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AD/B747/249 Appendix A - Engine Thrust Control Cables
INSPECTION PROCEDUREINSPECTION PROCEDURE
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INSPECTION PROCEDURE
Detailed Visual Inspection to Detect Wear
(a) Perform a detailed visual inspection of the engine thrust control cables in the area of the plate to detect wear.
(b) Replace the cable assembly if any of the following criteria are met:
(i) One cable strand had worn wires where one wire cross section is decreased by more than 40 percent (see Figure 1)
(ii) A kink is found
(iii) Corrosion is found.