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A
737-300/400/500MAINTENANCE MANUAL
 (c)  FAULT HISTORY? 1) FAULT HISTORY shows any faults detected by the SMC during the previous flight leg.
 2)  For the SMC, a flight leg begins when the airplane lifts off. The flight leg ends when the airplane speed becomes less than 60 knots during the landing rollout.
 3)  The SMC does not store in FAULT HISTORY those faults which occur between flight legs.
 (d)  
GROUND TESTS?

 1)  GROUND TESTS allows testing and trouble shooting of system inputs on the ground. System inputs are listed under one of three menu options, DISCRETE INPUTS?, ARINC TESTS?, and SENSOR TESTS?. The input parameters shown on the display are continuously updated.

 (e)  
SYSTEM CONFIG?

 1)  The SYSTEM CONFIG option gives information on the airplane model and airplane configuration for which the SMC is currently programmed.

 (f)  
CLR AND RETEST?

 1)  The CLR and RETEST option allows the operator to clear any two-flight transition faults in the SMC RAM.
 3.  Corrective Action_________________
 A.  After the SMC BITE illustrations in this section is the Stall Management Computer Fault Index. This index is an alphabetical listing of all faults which may be shown under TEST FAIL of the BITE entry test or under FAULT HISTORY. With each fault is a corrective action.
 B.  Before performing the corrective action, make sure that all circuit breakers are closed for the systems which provide input to the stall warning system.
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Stall Warning Components Figure 101
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BUTTON ON SMC
MAINTENANCE

DISPLAY ON SMC MAINTENANCE CONTROL PANEL
TO TEST FAIL FIGURE 103
TO PRESENT FAULTS MENU FIGURE 104
TO SELF TEST MENU FIGURE 105
TO FAULT HISTORY MENU FIGURE 106
TO GROUND TEST MENU FIGURE 107
TO SYSTEM CONFIG MENU FIGURE 108
TO CLR AND RETEST MENU FIGURE 108
____TO EXIT FROM ANY POINT IN
NOTE: SMC BITE, PRESS THE ON/OFF BUTTON.
Stall Management Computer BITE Procedure
Figure 102

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Stall Management Computer BITE Test Fail
Figure 103

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