A technician is inspecting flexible air lines on a truck's brake system and finds a line with a small crack in the outer jacket but no visible damage to the inner tube. What is the correct action?
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A
Mark the location and replace the line at the next scheduled PM
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B
Wrap the crack with electrical tape and re-inspect in 1,000 miles
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C
Replace the hose immediately regardless of inner tube condition
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D
Apply rubber sealant and pressure test to confirm integrity