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747-400
MAINTENANCE MANUAL
(a) Put C/010/350/00 in the scratchpad.
(b) Push the LSK adjacent to -/---/---/-- prompt.
(c) Make sure bits 11 to 22 are 0.
(d) Set the R IRS switch on the pilots overhead panel, P5, to OFF.
(e) Make sure bit 17 is 1.
(f) Set the R IRS switch on the pilots overhead panel, P5, to ALIGN
or NAV mode.
(g) Open this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7C23, FMCS FMC R
(h) Make sure bit 18 is 1.
(i) Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7C23, FMCS FMC R
(j) Open this circuit breaker:
1) P7, Circuit Breaker Panel
a) 7C21, RADIO ALTM R
(k) Make sure bit 19 is 1.
(l) Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7C21, RADIO ALTM R
(m) Open this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7F26, PSEU SECT 2
(n) Make sure bit 21 is 1.
(o) Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7F26, PSEU SECT 2
(p) Open these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7C16, FLT CONT ELEC 2R AC
b) 7C17, FLT CONT ELEC 2R DC
(q) Make sure bit 22 is 1.
(r) Close these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7C16, FLT CONT ELEC 2R AC
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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747-400 MAINTENANCE MANUAL
b) 7C17, FLT CONT ELEC 2R DC
(s)
Open these circuit breakers:
1) P7, Overhead Circuit Breaker Panel
a) 7A14, ADC R PWR
(t)
Make sure bit 20 is 1.
(u)
Close this circuit breaker:
1) P7, Overhead Circuit Breaker Panel
a) 7A14, ADC R PWR
(v)
Make sure bits 14 and 20 are 0.
S 715-036
(6) Do these steps to check the output bus for the Left 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/104/350/10 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) 7A10, ADC L PWR
(k)
Make sure bit 18 is 1.
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