NOTE:____If the CDU display shows DFCS BITE INOP CHECK FCC OR INTERFACE, make a check of the DFCS BITE preconditions for the causes. Push the INIT REF key to get out of the BITE.
(e)
Push the LSK adjacent to <CURRENT STATUS from the DFCS BITE TEST LINE MAINT 1/2 page.
(f)
Do the preparation steps as shown on the CDU display.
(g)
Push the LSK adjacent to <CONTINUE to start the quick test.
(h)
Make sure that the quick test is completed with no failure.
NOTE: If a failure occurs, the test will stop and the TEST
____
FAILED indication will show on the CDU display.
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PAGE NUMBER
TITLE BLOCK
Flight Management Computer System Control Display Unit
Figure 501
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QUICK TEST__________ GROUP NO./LIBRARY TEST NO._________________________
DISCRETE INP 10.70
IRU 10.01
VOR/ILS 10.02
DADC 10.03
ATC 10.04
DME 10.05
ALPHA VANE 10.06
LRRA 10.07
ADI 10.08
MASI 10.09
LNAV 10.11
AFDS FMA 10.13
MCP 10.16
N1 POT 10.17
FMC 10.18
FMA AUTO BITE 10.20
M AUTO BITE 10.21 *[1]
MCP DISPLAY 10.57
*[1] If library test 21 (Miscellaneous Test) fails, put code 100 into the CDU scratchpad then push LSK adjacent to RERUN>. If subtest
21.Q.112 on the FCC-B fails, the LRU fault should be PCWS XDUCER-CAPT instead of PCWS XDUCER-F/O. If subtest 21.Q.115 fails on the FCC-B side, the LRU fault should be PCWS XDUCER-F/O instead of PCWS XDUCER-F/O.
(i) If a failure occurs, do these steps:
1) From the CDU display, make a note of the test name, the channel, and the LRU that caused the failure.
NOTE: Before you replace a defective component, do the
____ BITE on the system (if it is applicable) and on the FMS interface subsystems with the defective component.
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2) If it is necessary to do the quick test again, push the LSK adjacent to RERUN>.
3) To get the test result data, use the CDU keyboard to put the engineering code 100 into the scratchpad. Push the LSK 6R.
4) To get out of the test result data, push the E key on the CDU keyboard. Push the LSK 6R. 5) Push the LSK adjacent to <CONTINUE to continue the quick test.
(j) If no failure occurs, the CDU display shows *QUICK TEST PASSED* and the Additional Tests Selection page.
NOTE: This permits the selection of the Interactive/Surface
____ tests for the five systems shown on the CDU display.
~............................ | DFCS BITE TEST | | SUMMARY -A/-B 10. | | *QUICK TESTS PASSED* | | SELECT ADDITIONAL TESTS | | | | <AUTOPILOT | | | | <FLIGHT DIRECTOR | | | | <MACH TRIM SYSTEM | | | | <SPEED TRIM SYSTEM | | | | <ALTITUDE ALERT EXIT> | 2............................1
F. Autopilot Test (Group 11)
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