(l)
Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7A10, ADC L PWR
(m)
Make sure bits 12 and 18 are 0.
S 715-037
(7) Do these steps to check the output bus for the Right Stall Warning Master card:
NOTE: After you open circuit breakers or change the switch
____ position, permit 10 to 15 seconds for the bit conditions to change.
(a)
Put E/066/350/01 in the scratchpad.
(b)
Push the LSK adjacent to -/---/---/-- prompt.
(c)
Make sure bits 11 to 22 are 0.
(d)
Open these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7C14, FLT CONT ELEC 1R AC
b) 7C15, FLT CONT ELEC 1R DC
(e)
Make sure bit 21 is 1.
(f)
Close these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7C14, FLT CONT ELEC 1R AC
b) 7C15, FLT CONT ELEC 1R DC
(g)
Open these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7E09, MCP L
b) 7E18, MCP R
(h)
Make sure bit 22 is 1.
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747-400 MAINTENANCE MANUAL
(i)
Close these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7E09, MCP L
b) 7E18, MCP R
(j)
Open this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7A14, ADC R PWR
(k)
Make sure bit 18 is 1.
(l)
Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7A14, ADC R PWR
(m)
Make sure bits 12 and 18 are 0.
S 715-038
(8) Do these steps to check the output bus for Crew Alerting card:
NOTE: After you open circuit breakers or change the switch
____ position, permit 10 to 15 seconds for the bit conditions to change.
(a)
Put C/042/350/00 in the scratchpad.
(b)
Push the LSK adjacent to -/---/---/-- prompt.
(c)
Make sure bits 11 to 22 are 0.
(d)
Open these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7E09, MCP L
b) 7E18, MCP R
(e)
Make sure bit 21 is 1.
(f)
Close these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7E09, MCP L
b) 7E18, MCP R
S 715-039
(9) Do these steps to check the output bus for the Configuration Warning card:
NOTE: After you open circuit breakers or change the switch
____ position, permit 10 to 15 seconds for the bit conditions to change.
(a)
Put E/057/350/00 in the scratchpad.
(b)
Push the LSK adjacent to the -/---/---/-- prompt.
(c)
Make sure bits 11 to 22 are 0.
(d)
Open this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7F09, EIU L
(e)
Make sure bit 21 is 1.
(f)
Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7F09, EIU L
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
31-51-00
ALL ú ú 04 Page 509 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(g)
Open this circuit breaker:
1) P7, Overhead Circuit Breaker Panel a) 7F15, EIU R
(h)
Make sure bit 22 is 1.
(i)
Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel a) 7F15, EIU R
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