NOTE:____It takes approximately 10 minutes to align the IRS. You can continue to prepare for the operational test while you align the IRS.
 S 865-010
 (3)  Make sure the STAB TRIM 2 and 3 switches on the pilots' control stand are in the AUTO position.
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 S 865-011
 (4)  Make sure that these amber annunciations do not show on the main EICAS display (P2-2):
 -
STAB TRIM 2

 -
STAB TRIM 3

 -
STAB TRIM UNSCHD

 S 865-169
 (5)  
Push the STAT button on the EICAS display select panel.

 S 865-012

 (6)  
Make sure that these white annunciations do not show on the
 auxiliary EICAS display (P2-2):

 -
STAB AUTO CUTOUT

 -
STAB AUTOTRIM

 F. Existing Faults Check
 S 745-090
 (1)  
Push the line select key (LSK) adjacent to <EXISTING FAULTS from the CMC MENU page on the CDU.

 S 745-091

 (2)  
Make sure that <27 STABILIZER TRIM does not show on the EXISTING FAULTS MENU page on the CDU.

 NOTE: If no failure occurs, <27 STABILIZER TRIM does not show on
____ the EXISTING FAULTS MENU page. If a failure occurs, <27 STABILIZER TRIM shows on the EXISTING FAULTS MENU page.
 S 745-219
 (3)  Find the cause of the failure if <27 STABILIZER TRIM shows on the EXISTING FAULTS MENU page:
 (a)  
Push the LSK adjacent to <27 STABILIZER TRIM to see the EXISTING FAULTS MSG pages for the failure.

 (b)  
Push the NEXT PAGE key until you find all the EXISTING FAULTS MSG pages.

 (c)  
Make a note of all the CMCS messages, message numbers, and ATA numbers shown on the EXISTING FAULTS MSG pages.

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 S 815-220
 (4)  Use the CMCS Message Index of the Fault Isolation Manual (FIM) to do the corrective action for each CMCS message (FIM 22-CMCS Message Index ).
 NOTE: The first two numbers of the CMCS message number identify
____ the FIM chapter that contains the CMCS messages.
 G. Stab Trim Ground Test
 S 865-211
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  
Supply hydraulic pressure to the hydraulic systems N0. 1, 2, 3 and 4 (AMM 29-11-00/201).

 S 865-212

 (2)  
Make sure the FLT CONTROL HYD POWER TAIL 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).

 S 865-221

 (3)  
Make sure the FLT CONTROL HYD POWER WING 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).

 S 745-214

 (4)
Do this task: "Automatic Stabilizer Trim Test" (AMM 22-10-00/501).

 H. Airplane to Its Initial Condition
 S 865-014
 (1)  
Set all the mode selector switches on the IRS control panel (P5) to the OFF position if it is not necessary (AMM 34-21-00/201).

 (2)
Remove hydraulic power if it is not necessary (AMM 29-11-00/201).

 (3)
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-152
 S 865-016
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