75-17-08 PILATUS AIRCRAFT LTD: Amendment 39-2310. Applies to B4-PC11 gliders, certificated in all categories, equipped with canopy limiting lock link.
Compliance is required as indicated, unless already accomplished.
To ensure canopy emergency jettisoning capability, accomplish the following:
(a) Within the next 10 hours' time in service after the effective date of this AD, disconnect the limiting cable.
(b) Within the next 50 hours' time in service after the effective date of this AD, alter the canopy limiting cable attachment in accordance with the accomplishment instructions of Pilatus Service Bulletin No. 1001, dated April 1974, or an FAA-approved equivalent.
This amendment becomes effective August 18, 1975.