Airworthiness directives › 2013-04-08
AD 2013-04-08 Airworthiness Directives; Diamond Aircraft Industries GmbH Powered Gliders
Makes named: diamond. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the following Diamond Aircraft Industries GmbH models and serial number (S/N) powered gliders, certificated in any category: HK 36 R powered gliders, S/Ns 36.300 through 36.414; HK 36 TS powered gliders, S/Ns 36.415 and 36.416; and HK 36 TTS powered gliders, S/N 36.393.
Compliance
Unless already done, do the following actions specified in paragraphs (f)(1) and (f)(2) of this AD following Diamond Aircraft Industries GmbH Mandatory Service Bulletin MSB 36-108 and Diamond Aircraft Industries GmbH Work Instruction WI-MSB 36-108, both dated February 28, 2012: (1) Within the next 200 hours time-in-service (TIS) after April 9, 2013, (the effective date retained from AD 2013-04-08, Amendment 39-17365 (78 FR 14160, March 5, 2013)) or within the next 12 months after April 9, 2013, (the effective date retained from AD 2013-04-08, Amendment 39-17365 (78 FR 14160, March 5, 2013)), whichever occurs first, replace each elevator bell crank assembly with part number (P/N) 820-2730-12-00, and replace each elevator bell crank mount with P/N 820-2730-11-00. (2) After April 9, 2013, (the effective date retained from AD 2013-04-08, Amendment 39-17365 (78 FR 14160, March 5, 2013)), only install on the powered glider elevator bell crank assemblies with P/N 820-2730-12-00 and elevator bell crank mounts with P/N 820-2730-11-00.
Required actions
(1) 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. (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office.
Unsafe condition
This AD was prompted by reports of installation of an unsuitable self-locking nut on the bell crank of the elevator push rod that can cause failure of the elevator, resulting in loss of control. We are issuing this revised AD because we evaluated all the relevant information and determined it is not necessary or possible for the Diamond Aircraft Industries GmbH Model H-36 to comply with the previous AD. Installation of an unsuitable self-locking nut on the bell crank of the elevator push rod that can cause failure of the elevator, resulting in loss of control.
Affected ADs
This AD revises AD 2013-04-08 (78 FR 14160, March 5, 2013), Amendment 39-17365.
Read the original on the Federal Register →
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