IF THE ADIRU INHIBITS THE GROUND TEST, TEST INOP REPLACES TEST START. TEST START OR TEST STOP SHOW ON BOTH GROUND TEST PAGES.
ADIRS BITE PAGES - ADR GROUND TEST
A34-21-00-057.fm
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737-700 MAINTENANCE TRAINING MANUAL
ADIRS BITE PAGES - ADR GROUND TEST RESULTS 1
General
Push LSK 5L to start the ADR ground test. Test values show in the flight compartment. 0-2 Seconds When the test starts, you hear the overspeed warning for 2 seconds. 2-7 Seconds Between 2 and 7 seconds, all ADR data fails. Components and displays
that use ADR data show failure flags and failure conditions.
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SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
A34-21-00-058.fm
REMOVE TAS
ADIRS-ADR LRBITE
+
GT1/2
ROUNDTES
FAIL
02EC-SE
SCOVERSPEED WARN
2SEC-7SEC FAIL ALL DATA
ALTIMETER
ARFTE ECCHECK DAT
7SAON
INSTRUMENTS
29.92 IN.
<TEST START
<INDEX
FAIL MACH
AIRSPEED
INDICATION
PRIMARY EFIS SECONDARY EFIS
REMOVE TAT
1
CLACK
CLACK
CLACK
CLACK
AURAL WARNING
MODULE
1 TAT REMOVED DURING GROUND TEST ONLY WHEN TESTING BOTH THE LEFT AND RIGHT ADR SECTIONS.
ENGINE DISPLAY
0-2 SECONDS 2-7 SECONDS
ADIRS BITE PAGES - ADR GROUND TEST RESULTS 1
January 1, 2004
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SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
ADIRS BITE PAGES - ADR GROUND TEST RESULTS 2
Seven Seconds To End of Test
Seven seconds after the ADR ground test starts, the ADIRU sends test values on its data buses. The test values show on page 2 of the ADR GROUND TEST. Not all test values on page 2 show in the flight compartment. These are the values that you can see:
-ALT; 10000 FT (baro correction must be set to 29.92 IN.)
-Airspeed; 137 KT
-TAT; 35C
-TAS; 170 KT.
NOTE: MACH and SAT is not displayed.
Look at flight compartment displays to verify test values.
January 1, 2004
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SOUTHWEST AIRLINES.
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