Airworthiness directives › 2014-04-04
AD 2014-04-04 Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes
Makes named: diamond. Models named: 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 Models DA 42 NG and DA 42 M NG airplanes, all serial numbers certificated in any category, except those that have incorporated Supplemental Type Certificate (STC) SA02725NY ( http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/286A29A0C46D66048625764900624649?OpenDocument&Highlight=sa02725ny ). Note 1 to paragraph (c) of this AD: STC SA02725NY uses different electrical system architecture and the unsafe condition addressed in this AD does not apply to that system.
Compliance
Unless already done, do the following actions as specified in paragraphs (f)(1) through (f)(3) of this AD, including all subparagraphs: (1) For all DA 42 NG airplanes: Within the next 12 months after April 7, 2014 (the effective date of this AD), install Secondary Configuration Card part number (P/N) 010-12074-02 “Additional ALTN FAIL trigger” and System Software P/N 010-00670-10 following the Accomplishment/Instructions in Diamond Aircraft Industries GmbH Mandatory Service Bulletin No. MSB 42NG-003/13, dated October 11, 2013; or the Accomplishment/Instructions in Diamond Aircraft Industries GmbH Mandatory Service Bulletin No. MSB 42NG-003/12, dated July 8, 2013. (2) For DA 42 M-NG airplanes, serial numbers (S/Ns) 42.339, 42.MN001 through 42.MN0026, and all S/Ns modified through Optional Service Bulletin (OSB) 42-081, using Work Instruction (WI) OSB-42-081 up to Revision 1 inclusive: Within the next 100 hours time-in-service after April 7, 2014 (the effective date of this AD) or within the next 12 months after April 7, 2014 (the effective date of this AD), whichever occurs first: (i) Install GEA Alternator fail control cable P/N D62-2510-97-00-SB following the Instructions in Diamond Aircraft Industries GmbH Work Instruction WI-MSB 42MNG-006, dated July 8, 2013, as specified in the Accomplishments/Instructions in Diamond Aircraft Industries GmbH Mandatory Service Bulletin No. MSB 42MNG-006, July 8, 2013; and (ii) Install Secondary Configuration Card P/N 010-12074-02 “Additional ALTN FAIL trigger” and System Software P/N 010-00670-10 following the Accomplishment/Instructions in Diamond Aircraft Industries GmbH Mandatory Service Bulletin No. MSB 42NG-003/13, dated October 11, 2013; or the Accomplishment/Instructions in Diamond Aircraft Industries GmbH Mandatory Service Bulletin No. MSB 42NG-003/12, dated July 8, 2013. (3) For all airplanes: As of April 7, 2014 (the effective date of this AD), do not install on any airplane System Software prior to P/N 010-00670-10.
Required actions
The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Mike Kiesov, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4144; fax: (816) 329-4090; email: mike.kiesov@faa.gov . Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) originated 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 failure of the alternator indication system to indicate warning when one alternator is inoperative. We are issuing this AD to prevent the undetected loss of one engine alternator, which could result in reduced capability of the electrical generating power system.
Affected ADs
None.
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