, 42.AC150 through 42.AC152, 42.MN001 through 42.MN034, 42.MN037 through 42MN042, 42.MN050 through 42.MN055, 42.MN057, 42.MN058, 42.MN100 through 42.MN103, 42.N001 through 42.N067, 42.N100 through 42.N250, 42.N300 through 42.N381, 42.N391, 42.NC001 through 42.NC004, and 42.NC006 through 42.NC008, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Within 100 hours time-in-service after the effective date of this AD or 12 months after the effective date of this AD, whichever occurs first, replace rudder T-yoke axle part number (P/N) LN 9037-M6x90 with rudder T-yoke axle P/N D60-5320-00-32 in accordance with the Instructions, section III, in Diamond Aircraft Work Instruction WI-RSB 42-139 and WI-RSB 42NG-081, Revision 1, dated October 24, 2019 (issued as one document) attached to Diamond Aircraft Recommended Service Bulletin DAI RSB 42-139 and DAI RSB 42NG-081, dated October 21, 2019. (2) As of the effective date of this AD, do not install rudder T-yoke axle P/N LN 9037-M6x90 on any airplane.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a loose rudder T-yoke axle nut. The FAA is issuing this AD to prevent movement of the T-yoke axle. The unsafe condition, if not addressed, could result in reduced control of the airplane.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1