75-17-09 FLUG-UND FAHRZEUGWERKE AG: Amendment 39-2311. Applies to HBV "Diamant" and Diamant 16.5 gliders, all serial numbers, certificated in all categories.
Compliance is required within the next 10 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent structural failure of the lower harness attachments D1.201-0710, reinforce the attachments in accordance with the "REQUIRED ACTION" specified in Flug-und Fahrzeugwerke AG Service Bulletin No. 5, dated February 4, 1974, or an FAA-approved equivalent.
This amendment becomes effective August 18, 1975.