FSIM Troubleshooting Chart
Figure 102 (Sheet 5)
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H86031
A 737-300/400/500MAINTENANCE MANUAL
FAULT MESSAGE # OF FAULT PROBABLE CAUSE FSIM CORRECTIVE ACTION
SL 3 UP (LOCK) 224 EXTERNAL SLAT 3 UP (LOCK) SWITCH INPUT FAILURE S968 TO S973, OR S363, DEPENDING FSIM (WDM 27-81-12). REPAIR OR REPLACE IF THE PROBLEM CONTINUES, REPLACE THE SLAT UP (LOCK) SWITCH (AMM 27-81-45/401). EXAMINE THE CIRCUIT FROM THE SWITCH TO THE THE SWITCH NUMBER CAN RANGE FROM UPON AIRPLANE EFFECTIVTY. THE WIRING AS NECESSARY. ____NOTE: 1. 2.
SL 4 UP (LOCK) 225 EXTERNAL SLAT 4 UP (LOCK) SWITCH INPUT FAILURE FSIM (WDM 27-81-12). REPAIR OR REPLACE IF THE PROBLEM CONTINUES, REPLACE THE SLAT UP (LOCK) SWITCH (AMM 27-81-45/401). EXAMINE THE CIRCUIT FROM THE SWITCH TO THE S968 TO S973, OR S363, DEPENDING THE SWITCH NUMBER CAN RANGE FROM UPON AIRPLANE EFFECTIVTY. THE WIRING AS NECESSARY. 1. 2. NOTE:____
SL 5 UP (LOCK) 226 EXTERNAL SLAT 5 UP (LOCK) SWITCH INPUT FAILURE 2. IF THE PROBLEM CONTINUES, REPLACE THE UPON AIRPLANE EFFECTIVITY. S968 TO S973, OR S363, DEPENDING THE SWITCH NUMBER CAN RANGE FROM____NOTE: FSIM (WDM 27-81-12). REPAIR OR REPLACE SLAT UP (LOCK) SWITCH (AMM 27-81-45/401). EXAMINE THE CIRCUIT FROM THE SWITCH TO THE1. THE WIRING AS NECESSARY.
SL 6 UP (LOCK) 227 EXTERNAL SLAT 6 UP (LOCK) SWITCH INPUT FAILURE FSIM (WDM 27-81-12). REPAIR OR REPLACE THE EXAMINE THE CIRCUIT FROM THE SWITCH TO THE THE SWITCH NUMBER CAN RANGE FROM S968 TO S973, OR S363, DEPENDING SLAT UP (LOCK) SWITCH (AMM 27-81-45/401). IF THE PROBLEM CONTINUES, REPLACE THE UPON AIRPLANE EFFECTIVTY. WIRING AS NECESSARY. 1. 2. NOTE:____
TE FLAPS GREATER THAN 0 228 INPUT FAILURE GTO SWITCH EXTERNAL TE FLAPS PIN 37 OF CONNECTOR D4514, TO THE SPLICE EXAMINE THE CIRCUIT FROM PIN 37 OF THE THROUGH THE TERMINAL BLOCK, TO THE SPLICE WHICH MATES WITH THE PIGTAIL OF THE SWITCH WHICH MATES WITH THE PIGTAIL OF THE SWITCH STALL WARN SWITCH, S856. IF THE PROBLEM CONTINUES, REPLACE THE WIRING AS NECESSARY. EXAMINE THE CIRCUIT FROM THE GROUND, 2. CONNECTOR D728B. EXAMINE THE CIRCUIT FROM 1. CONNECTOR D4514J, TO THE FSIM, PIN 50 OF (WDM 27-81-12). REPAIR OR REPLACE THE (WDM 27-31-12).
FSIM Troubleshooting Chart
Figure 102 (Sheet 6)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-88-00
ALL ú ú 01 Page 119 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
H86033
A 737-300/400/500MAINTENANCE MANUAL
FAULT MESSAGE # OF FAULT PROBABLE CAUSE FSIM CORRECTIVE ACTION
TE FLAPS GREATER OR EQUAL TO 10 229 EXTERNAL TE FLAPS INPUT FAILURE EQUAL TO 10 SWITCH GREATER THAN OR OF CONNECTOR D728B. EXAMINE THE CIRCUIT FROM PIN 33 OF CONNECTOR D4514, TO THE EXAMINE THE CIRCUIT FROM PIN 24 AND PIN 33 GROUND, THROUGH THE TERMINAL BLOCK, TO THE SPLICE WHICH MATES WITH THE PIGTAIL OF THE 1. FLAP UP SWITCH, S584. 2. IF THE PROBLEM CONTINUES, REPLACE THE THE WIRING AS NECESSARY. SWITCH. EXAMINE THE CIRCUIT FROM THE SPLICE WHICH MATES TO THE PIGTAIL OF THE OF CONNECTOR D4514J, TO THE FSIM, PIN 54SWITCH (WDM 27-81-12). REPAIR OR REPLACE
AUTOSLAT 230 EXTERNAL AUTOSLAT INPUT FAILURE AT THE E11 PANEL, TO PIN 56 OF CONNECTOR CIRCUIT FROM PIN 54 OF CONNECTOR D2596, (AMM 32-09-10/501). DO THE LG GEAR LOGIC TEST THE LG GEAR LOGIC (AMM 32-09-20/401). IF THE TEST IS NOT SATISFACTORY, REPLACE IF THE PROBLEM CONTINUES, EXAMINE THE REPAIR THE PROBLEMS THAT YOU FIND. 1. 2. 3. D728B, AT THE FSIM (WDM 27-81-12).
STALL WARNING GRD 231 EXTERNAL STALL WARNING GROUND INPUT FAILURE CIRCUIT FROM PIN 57 OF CONNECTOR D728A, DO A CHECK FOR GROUND AT PIN 57 OF THE IF THERE IS NO GROUND AT PIN 57 OF THE CONNECTOR D728A, THEN REPLACE THE CIRCUIT TO THE CIRCUIT BREAKER ON THE P18-2 PANEL IF THE PROBLEM CONTINUES, EXAMINE THE BREAKER, C1208, ON PANEL P18-2. CONNECTOR D728A, AT THE FSIM. 3. 2. 1. YOU FIND. (WDM 27-32-12). REPAIR THE PROBLEMS THAT
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