(d) Return the airplane to the ground mode. To do this, do this task: Return the Airplane to
the Ground Mode, TASK 32-09-00-860-802.
SUBTASK 30-11-00-860-007
(8) Do these steps to make sure that the engine and wing anti-ice panel commands the anti-ice
valves closed:
(a) Put the WING ANTI-ICE switch in the OFF position.
(b) Make sure that the VALVE OPEN lights come on brightly for 1 to 3 seconds.
(c) Make sure that the VALVE OPEN lights go off after 3 seconds.
H. Put the airplane back to its usual condition.
SUBTASK 30-11-00-410-001
(1) Close these access panels:
Number Name/Location
521AB Outboard Leading Edge Blowout Door - Slat Station 20.04
621AB Outboard Leading Edge Blowout Door - Slat Station 20.04
SUBTASK 30-11-00-860-008
(2) If electrical power is no longer necessary, do this task: Remove External Power,
TASK 24-22-00-860-814.
SUBTASK 30-11-00-860-015
(3) Remove the safety tags and close these circuit breakers:
CAPT Electrical System Panel, P18-3
Row Col Number Name
ILF 583
C 7 C01678 WEATHER RADAR RT RIGHT
F/O Electrical System Panel, P6-1
Row Col Number Name
ILF ALL
D 13 C00120 WEATHER RADAR RT
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-00
Page 505
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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