AD 73-16-02

73-16-02 CESSNA: Amendment 39-1697 as amended by Amendment 39-1807. Applies to:

1) Paragraphs A and C of the AD are applicable to Model 188 series airplanes (Serial Numbers 188-0001 through 18801348), except those that have a centerline pulley installed in lieu of fair-leads per Cessna Service Letters SE72-1 or SE73-33. Service Letter SE72-1 dated January 14, 1972, is applicable to Serial Numbers 188-0001 through 18800707. Service Letter SE73-33, Item #1, dated November 5, 1973, is applicable to Serial Numbers 18800708 through 18801348.

2) Paragraphs B, C and D of the AD are applicable to Model 188 (Serial Numbers 188-0001 through 18800707) Series airplanes.

Compliance: Required as indicated, unless already accomplished.

To insure integrity of the aileron control cables, within the next 25 hours' time in service after the effective date of this AD and thereafter at 100 hour intervals time in service, accomplish Paragraphs A, B, and C and accomplish Paragraph Das indicated:

A) Inspect those portions of the aileron control cables that move in the area of the fair-leads near B.L. 20 (aft of the rear spar) for frayed or broken cable strands.

B) 1. To perform the inspections required by Paragraph B) 2.(a), identify those portions of the aileron control cables that move around the pulleys and:

(a) disconnect either end of each aileron cable to provide sufficient slack to conduct the inspections, or

(b) remove the aileron cables per manufacturer's instructions to conduct the inspections.

2. Inspect those portions of the aileron cables that move around the pulleys as follows:

(a) Rotate the cable so that the cable tends to untwist and simultaneously simulate the curvature of the cable over the pulley and check for fraying and broken outer and inner cable strands.

C) Prior to further flight replace aileron control cables showing fraying or broken strands that are discovered during any inspections required by this AD.

D) Upon accumulation of 500 hours' time in service and at 500 hour intervals thereafter, replace all aileron control cables.

Amendment 39-1697 became effective August 7, 1973.

This Amendment 39-1807 becomes effective April 9, 1974.