TEST START OR TEST
STOP WILL SHOW ON
ANY PAGE
ADIRS BITE PAGES - IR GROUND TEST
January 1, 2004
34-21
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
ADIRS BITE PAGES - IR GROUND TEST RESULTS 1
General
Push LSK 5L to start the IR ground test. Test values show in the flight compartment. 0-2 Seconds When the test starts, all the lights on the MSU and ISDU come on for 2
seconds. 2-10 Seconds Between 2 and 10 seconds, all IR data fails. Components and displays
that use IR data show failure flags and failure conditions.
NOTE: On the IR GROUND TEST page on the MCDU the VSI is not listed as a test instrument, however it will test.
January 1, 2004
34-21
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
A34-21-00-055.fm
HEADING FLAG
ADIRS L BITE
IR GROUND TEST 1/ 3
FOR HEADING ATTITUDE FLAG HEADING UP MODES
0SEC -2SEC MSU LIGHTS ON
2SEC -10SEC FA LALL
FLAG
I DATA
AFTER 10SEC CHECK DATA
ON INSTRUMENTS AND ISDU
HDG
<TEST START
HDG
< INDEX
ADI
ALL LIGHT ADI SEGMENTS ON HSI NAV DISPLAY
IRS DISPLAY
DSPL SEL
PPOS
WIND
TK/GS
N
HDG/STS
1
3
BRT
W
2
TEST E
HEADING FLAG
H
4 65
ENT/CLR KEY
S
SYS DSPL
7 9
LIGHTS ON
8
L
R ENT CLR
0
2
1
.5 4
MSU LIGHTS
ON
O
6
V .5
V
OO
4
R
ALIGN
R
ON DC
12
VSI
FAULT
DC FAIL
ADF ADF
ALIGN NAV ALIGN
NAV
OFF
VSI RDMI
ATT OFF ATT
RMI
L IRS R
0-2 SECONDS 2-10 SECONDS
ADIRS BITE PAGES -IR GROUND TEST RESULTS 1
January 1, 2004
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
ADIRS BITE PAGES - IR GROUND TEST RESULTS 2
10 Seconds To End of Test
Ten seconds after the IR ground test starts, the ADIRU sends test values on its data buses. The test values show on the page 2 and 3 of the IR GROUND TEST.
Look at the flight compartment displays to verify test values.
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