(f)  
Set the trailing edge flaps to the 25° position.

 (g)  
Make sure the portable tester display is 2027 to 2315.

 S 865-395
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-01-735-396
 25. FMC Bus Signals Test____________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-397
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 845-398

 (2)  
Prepare for the test.

 (a)  
Push the INIT REF key on the FMC CDU.

 (b)  
Make sure the POS INIT page shows.

 (c)  
Push the line select key 6L (<INDEX) on the FMC CDU.

 (d)  
Make sure the INIT/REF INDEX 1/1 page shows.

 (e)  
Push the line select key 3L (<PERF).

 (f)  
Make sure the PERF INIT 1/1 page shows.

 (g)  
Put a gross weight of 102,960 (46,800 kg) in the PERF INIT 1/1 page.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 735-399
 (3)  Do this test of the signals from the FMC.
 (a)  
Set the portable tester to SUPERFRAME 15, SUBFRAME 1, WORD 30.

 NOTE:____This is a SUPERFRAME. The display will show for four seconds and will show again in 64 seconds.

 (b)  
Make sure the portable tester display is 4763 to 5052.

 (c)  
Set the portable tester to SUBFRAME 0, WORD 29.

 (d)  
Push the line select key next to the FIXED OUTPUTS prompt on the FMCS BITE page of the CDU.

 (e)  
Make sure the portable tester display is 0645 to 1133.

 S 865-400
 (4)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-01-735-401
 26. GPWC Digital Bus Signals Test_____________________________
 A. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 B. Procedure
 S 865-402
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 735-407

 (2)  
Do this test of the signals from the GPWC.

 (a)  
Set the portable tester to SUBFRAME 0, WORD 24.

 (b)  
Make sure the BIT 2 light on the portable tester is off.

 (c)  
Push the TEST switch on the ground proximity warning computer.

 (d)  
Make sure the PULL-UP light is on.

 (e)  
Make sure the BIT 2 on the portable tester is on.

 S 865-410
 (3)  If you will do no more tests, then do this task:
 "Put the Airplane to its Usual Condition."

 TASK 31-24-01-735-411
 27. IRU Bus Signals Test____________________
 A. Reference
 (1)  AMM 34-28-01/201 or AMM 34-28-02/201, Inertial Reference System
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. BEJ 113 ú

 31-24-01
 ú ú 16B Page 535 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 B. Access
 (1)  Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right

 C. Procedure
 S 865-412
 (1)
Make sure you did the Prepare For Input Parameter Test task.

 S 865-413

 (2)  
Open this circuit breaker:

 (a)  P18-2 Panel
 1) FMCS CMPTR

 S 735-414
 (3)  Do this test of the signals from the left IRU.
 (a)  
Make sure the EFIS transfer switch is in the NORM position.
　
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