75-17-26 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: Amendment 39- 2331. Applies to Model SA-341G "Gazelle" helicopters, certificated in all categories, Serial Numbers 1031 and lower, incorporating tail rotor servo jack P/N 67.370.004.00 or P/N 67.370.006.00.
Compliance is required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished in accordance with Gazelle Service Bulletin No. 67.01, dated March 9, 1973.
To prevent over-torquing of engine by application of tail rotor control, replace tail rotor servo jack P/N 67.370.004.00 or P/N 67.370.006.00, with tail rotor servo jack P/N 67.370.008.00.
This amendment becomes effective on August 20, 1975.