Required as indicated, unless accomplished previously:
(1) Within 30 days after the effective date of this AD, inspect the wing spar
upper and lower cap mechanical characteristics in accordance with
instructions of AI MB L13/116a.
(2) If, during the inspection as required by paragraph (1) of this AD, the
measured material characteristic values are outside the permissible limits,
as defined in the instructions of AI MB L13/116a, before next flight, replace
the affected wing with a serviceable part.
(3) If, during the inspection as required by paragraph (1) of this AD, the
measured characteristic values are within the permissible limits, as defined
in instructions of AI MB L13/116a, within 30 days after the inspection,
report the inspection result to AI in accordance with instructions of AI MB
L13/116a.
(4) Any L13 “BLANIK” model sailplane, determined to be a “Reinforced“ type
sailplane, which has been verified to be in conformity with the certificated
type design standard based on inspection results in accordance with AI MB
L13/112a, is not affected by the requirements of paragraph (1) of this AD,
provided it can be demonstrated that no configuration change was
accomplished on that sailplane since that verification.
Note: To meet requirements of this AD instead of English version of AI MB
L13/116a or AI MB L13/112a, as applicable, Czech version of AI Zavazny
Bulletin (ZB) L13/116a or AI ZB L13/112a, as applicable, may be used.
Zie:
http://ad.easa.europa.eu/blob/easa_ad_2 ... 013-0252_1
