AD 75-11-01

75-11-01 CESSNA: Amendment 39-2204 as amended by Amendment 39-2548. Applies to all Cessna Model 320 Series airplanes.

Compliance: Required as indicated, unless already accomplished.

To detect and correct fuel line chafing or fuel leaks behind the engine firewalls, within 100 hours' time in service after the effective date of this AD, accomplish the following:

A) Visually inspect fuel lines routed in the area behind the engine firewalls and the front wing spars for leaks or chafing in accordance with Cessna Service Letter ME70-39, Revision I, dated April 4, 1975, or subsequent revisions.

B) If as a result of the inspection required by Paragraph A, fuel line leaks or damage is found, prior to further flight, replace the affected line with an airworthy part in accordance with Cessna Service Kit SK402-8C dated February 20, 1975, or subsequent revisions.

C) On Models 320D, 320E and 320F airplanes, in addition to the inspection required in Paragraph A, add additional supporting clamps to the crossover fuel lines in accordance with Cessna Service Kit SK402-8C, dated February 20, 1975, or subsequent revisions.

D) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

Amendment 39-2204 became effective May 20, 1975.

This amendment 39-2548 becomes effective March 22, 1976.