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Effectivity: ALL 22. 05. 2017
TROUBLE POSSIBLE CAUSE REMEDY Airspeed indicator (cont.) Pointer vibrates. Excessive vibration Tighten mounting bolts. Excessive tube vibration. Tighten clamps and Altimeter Excess scale error. Improper calibration Replace instrument. Excessive pointer Defective instrument. Replace or repair High reading. Static system leak. Inspect static system. Difficult to turn setting Wrong or lack of Replace or repair
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