FAA Advisory Circular 43.13-1B

Acceptable Methods, Techniques, and Practices

Aircraft Inspection and Repair

AC 43.13-1B | 8. Engines, Fuel, Exhaust, and Propellers | 3. Exhaust Systems | 8-48. Internal Muffler Failures

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9/8/98
AC 43.13-1B
FIGURE 8-17. Section of a muffler showing typical
internal baffle failure.
FIGURE 8-15. Typical muffler wall fatigue failure. (A.
Complete muffler assembly with heat shroud partially
removed; B. Detailed view of failure.)
FIGURE 8-16. Typical fatigue failure of muffler end
plate at stack inlet.
FIGURE 8-18. Loose pieces of a failed internal baffle.
Par 8-48
Page 8-25
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