(b)
Disconnect the left and right autothrottle microswitch, M1766 (M1767). To disconnect it, do this task: Switch Removal, AMM TASK 76-11-07-020-801-F00.
(c)
Do a wiring check between these pins on connector D189B (D673B) for the Left (Right) weather radar receiver/transmitter, in the forward equipment center, and connector D11128 (left) and D11132 (right) for the autothrottle microswitch assembly at switch pack #1 and #2 (WDM 34-41-11),.
LEFT AUTO D189B (D673B) D11128 (D11128) THROTTLE
pinB9(B9) ---------------pin18(18)
RIGHT AUTO D189B (D673B) D11132 (D11132)
THROTTLE
pinB10(B10) -------------pin18(18)
(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.
EFFECTIVITY SIL ALL 34-43 TASK 817
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details Page 255 Feb 15/2011
3) Re-install the left and right autothrottle microswitch, M1766 (M1767). To connect it, do this task: Switch Installation, AMM TASK 76-11-07-400-801-F00.
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-connect the left and right autothrottle microswitch, M1766 (M1767). To connect it, do this task: Switch Installation, AMM TASK 76-11-07-400-801-F00.
SIL ALL
(3) Replace the autothrottle microswitch, M1766 (M1767). These are the tasks: Switch Removal, AMM TASK 76-11-07-020-801-F00. Switch Installation, AMM TASK 76-11-07-400-801-F00,
(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.
1) If the tilt code does not show then you corrected the fault.
2) If the tilt code shows then continue.
(4) Replace the weather radar receiver/transmitter, M101. These are the 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.
1) If the tilt code does not show then you corrected the fault.
SIL 014, 015, 020
(5) Replace the Left (Right) weather radar receiver/transmitter, M101 (M460). These are the 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.
1) If the tilt code does not show then you corrected the fault.
SIL ALL -------------------------END OF TASK ---------------------------
EFFECTIVITY SIL ALL 34-43 TASK 817
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details Page 256 Feb 15/2011
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