S 715-017
(3) Do these steps to do a check of the MCP controls and displays:
(a)
Make sure the MCP light-plate is on.
(b)
Make sure the MCP digital displays show as follows :
1) IAS/MACH 200
2) HDG 000
3) VERT SPD Blank
4) ALT 10,000
NOTE: The MCP digital display values given are only for
____ when the airplane is initially supplied with power. The display values can be different if airplane power has been on since the last flight.
(c)
Do a check of the IAS/MACH control and display as follows: 1) Turn the IAS/MACH control CW to increase the value that
shows to 399 (maximum value). 2) Turn the control CCW to decrease the value that shows. 3) Turn the control to set the display back to 200.
(d)
Do a check of the HDG SEL control and display as follows: 1) Turn HDG SEL control CW to increase the value that shows. 2) Make sure the MCP HDG display value and the two EHSIs
selected heading indicator locations agree (|1 degree). 3) Turn the HDG SEL control to some other values and monitor the results. 4) Turn the control to set the display back to the initial heading.
(e)
Do a check of the VERT SPD control and display as follows: 1) Turn VERT SPD control UP and DN. 2) Make sure the display does not change.
(f)
Do a check of the ALT control and display as follows: 1) Turn the ALT control CW to increase the value that shows. 2) Turn the control CCW to decrease the value that shows. 3) Turn the control to set the display back to 10,000.
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22-10-00
ALL ú ú 10 Page 508 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 715-018
(4) Do these steps to do a check of the Autoland Status Annunciator (ASA):
(a)
Push and hold the TEST 1 switch on the Captain's ASA .
(b)
GUN 001-050, 052-999; Make sure the ASA shows LAND 3 (green) on the top display and NO LAND 3 (yellow) on the bottom display.
(c)
GUN 051; Make sure the ASA shows AUTOLAND 3 (green) on the top display and the bottom display stays black.
(d)
Release the test switch .
(e)
GUN 001-050, 052-999;
Make sure the displays become black.
(f)
GUN 051;
Make sure the top display becomes black.
(g)
Press and hold the TEST 2 switch.
(h)
GUN 001-050, 052-999; Make sure the ASA shows LAND 2 (green) on the top display and NO AUTOLAND (yellow) on the bottom display.
(i)
GUN 051; Make sure the ASA shows AUTOLAND 2 (white) on the top display and MANUAL LND (yellow) on the bottom display.
(j)
Release the test switch.
(k)
Make sure the displays become black.
(l)
Do the above steps again for the first officer's ASA.
S 715-019
(5) Do these steps to do a check of the Flight Director Annunciations:
(a)
Set the Captain's and First Officer's F/D switch on the MCP to ON.
(b)
Make sure these indications show: 1) The Captain's and First Officer's flight director command cue shows on their EADIs.
2) FD (green letters) shows in the bottom right corner of each EADI.
(c)
Set the Captain's INSTR SOURCE SEL FLT DIR switch to the C position, then the R position, and back to the L position. Give the switch at least 5 seconds at each position. 1) Make sure these indications show at each switch position.
a) The Flight Director command cue stays on the Captain's EADI. b) FD stays in the bottom right corner of each EADI.
(d)
Set the First Officer's INSTR SOURCE SEL FLT DIR switch to the C position, then the L position, and back to the R position. Give the switch at least 5 seconds at each position. 1) Make sure these indications show at each switch position:
a) The Flight Director Command cue stays on the First Officer's EADI. b) FD stays in the bottom right corner of each EADI.
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