737-300/400/500MAINTENANCE MANUAL
3. _________________________________ NONE INTERACTIVE MACH TRIM TESTS - GROUP NUMBER 13 --GROUP/LIBRARY TEST NUMBER
MACH TRIM SURFACE 13.33
4. __________________________________ SPEED TRIM SPEED TRIM TESTS - GROUP NUMBER 14 INTERACTIVE 14.36 GROUP/LIBRARY TEST NUMBER
STAB TRIM SURFACE 14.32 1
5. ALT ALERT ILS DEV WARN INTERLOCK MCP DISPLAY MCP V/S KNB MCP ALT KNB MCP SPD KNB MCP BNK LMT MCP C/O SW MCP F/D SW MCP PUSHBUTTON ______________________________________ FMA INTERACTIVE ALTITUDE ALERT TESTS - GROUP NUMBER 15 15.60 15.5815.6115.57 15.56 15.55 15.54 15.53 15.52 15.51 15.50 15.13 GROUP/LIBRARY TEST NUMBER
NONE SURFACE --
DFCS BITE - Current Status (Test Group and Library Numbers)
Figure 502 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
IF LIBRARY TEST 32 (STABILIZER TRIM) FAILS, PUT THE CODE 100 INTO THE CDU SCRATCHPAD THEN PUSH LSK ADJACENT TO RERUN>. IF SUBTESTS 32.S.5 THRU
32.S.8 FAIL, GO TO THE ELEVATOR RIGGING TEST 51.01 AND SET THE STABILIZER TRIM AT A = +2.88 |0.07 (IGNORE THE UL AND LL LIMITS SHOWN ON THE SCREEN). DO THE LIBRARY TEST 32 AGAIN BUT DO NOT MOVE THE STABILIZER TRIM.
2
IF LIBRARY TEST 30 (ELEVATOR) FAILS, PUT THE CODE 100 INTO THE CDU SCRATCHPAD THEN PUSH LSK ADJACENT TO RERUN>. IF THE RESULT OF SUBTESTS 30.S.19/20 AND 30.S.21/22 IS GREATER THAN OR EQUAL TO 1.40, THEN IGNORE THE FAILURE OF THESE SUBTESTS. IF THE RESULT OF THESE SUBTESTS IS LESS THAN 1.40, DO THE RIGGING CHECK OF THE PITCH CWS SENSOR.
3IF LIBRARY TEST 35 (DUAL TEST) FAILS, PUT THE CODE 100 INTO THE CDU SCRATCHPAD THEN PUSH LSK ADJACENT TO RERUN>. IF THE RESULT OF THE SUBTESTS 35.S.18 AND
35.S.38 IS 1.0 PLUS OR MINUS 0.25, THEN IGNORE THE FAILURE OF THEST SUBTESTS.
DFCS BITE - Current Status (Test Group and Library Numbers)
Figure 502 (Sheet 3)
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737-300/400/500MAINTENANCE MANUAL
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL
_______ CONTROL SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDER, ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(a)
Do the preparation steps as shown on the CDU display.
(b)
Push the LSK adjacent to the <CONTINUE to start the surface test.
(c)
During this test, follow the instructions and push the LSK adjacent to <CONTINUE as shown on the CDU.
(d)
Make sure that the surface test is completed with no failure (Fig. 502).
NOTE: If a failure occurs, the test will stop and the TEST
____ FAILED indication will show on the CDU display.
(e) 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: The number XX.YY at the far right on the second line
____ is the Group number and Library Test number. The first two digits are the Group number and the last two digits are the Library number.
2) If it is necessary to do the surface 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 the <CONTINUE to continue the surface test.
(f)
If no failure occurs, the CDU display shows *DFCS TEST PASSED*.
(g)
Push the LSK adjacent to <CONTINUE to show *END OF DFCS BITE*.
(h)
Push the LSK adjacent to the <INDEX to return to the CURRENT STATUS Additional Tests Selection page.
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