67-06-05 SCHEIBE-FLUGZEUGBAU: Amdt. 39-351 Part 39 Federal Register February 24, 1967. Applies to Model Bergfalke II/55 Gliders, all Serial Numbers, and Model Bergfalke III Gliders, Serial Numbers 5500 through 5586.
Compliance required as indicated.
To detect cracks on the aileron bell crank, Drawing No. 104B.41-S3, located in the outer wing section, accomplish the following:
(a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the last 40 hours' time in service and thereafter at intervals not to exceed 50 hours' time in service from the date of the last inspection, visually inspect the aileron bell cranks, Drawing No. 104B.41-S3, in the left and right outer wing section for cracks using a mirror, and at least a two-powered glass. If cracks are detected during any of these inspections, comply with (b) of this AD.
(b) Replace aileron bell cranks, Drawing No. 104B.41-S3, found cracked during the inspectionprovided for in (a) before further flight with a new reinforced aileron bell crank, Drawing No. 104B.41-S3-E1.
(c) The requirements of this AD are not applicable to those gliders that have been equipped with aileron bell cranks, Drawing No. 104B.41-S3-E1, in the outer wing section.
(Scheibe-Flugzeugbau Technical Information Bulletin I/66 pertains to this subject.)
This directive effective March 1, 1967.