Airworthiness directives › 2024-06-13
AD 2024-06-13 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 (DAI) Model DA 42, DA 42 NG, and DA 42 M-NG airplanes, all serial numbers, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purposes of this AD, the following definitions apply. (1) Group 1 airplanes: Airplanes with serial numbers specified in Technical Details, section I.2, of Diamond Aircraft Mandatory Service Bulletin DAI MSB 42-143/1 and DAI MSB 42NG-086/1, dated January 25, 2022 (issued as one document), published with DAI Work Instruction WI-MSB 42-143 and WI-MSB 42NG-086, Revision 3, dated November 15, 2022 (issued as one document) attached. (2) Group 2 airplanes: Airplanes with serial numbers specified in Technical Details, section I.2, of Diamond Aircraft Mandatory Service Bulletin DAI MSB 42-146 and DAI MSB 42NG-087, dated November 15, 2022 (issued as one document). (3) Group 3 airplanes: Airplanes that are not in Group 1 or Group 2. (4) Depending on the serial number, a Group 1 airplane can also be a Group 2 airplane.
Unsafe condition
This AD was prompted by reports of a loose rudder T-yoke bolt nut, excessive wear of the hole, and insufficient hole edge margin at the rudder steering bracket. The FAA is issuing this AD to detect and correct vertical movement of the T-yoke bolt (axle). The unsafe condition, if not addressed, could lead to blockage or loss of rudder control and result in reduced control of the airplane.
Affected ADs
This AD replaces AD 2022-21-15, Amendment 39-22214 (87 FR 67541, November 9, 2022).
Read the original on the Federal Register →
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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