AD 75-22-16

75-22-16 GLASFLUGEL: Amendment 39-2406. Applies to the following gliders, certificated in all categories:

1. Standard Libelle and Standard Libelle 201B; 2. Club Libelle 205, serial numbers 107 and below; and 3. H301 Libelle and H301B Libelle serial numbers 2 and subsequent equipped with an elevator actuator bracket having welded assembly guides.

Compliance is required as indicated.

To detect cracks in the welded seam of the elevator assembly guide on the elevator actuator bracket and distortion of the elevator assembly guide and to prevent possible loss of elevator control, accomplish the following:

(a) Within the next 10 hours' time in service after the effective date of this AD unless already accomplished, visually inspect -

(i) The elevator assembly guide for distortion: and

(ii) The welded seam of the elevator assembly guide, using a 5 power magnifier, for cracks.

(b) If, during the inspection required by paragraph (a) of this AD, a crack or distortion of the elevator assembly guide is found, before further flight, comply with paragraph (d).

(c) If, during the inspection required by paragraph (a) of this AD, a crack or distortion of the elevator assembly guide is not found, within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, comply with paragraph (d).

(d) When compliance is required by paragraph (b) or (c), replace the elevator actuator bracket with a serviceable elevator actuator bracket reinforced with two sheet metal strips in accordance with paragraph 4 of the "Method" section of Glasflugel Technical Note No. 201-20, 205-6, 206-1, 301-30 dated July 11, 1975, or an FAA-approved equivalent.

This amendment becomes effective November 4, 1975.