AD 2020-14-06 Airworthiness Directives; Diamond Aircraft Industries Airplanes

Makes named: diamond. Models named: DA 40, DA 40 F, DA 40 NG. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Diamond Aircraft Industries Inc. Models DA 40, DA 40 F, and DA 40 NG airplanes (including Model DA 40 NG airplanes that have been converted from the Model DA 40 D), all serial numbers, certificated in any category.

(1) For purposes of this AD, “affected part” means a fuel tank connection hose that meets the criteria in paragraph (f)(1)(i), (ii), or (iii) of this AD. (i) Part number (P/N) D4D-2817-10-70 installed during production on Model DA 40 NG airplanes with a serial number listed in Section I.2. of Diamond Aircraft Industries Mandatory Service Bulletin No. MSB 40NG-064, Revision 2, dated August 29, 2019; or (ii) P/N D4D-2817-10-70 or BENOLPRESS (no part number) purchased between July 13, 2017, and February 26, 2019, as listed in Section I.11 of Diamond Aircraft Industries Mandatory Service Bulletin No. MSB 40-087, Revision 3, dated November 5, 2019; Diamond Aircraft Industries Mandatory Service Bulletin No. MSB 40NG-064, Revision 2, dated August 29, 2019; or Diamond Aircraft Industries Mandatory Service Bulletin No. MSB F4-037, Revision 3, dated November 5, 2019; or (iii) P/N D4D-2817-10-70 installed as a replacement part on or after July 13, 2017, if it is unknown whether the part meets the criteria in paragraph (f)(1)(i) or (ii) of this AD. (2) Unless already done, within 100 hours time-in-service (TIS) after August 4, 2020 or within 2 months after August 4, 2020, whichever occurs first, replace each affected part, inspect the main fuel tank chambers, and remove any detached rubber material in accordance with Sections III.1 and III.2 of the Instructions in Diamond Aircraft Industries Work Instruction WI-MSB 40-087, Revision 0, dated July 1, 2019; Diamond Aircraft Industries Work Instruction WI-MSB F4-037, Revision 0, dated July 1, 2019; or Diamond Aircraft Industries Work Instruction WI-MSB 40NG-064, Revision 0, dated July 1, 2019; as applicable to your model airplane, except you are not required to report information to the manufacturer. (3) As of August 4, 2020, do not install an affected part on any airplane.

(1) The Manager, New York ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send your request to your principal inspector (PI) or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to Joseph Catanzaro, Aerospace Engineer, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone: (516) 287-7366; fax: (516) 794-5531; email: joseph.catanzaro@faa.gov. (2) Before using any approved AMOC, notify your appropriate PI, or lacking a PI, the manager of the local Flight Standards District Office.

This AD was prompted by deterioration of the fuel tank connection hoses, which if not addressed, could result in contamination of the fuel system and restriction of fuel flow. The FAA is issuing this AD to detect and prevent fuel starvation and reduced control of the airplane.

None.