OPERATIONS MANUAL

Fuel System
EICAS Messages:
(continued)
FUEL OVD CTR ()
>FUEL PMP STB L
>FUEL PMP STB R
FUEL PUMP () AFT
FUEL PUMP () FWD
FUEL RES XFR ()
>FUEL TANK/ENG
>FUEL TEMP LOW
>FUEL TEMP SYS
FUEL X FEED ()
PRESS
LIGHT
PRESS
LIGHT
PRESS
LIGHT
PRESS
LIGHT
PRESS
LIGHT
VALVE
LIGHT
ADVISORY MESSAGES
{ center tank pump (L or R) switch on
AND pump low pressure }
OR { switch off
AND tank quantity not at critical limit }
[critical limit is 7700 kg (17000 lb) when on ground,
else 1800 kg (4000 lb) when pitch has been below 5°
for 10 minutes, else fuel ballast value if any entered,
else not-at-critical-limit alert is inhibited in climb]
{ left stabilizer tank pump switch on
AND { aircraft on ground
OR left pump low pressure } }
OR { switch off
AND pitch below 5° for 10 minutes
AND tank at or above 1600 kg (3600 lb) }
{ right stabilizer tank pump switch on
AND { aircraft on ground
OR right pump low pressure } }
OR { switch off
AND pitch below 5° for 10 minutes
AND tank at or above 1000 kg (2300 lb) }
aft main tank pump (1, 2, 3, or 4) low pressure
[message inhibited by FUEL PRESS ENG ()]
forward main tank pump (1, 2, 3, or 4) low pressure
[message inhibited by FUEL PRESS ENG ()]
reserve tank (2 or 3) transfer valves closed while
commanded open
inboard main tank quantity at or below outboard
main tank quantity AND crossfeed valve 1 or 4 open
fuel temperature below -37°C
fuel temperature indicating system inoperative
fuel crossfeed valve (1, 2, 3, or 4) disagrees with
commanded position
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