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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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MAINTENANCE MANUAL
2) Make sure an amber RUDDER RATIO message comes into view on the top EICAS display in less than 30 seconds (after hydraulic power is removed).
(h)
Supply pressure to the left hydraulic system (AMM 29-11-00/201). Measure the time it takes to do these checks: 1) Make sure the RUDDER RATIO light on the P5 panel goes OFF
in less than 2 seconds. 2) Make sure the amber RUDDER RATIO message is removed from the top EICAS display in less than 2 seconds.
(i)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel: 1) 11H20, STAB TRIM CONT RIGHT
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(15) Left RRCM - Test
WARNING: DO THE DEACTIVATION PROCEDURE FOR FLIGHT MODE SIMULATION
_______ BEFORE YOU OPEN THE AIR/GROUND CIRCUIT BREAKERS. WHEN YOU OPEN THE AIR/GROUND CIRCUIT BREAKERS THE AIRPLANE IS IN FLIGHT MODE. IN FLIGHT MODE, MANY OF THE AIRPLANE SYSTEMS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a)
Do the deactivation procedure for flight mode simulation (AMM 32-09-02/201).
(b)
Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag: 1) 11C30, LANDING GEAR POS SYS 1
(c)
Move the test switch on the left RRCM to TEST and do this check: 1) Make sure the amber RUDDER RATIO light on the P5 panel is
OFF.
WARNING: DO THE DEACTIVATION PROCEDURE FOR FLIGHT MODE SIMULATION
_______ BEFORE YOU OPEN THE AIR/GROUND CIRCUIT BREAKERS. WHEN YOU OPEN THE AIR/GROUND CIRCUIT BREAKERS THE AIRPLANE IS IN FLIGHT MODE. IN FLIGHT MODE, MANY OF THE AIRPLANE SYSTEMS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(d) Do the deactivation procedure for flight mode simulation (AMM 32-09-02/201).
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757
MAINTENANCE MANUAL
(e)
Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag: 1) 11S19, AIR/GND SYS 2
(f)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel: 1) 11C30, LANDING GEAR POS SYS 1
(g)
Make sure the amber RUDDER RATIO light on the P5 panel is OFF.
(h)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel: 1) 11S19, AIR/GND SYS 2
(i)
Make sure the amber RUDDER RATIO light on the P5 panel is ON. Stop for 18 seconds and do this check: 1) Make sure all the faultballs on the left and right RRCMs
are black. a) If the faultballs are not black, do the RRCM BITE procedure (FIM 27-09-00/101, Fig. 106B).
(j)
Move the test switch for the left RCCM to NORMAL. Stop for 18 seconds and do these checks: 1) Make sure the two IN TEST lights on the RRCM stay ON for no
more than 18 seconds. 2) Make sure all the RRCM fault balls are black. a) If the faultballs are not black, do the RRCM BITE procedure (FIM 27-09-00/101, Fig. 106B).
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(16)
Right RRCM - Test
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