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HP Fuel Cock are not
illuminated, check Fire
Detection Panel and
perform Fire Test. If test is
good, isolate faulty loop. If
test is bad, perform
procedure in Section 05-12-
10, Engine Fire.
L-R ENGINE
HOT
L ENGINE HOT Engine cooling air
temperature above
860° F (460° C).
See Section 05-21-10,
R ENGINE Engine Overheat.
HOT
FLAME
DETECT
FLAME
DETECT
Flame detected in
area illuminated by
annunciation.
Perform appropriate
procedure in Chapter 5:
Abnormal/Emergency
Procedures, for area in
which flame is detected.
L-R FUEL
FILTER
L FUEL FILTER Fuel filter clogging. (1) Retard power lever to
75%.
(2) Verify fuel temperature
increased above +5° C,
and hold this condition
for ten (10) seconds
before restoring engine
power.
(3) If engine operation
becomes erratic, shut
down engine. See
Section 05-10-10,
Engine Failure /
Shutdown In Flight.
NOTE
If fault shows on both
engines, apply above
procedure to only one
engine at a time. Land as
soon as possible.
R FUEL
FILTER
L-R FUEL
PRESS LOW
L FUEL PRESS Fuel pressure at
inlet to high
pressure fuel
pump is less than
15 psi, or both fuel
BOOST PUMPS
on one side have
been selected to
OFF with
CROSSFLOW
valve CLOSED.
(1) Verify fuel BOOST
PUMPS are ON and
functioning.
(2) Check CROSSFLOW
valve position.
(3) Check for erratic fuel
flow indication.
(4) If engine operation
becomes erratic, shut
down engine. See
Section 05-10-10,
Engine Failure /
Shutdown In Flight.
R FUEL
PRESS
FWD LAV
SMOKE
DETECT
(SPZ-8400
Equipped
Airplanes)
None Smoke detected in
forward lavatory
area or radio rack
area.
See Section 05-23-20,
Smoke In Baggage
Compartment, Aft Galley,
Lavatory Or Right Hand
Avionics Bay.
OPERATING MANUAL
MESSAGES AND ANNUNCIATIONS PROCEDURES 04-02-00
Page 3
October 11/01
Revision 5
CAS
Message:
SWLP
Indication
Possible
Cause(s):
Corrective Action:
GND SPOILER GND SPOILER Failure of ground
spoiler component
or deployed
ground spoiler
panel.
Immediately select GND
SPLR OFF/ARMED switch
to OFF. See Section 05-15-
50, Ground Spoiler Failure.
L-R OIL
PRESS LOW
L OIL PRESS Indicated oil
pressure below 16
psi.
(1) Check oil pressure
reading. Minimum oil
pressure is 16 psi
below 76% HP RPM.
(2) Shut down engine if
pressure is abnormally
low. If necessary, see
Section 05-10-10,
Engine Failure /
Shutdown In Flight.
R OIL PRESS
L-R PYLON
HOT
L PYLON HOT Pylon temperature
is above 325° F
(163° C).
(1) Select faulty side
BLEED AIR switch to
OFF.
(2) Verify ISOLATION
valve is CLOSED.
(3) Descend to 41,000 ft.
(4) Monitor message.
(5) Prepare for possible
engine shutdown. If
necessary, see Section
05-10-10, Engine
Failure / Shutdown In
Flight.
(6) If problem persists,
land as soon as
possible.
R PYLON HOT
RADIO RACK
SMOKE
(Added by ASC
415 on SPZ-
8000/8400
equipped
airplanes and
SN 1390 and
subsequent.)
SMOKE
DETECT
Smoke detected in
radio rack area.
See procedure in Chapter
05, Expanded Abnormal/
Emergency Procedures, for
area in which smoke is
detected.
OPERATING MANUAL
04-02-00 MESSAGES AND ANNUNCIATIONS PROCEDURES
Page 4
October 11/01
Revision 5
CAS
Message:
SWLP
Indication
Possible
Cause(s):
Corrective Action:
L-R REV
UNLOCK
REV
UNLOCKED
Thrust reverser
has become
unlocked.
(1) Ensure thrust reverse
lever is stowed.
(2) Retard affected engine
to idle.
(3) Reduce airspeed to
less than 200 KCAS.
(4) Depress T/REV
EMERG STOW switch.
(5) See Section 05-24-10,
Reverse Thrust Unlock
Or Deploy.
CAUTION:DO NOT
ATTEMPT TO DEPLOY
AND RESTOW THE
AFFECTED REVERSER.
DAMAGE CAN OCCUR TO
AN ACTUATOR’S PRIMARY
LOCK IF IT IS UNLOCKED
WITHOUT MAINTAINING
STOW SIDE PRESSURE
ABOVE 1200 PSI. THE
ACTUATOR COULD BE
DAMAGED REQUIRING
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湾流4操作手册 Gulfstream IV Operating Manual 3(49)
