Airworthiness directives › 2020-16-05
AD 2020-16-05 Airworthiness Directives; Blanik Aircraft CZ s.r.o.
Applicability*9
This AD applies to Blanik Aircraft CZ s.r.o. Model L 23 Super-Blanik gliders, all serial numbers, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For purposes of this AD, an affected part means a part identified in table 1 to paragraph (g)(1) of this AD. The series refers to the second pair of digits in the glider serial number. ER13AU20.001 (2) Before further flight after August 28, 2020 (the effective date of this AD), inspect each affected part in accordance with the Working Procedure, paragraphs A.1(1) through A.1(4) or paragraphs A.2(1) through A.2(4), as applicable for each part, of Blanik Mandatory Bulletin Document No. L23/060a, Revision 2, dated March 17, 2020. (3) If there are no cracks in the inspection area of a part during the inspection required by paragraph (g)(2) of this AD, before further flight, install the rudder in accordance with the Working Procedure, paragraph A.1(8) or A.2(8), as applicable for each part, of Blanik Mandatory Bulletin Document No. L23/060a, Revision 2, dated March 17, 2020. (4) If there are any cracks in the inspection area of a part during the inspection required by paragraph (g)(2) of this AD, before further flight, replace the part in accordance with the Working Procedure, paragraphs A.1, A.2, either A.3.1. or A.3.2 (as applicable), and A.4, of Blanik Information Bulletin Document No. L23/061b, Revision 1, dated March 17, 2020, and install the rudder in accordance with the Working Procedure, paragraph A.1(8) or A.2(8), as applicable for each part, of Blanik Mandatory Bulletin Document No. L23/060a, Revision 2, dated March 17, 2020.
Unsafe condition
This AD was prompted by reports of cracking on the rudder control cable attachment screw. The FAA is issuing this AD to detect and prevent a crack in a rudder control cable attachment screw, which could result in in-flight collapse of the screw. The unsafe condition, if not addressed, could result in rudder control failure and loss of control of the glider.
Affected ADs
None.
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