80-11-08 BOEING VERTOL (VERTOL): Amendment 39-3778. Applies to Vertol Model 107-II helicopters with pilot or copilot cyclic stick boots, P/Ns 107S2226-9, -13 or -17, certificated in all categories.
To prevent possible restriction of cyclic stick travel accomplish the following within the next 25 hours in service after the effective date of this AD, unless already accomplished.
a. Loosen the velcro tape and camloc fasteners securing the pilot and copilot cyclic stick boots, P/N 107S2226-9, -13 or -17, and remove the boots.
b. Remove the two rivets which attach the forward spring, P/N 107S2226-12, to the forward end of the boot base and discard the forward spring.
c. Install washers and new rivets to plug the resulting two empty holes in the boot base.
d. Reinstall the pilot and copilot stick boots.
e. Upon request with substantiating data submitted through an FAA Maintenance Inspector, the compliance time specified in this AD may be adjusted by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
This amendment is effective May 28, 1980.