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(20) Momentarily press the ATS switch on the ATS control panel. The MSDs shall indicate a
green SPEED message and the green ATS annunciators shall be illuminated.
(21) Place IRU 1 in OFF mode. Observe that 10 seconds after IRU 1 completes shutdown, the
ATS shall disengage, the green ATS control panel annunciators shall extinguish, and the
MSDs shall display a flashing amber FAIL message.
(22) Momentarily press the ATS DISC switch on the left-hand thrust lever. The MSDs message
shall extinguish.
(23) Vent Pitot-Static test set.
(24) Check that the backlighting of the ATS control panel can be adjusted using the Center
Instrument Panel INTEG LIGHTING control.
(25) Remove all test equipment and restore all switches, controls, and circuit breakers to their
normal position.
I.
Engines Running
(1)
Position aircraft at a location where engines can be started and thrust reversers operated.
(2)
Start both engines. Advance thrust levers to 40% N1. Hold the LAMP TEST switch in
position 1 to initiate ATS Self-Test. Release the LAMP TEST switch; then immediately press
and hold the ATS switch on the ATS control panel. The thrust levers will retard to the IDLE
stop and the engines will be at idle thrust.
(3)
Engage reverse thrust on the left engine. With approximately 30% N1, press the L EMER
STOW switch. Verify that the thrust reverser stows. The Thrust Reverser Lever may or may
not return to the stow position. Check that when the Thrust Reverser Lever is placed in the
stow position, it latches in the stowed position and may not be unlocked.
(4)
Return the L EMER STOW switch to the normal position.
(5)
Repeat steps 6.I.(3) and 6.I.(4) for the right engine.
5.
T
C
EST
OMPLETION
A.
Restore all switches, controls, and circuit breakers to their normal position.
B.
Remove all equipment used for these tasks and return aircraft to its initial condition.
EFFECTIVITY: TE-22305001-SMM-2
CL-604 SUPPLEMENTAL MAINTENANCE MANUAL
Prepared by DAS-605786-NM
22-30-00
Page 511
Dec 3/03
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