The graphic shows the different library tests, with their test numbers, in each section.
Groups
When the DFCS runs a test of a system, it groups all the tests from the library that it needs to do the system test. The group has a name and a number. The graphic gives two examples of groups. One is the current status test group (group 10) and the other is the autoflight test group (group 11).
When BITE does a test, it shows data about the test on the MCDU. The group test data will show on the MCDU as **Group name**Group number.library test number. For example, if BITE does the CDS test as part of the autopilot test group, the MCDU will show **AUTOPILOT TEST**11.25.
The tests in the group may be divided into these three categories:
- Autotest
- Interactive
- Surface.
Autotest
Tests in this category do not need any inputs from the BITE operator and do not need hydraulic power. These tests can run very quickly. Interactive Tests in this category need inputs from the BITE operator. They may
need the operator to push a button or move a switch. The instruction
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737-700 MAINTENANCE TRAINING MANUAL
DFCS BITE PAGES - BITE LIBRARY shows on the MCDU. These tests do not need hydraulic power. You can run these tests even if the autotests do not pass.
Surface
Tests in this category need hydraulic power. The tests may also need the operator to do specific tasks.
If the group test consists of tests in all three categories, the autotest occurs first, the interactive test occurs next and then the surface test.
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737-700 MAINTENANCE TRAINING MANUAL
DFCS GROUND MAINTENANCE BITE LIBRARY TESTS
INTERFACE
1. AIR DATA INERTIAL REFERENCE UNIT (ADIRU)
4.
AUTOTHROTTLE (A/T)
5.
DISTANCE MEASURING EQUIPMENT (DME)
7. LOW RANGE RADIO ALTIMETER (LRRA)
10.
FLIGHT CONTROL COMPUTER (FCC)
11.
LATERAL NAVIGATION (LNAV)
15.
CROSS CHANNEL BUS
16.
MODE CONTROL PANEL (MCP) INTERFACE
18. FLIGHT MANAGEMENT COMPUTER (FMC)
21.
ANALOG SENSORS
22.
STALL MANAGEMENT YAW DAMPER COMPUTER (SMYDC)
23.
VHF OMNIDIRECTIONAL RANGE (VOR)
24.
INSTRUMENT LANDING SYSTEM (ILS)
25.
COMMON DISPLAY SYSTEM (CDS)
26.
MICROWAVE LANDING SYSTEM (MLS)
27.
GPS LANDING SYSTEM (GLS)
SURFACE
30.
ELEVATOR
31.
AILERON
32.
SPEED/STABILIZER TRIM
33.
MACH TRIM
34.
FLAPS
35.
DUAL/STAB
MCP
50. MCP PUSHBUTTONS
ANNUNCIATOR
61. ALTITUDE ALERT
62. DISENGAGE WARNING FCC (INTERNAL)
70.
DISCRETE INPUTS
71.
FCC SELFTEST
51.
MCP FLIGHT DIRECTOR (F/D) SWITCH
52.
MCP CHANGEOVER (C/O) SWITCH
53.
MCP BANK ANGLE LIMIT SWITCH
54.
MCP SPEED KNOB
55.
MCP ALTITUDE SELECT
56.
MCP VERTICAL SPEED
57.
MCP DISPLAYS
58.
INTERLOCKS
59.
MCP COURSE/HEADING
CURRENT STATUS - GROUP NUMBER 10 AUTOPILOT TEST - GROUP NUMBER 11
LIBRARY LIBRARY
AUTOTEST TEST NUMBER INTERACTIVE TEST NUMBER SURFACE
DISCRETE INPUTS 70
ADIRU 1
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