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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved

A34-45-00-019.fm
SOUTHWEST AIRLINES.

737-700 MAINTENANCE TRAINING MANUAL TCAS - SELF-TEST INDICATIONS ON DISPLAYS TCAS Self-Test Indications - ADI
If the test passes, the ADIs shows the red RA up and down advisory cues.
If the test fails, the ADIs does not show any RA advisories.
January 2005
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL

MODE SELECTOR 
TRAFFIC SWITCH  PROHIBITED VERTICAL 
SPEED (RED) 
RADIO MINS BARO  FPV  MTRS  BARO HPA IN 
RST  STD  RANGE SELECTOR  112DME 
VOR CTR MAP PLN APP ADF 1 OFF VOR 1  TFC INOP OFF VOR 2 640 3205 10 160 8020 40  TAS--- HDG 148 M  GS 0  FLY-TO VERTICAL SPEED (GREEN)  .5  1  2  4 
WXR  STA  WPT  ARPT  DATA  POS  TERR  6 
EFIS CONTROL PANEL  TEST MESSAGES TCAS TEST FAIL TCAS TEST OR CYAN AMBER  5  TRAFFIC  TRAFFIC (RED)  VSI DISPLAY .5 21 4 
CYAN  +10  +02  TCAS RA - DOWN 
ADVISORY 
FUNCTIOIN SELECTOR 
ALT OFF ALT ON STBY TA  ATC1  ATC  3 5  15 10  -02  -10 
TEST  TA/RA  FAIL  FL  TCAS RA - UP 
1  ATC  TCAS RANGE ABOVE  FROM  ADVISORY  ADI DISPLAY 
ATC  NORM  VOR 1  115.95 
2  IDENT  BELOW 
ATC/TCAS PANEL  NAVIGATION DISPLAY 

A34-45-00-019.fm
TCAS - SELF-TEST INDICATIONS ON DISPLAYS

January 2005
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL

TCAS - SELF-TEST INDICATIONS ON TCAS COMPUTER FRONT PANEL

A34-45-00-020.fm
Front Panel Self-Test
Push and hold the test switch on the front panel to start a self-test. During the test, the LED segments on the front panel turn on in this sequence:
-All LED display segments come on for three seconds
-All LED segments go off for three seconds
-Applicable LED code shows the status of TCAS.

If the test passes, OK will show on the LEDs. If there is a failure, the fault code shows. The fault codes show in order for multiple failures. The display blanks for one second between faults.
These are the TCAS fault codes:
-OK - no failure
-TP -TCAS computer failed
-T1 - top antenna element 1 failed
-T2 - top antenna element 2 failed
-T3 - top antenna element 3 failed
-T4 - top antenna element 4 failed
-B1 - bottom antenna element 1 failed
-B2 - bottom antenna element 2 failed
-B3 - bottom antenna element 3 failed
-B4 - bottom antenna element 4 failed
-X1 - ATC transponder 1 failed
-X2 - ATC transponder 2 failed
-RA - radio altimeters 1 and 2 failed
-PT - pitch data from ADIRU failed
-RL -roll data from ADIRU failed
-HD - heading data from ADIRU failed

-RD -AIs and VSIs failed
-PP - program pins changed from initial configuration
-SP - suppression bus failed
-AG -air/ground input failed or the airplane shows it is on the ground while the radio altimeters show above 1000 feet.
January 2005
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL

OK NO FAILURE  OK NO FAILURE  OK NO FAILURE 
TP TCAS PROCESSOR  TP TCAS PROCESSOR  TP TCAS PROCESSOR 
LED SEGMENTS  B# BOTTOM ANTENNA ELEMENT # RA RADIO ALTIMETER #1 & #2 X# MODE "S" TRANSPONDER # T# TOP ANTENNA ELEMENT #  B# BOTTOM ANTENNA ELEMENT # RA RADIO ALTIMETER #1 & #2 X# MODE "S" TRANSPONDER # T# TOP ANTENNA ELEMENT #  CODES  B# BOTTOM ANTENNA ELEMENT # RA RADIO ALTIMETER #1 & #2 X# MODE "S" TRANSPONDER # T# TOP ANTENNA ELEMENT # 
　
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