71-10-01 BELLANCA: Amendment 39-1205. Applies to Model 17-30 (Serial Numbers 30002 through 30216) Airplanes.
Compliance: Required as indicated unless already accomplished.
To prevent hazardous fuel leakage in these airplanes, accomplish the following:
Within 50 hours time in service after the effective date of this AD, install an electric fuel pump seal chamber drain in accordance with instructions contained in Bellanca Service Letter No. 64, dated April 6, 1971, or any other method approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective May 8, 1971.