Airworthiness directives › 2005-08-14
AD 2005-08-14 Airworthiness Directives; LET a.s. Model Blanik L-13 AC Sailplanes
Applicability*9
(c) This AD affects Model Blanik L-13 AC sailplanes, serial numbers 988601, 988603, 008605, 008606, and 028902, that are certificated in any category.
Required actions
(e) To address this problem, you must do the following: Actions Compliance Procedures (1) Replace the original control bridge (Drawing No. A741 210N) with the new strengthened control column mounting bridge (Drawing No. A740 370N) Within the next 25 hours time-in-service (TIS) after June 6, 2005 (the effective date of this AD), unless already done Follow the WORK PROCEDURE paragraph of LET Letecke Zavody Mandatory Bulletin No.: L13AC/014a, dated July 17, 2003. (2) Do not install any original control bridge (Drawing No. A741 210N) As of the effective date of this AD Not Applicable.
Unsafe condition
(d) This AD is the result of a report of one case of cracks in the attachment of control levers on the control bridge. The actions specified in this AD are intended to correct cracks in the bedding of the front and rear control levers, which could result in failure of the control bridge for the sailplane. This failure could lead to loss of sailplane control.
Affected ADs
(b) None.
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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