POWER PLANT
18-18
For Training Purposes Only
May 03
P I L O T T R A I N I N G G U I D E
the switch/lights remain illuminated, and the IGNITION A/B advisory EICAS
message remains displayed (to advise the crew that continuous ignition is still active
on the unaffected engine).
Ignition System
Figure 18-10
‘B’ Circuit
‘A’ Circuit
SPS
COMPUTER
Both on Cont
P604_18_005
IGNITION
S
T
A
R
T
S
T
A
R
T
S
T
O
P
S
T
O
P
CONT
A
B
ARM
ON
ARM
ON
STOP
STOP
START
L-ENG-R
START
ON
S
T
A
R
T
S
T
A
R
T
S
T
O
P
S
T
O
P
STOP
STOP
START
L-ENG-R
START
