75-17-14 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: Amendment 39- 2316. Applies to "PUMA" Helicopter Models SA-330F and SA-330G, certificated in all categories, incorporating main rotor blades which have leading edge erosion protective strips.
Compliance is required within the next 100 hours time in service after the effective date of this AD, unless already accomplished in accordance with Puma SA-330 Service Bulletin No. 05.39.
To prevent failure of the main rotor blade due to cracks in the region of the leading-edge erosion protection, inspect for cracks, repair as necessary, and return to service, in accordance with paragraph 1C of Puma SA-330 Service Bulletin No. 05.39, dated December 8, 1974, or an equivalent approved by the Chief, Aircraft Certification Staff, FAA Europe, Africa and Middle East Region.
This amendment becomes effective August 18, 1975.