(d)  If you find a problem with the wiring, then do these steps: 1) Repair the wiring. 2) Re-install the weather radar receiver/transmitter, M101. To install it, do this task:
Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801.
3)  Re-install the right ADIRU, M1752. To install it, do this task: Air Data Inertial Reference Unit Installation, AMM TASK 34-21-01-400-801.
4)  Do this task: Weather Radar (WXR) System -Operational Test, AMM
TASK 34-43-00-710-802-001 or Weather Radar (WXR) System -Operational Test,
AMM TASK 34-43-00-710-803-002.
a) If the weather radar operational test passes, then you corrected the fault.

(e)  If you do not find a problem with the wiring, then continue.
1)  Re-install the weather radar receiver/transmitter, M101. To install it, do this task: Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801.
2)  Re-install the right ADIRU, M1752. To install it, do this task: Air Data Inertial Reference Unit Installation, AMM TASK 34-21-01-400-801.
SIL 014, 015, 020
(5)  Do this check of the wiring between the right ADIRU and the Left (Right) weather radar receiver/ transmitter, applicable to tilt codes ‘‘+1’’ and ‘‘+3’’:
(a)  
Remove the Left (Right) weather radar receiver/transmitter, M101 (M460). To remove it, do this task: Weather Radar Receiver/Transmitter Removal, AMM TASK 34-43-41-000-801.

(b)  
Remove the right ADIRU, M1752. To remove it, do this task: Air Data Inertial Reference Unit Removal, AMM TASK 34-21-01-000-801.

(c)  
Do a wiring check between these pins on connector D189B (D673B) of the Left (Right) weather radar receiver/transmitter, at the forward equipment center, and on connector D3693B of the right ADIRU, at the E5-2 shelf (WDM 34-21-23), (WDM 34-21-24).

EFFECTIVITY SIL ALL  34-43 TASK 806 
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details  Page 227 Feb 15/2011 

D3693B  D189B
pinG7 ------------------pinG12 pinG8 ------------------pinG13
D3693B  D673B
pinC10 -----------------pinJ11 pinC11 -----------------pinJ12
D3693A  D189B
pinA9 ------------------pinJ9 pinB9 ------------------pinJ10
D3693A  D673B
pinA3 ------------------pinK11 pinB3 ------------------pinK12

(d)  
If you find a problem with the wiring, then do these steps: 1) Repair the wiring. ‘ 2) Re-install the Left (Right) weather radar receiver/transmitter, M101 (M460). To install it, do this task: Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801. 3) Re-install the right ADIRU, M1752. To install it, do this task: Air Data Inertial Reference Unit Installation, AMM TASK 34-21-01-400-801.

4)  Do this task: Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-802-001. a) If the weather radar operational test passes, then you corrected the fault.

(e)  
If you do not find a problem with the wiring, then continue.

1)  Re-install the Left (Right) weather radar receiver/transmitter, M101 (M460). To install it, do this task: Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801.
2)  Re-install the right ADIRU, M1752. To install it, do this task: Air Data Inertial Reference Unit Installation, AMM TASK 34-21-01-400-801.
SIL ALL
(6) Replace the weather radar receiver/transmitter. Do the following tasks:
*
Weather Radar Receiver/Transmitter Removal, AMM TASK 34-43-41-000-801

*
Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801

(a)  Do this task: Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-802-001 or Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-803-002.
　
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