FSIM Troubleshooting Chart 
Figure 102 (Sheet 12)
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 27-88-00
 ALL  ú ú 01 Page 125 ú Jul 12/99 
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H87228
A 737-300/400/500MAINTENANCE MANUAL 
FAULT  MESSAGE #  OF FAULT PROBABLE CAUSE  FSIM CORRECTIVE ACTION 
MASTER EXTEND  327  EXTERNAL MASTER OUTPUT FAILURE EXTEND  LOCATED AT STATION 347, BUTTOCK LINE L12 IN THE EE-BAY AREA, TO PIN 4, OF CONNECTOR THE PROBLEMS THAT YOU FIND. D728A, AT THE FSIM (WDM 27-81-12). REPAIR CIRCUIT FROM CONNECTOR D10068, PIN 2, THE MASTER EXTEND LIGHT ON THE P5-12 PANEL. REPLACE THE "STALL WARNING" SWITCH IF THE TEST IS NOT SATISFACTORY, REPLACE IF THE PROBLEM CONTINUES, EXAMINE THE (AMM 27-88-31/401). 1. 2. 3.  
EXTEND MASTER FULL  328  EXTERNAL MASTER FULL EXTEND OUTPUT FAILURE  LOCATED AT STATION 347, BUTTOCK LINE L12 IN THE EE-BAY AREA, TO PIN 4, OF CONNECTOR THE PROBLEMS THAT YOU FIND. D728A, AT THE FSIM (WDM 27-81-12). REPAIR CIRCUIT FROM CONNECTOR D10068, PIN 2, THE MASTER IN TRANSIT LIGHT ON THE P5-12 IF THE PROBLEM CONTINUES, EXAMINE THE DO THE OPERATIONAL TEST "LEADING EDGE AND IF THE TEST IS NOT SATISFACTORY, REPLACE SLAT POSITION INDICATING SYSTEM" (AMM 27-88-00/501). PANEL. 3. 1. 2.  
MASTER IN TRANS  329  EXTERNAL MASTER IN TRANSIT OUTPUT FAILURE  LOCATED AT STATION 347, BUTTOCK LINE L12 IN THE EE-BAY AREA, TO PIN 5, OF CONNECTOR THE PROBLEMS THAT YOU FIND. D728A, AT THE FSIM (WDM 27-81-12). REPAIR CIRCUIT FROM CONNECTOR D10068, PIN 1, DO THE OPERATIONAL TEST "LEADING EDGE AND THE MASTER IN TRANSIT LIGHT ON P5-12. IF THE PROBLEM CONTINUES, EXAMINE THE IF THE TEST IS NOT SATISFACTORY, REPLACE SLAT POSITION INDICATING SYSTEM" (AMM 27-88-00/501). 1. 3. 2.  
STALL WARNING  330  EXTERNAL STALL WARNING OUTPUT FAILURE  "STALL WARNING" SWITCH (AMM 27-88-31/401). (WDM 27-81-12). REPAIR THE PROBLEMS THAT EXAMINE THE CIRCUIT FROM PIN 2, AT THE OF CONNECTOR D728B, AT THE FSIM "STALL WARNING" SWITCH, S856, TO PIN 50, IF THE PROBLEM CONTINUES, REPLACE THE YOU FIND. 1. 2.  
MODE SELECT  104  EXTERNAL MODE SELECT INPUT FAILURE  EXAMINE PIN 51, 53 AND 54, TO MAKE SURE THE CIRCUIT IS OPEN AND NOT CONNECTED. 
FSIM Troubleshooting Chart 
Figure 102 (Sheet 13)
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H86955
A 
737-300/400/500MAINTENANCE MANUAL
 LEADING EDGE FLAP AND SLAT POSITION INDICATING SYSTEM - ADJUSTMENT/TEST
_______________________________________________________________________
 1.  General_______
 A.  This procedure contains an operational test of the leading edge flap and slat position indicating system.
 TASK 27-88-00-715-013
 2.  Operational Test - Leading Edge Flap and Slat Position Indicating System________________________________________________________________________
 A.  General
 (1)  
The trailing edge flap position indication system must be correctly adjusted before you do the operational test. The trailing edge indicators are used to find the flap position.
 B.  
References
 (1)  
24-22-00/201, Manual Control
 
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