Airworthiness Directive · Amendment 39-16371 · Stabilizers
Aircraft Industries a.s. Model L 23 Super Blanik Gliders
This AD applies to Aircraft Industries a.s. Model L 23 Super Blanik Gliders, all serial numbers, certificated in any category.
We are superseding an existing airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued 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:
Unless already done, do the following actions:
(1) Before further flight as of April 6, 2010 (the effective date of AD 2010-08-01), inspect the elevator inner hinges on the stabilizer following paragraphs A.1., A.2., and A.4. of Aircraft Industries, a.s. Mandatory Bulletin MB No.: L23/052a, dated March 2, 2010.
(2) Repetitively thereafter at intervals not to exceed every 1,000 hours time-in-service, inspect the elevator inner hinges on the stabilizer following paragraphs A.1., A.2., and A.4. of Aircraft Industries, a.s. Mandatory Bulletin MB No.: L23/052a, dated March 2, 2010.
(3) If, as a result of the inspection required by paragraph (f)(1) or (f)(2) of this AD, you find any elevator inner hinge on the elevator is cracked or damaged, before further flight, replace it following paragraphs A.3. and A.4. of Aircraft Industries, a.s. Mandatory Bulletin MB No.: L23/052a, dated March 2, 2010.
Note: This AD differs from the MCAI and/or service information as follows: No differences.
