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L ENG VIB
R ENG VIB
²Engine Left (Right)
Engine Left (Right)²
· Excessive engine vibration in either the fan or
compressor section of the engine.
*1. Throttle affected engine - IDLE
2. ENG format - Determine vibration level.
If caution remains at IDLE -
3. Throttle affected engine - OFF
If caution removed and engine is required -
3. Throttle - Advance slowly, maintaining vibration
level below the caution threshold.
ERASE FAIL
· A component which contains classified information
has reported a critical failure which may
prevent successful erasure of stored classified
data.
Information
EXT TANK
· External tanks are pressurized with WonW
(EXT TANKS switch(es) in ORIDE).
· External tanks over pressurized with WoffW.
External tank pressurization is terminated for
inflight refueling (PROBE switch in EXTEND) and
for arrested landing (both HOOK and LDG GEAR
handles down).
GROUND
1. EXT TANKS switch(es) - VERIFY NORM
If caution remains -
2. Do not catapult.
INFLIGHT
1. EXT TANKS switch(es) - STOP (when external
transfer complete)
A1-F18EA-NFM-000
Figure 12-1. Warning/Caution/Advisory Displays (Sheet 15 of 55)
V-12-17 ORIGINAL
DDI Cautions and Caution Lights
INDICATOR · CAUSE / REMARKS CORRECTIVE ACTION
EXT XFER
· One or more external tanks failed/slow to transfer
when commanded. External fuel available but
not transferring.
Failure to transfer may also affect ability to refuel
affected tank(s). If inflight refueling is required,
consider inhibiting refueling of external
tank(s) that set the caution and were slow to transfer
(corresponding EXT TANKS switch to STOP).
1. FUEL format - CHECK
2. EXT TANKS switch(es) - ORIDE
If external fuel still not transferring -
3. EXT TANKS switch(es) - CYCLE
4. PROBE switch - CYCLE
5. Apply positive and negative g.
6. Monitor fuel transfer and tank quantities.
If/when transfer complete -
7. EXT TANKS switch(es) - NORM
If CV landing and any 480 gal tank(s) over
800 lb fuel -
7. Divert or SELECT JETT non-transferring 480
gal tank(s).
Prior to landing -
8. EXT TANKS switch(es) - NORM
FADEC HOT
WonW, both engines shutdown -
· Left or right engine FADEC indicates an overheat
condition (WonW only, both engines shutdown).
------------------------------------------------------------
WonW, IDLE or above
· Insufficient fuel flow through the FADEC for
adequate cooling.
WonW, both engines shutdown -
1. Discontinue any ground operations with
FADECs for 30 to 60 minutes.
2. Do not attempt engine start.
After the cooling period and prior to any
FADEC operation -
3. Confirm absence of FADEC fault codes or engine
related MSP codes.
-----------------------------------------------------------
WonW, IDLE or above
1. Both engines - SHUTDOWN
L FLAMEOUT
R FLAMEOUT
²Engine Left (Right),
Engine Left (Right)²
· Designated engine flamed out.
With the throttle at or above IDLE, ignition is
activated automatically whenever a flameout is
sensed. For a dual engine flameout, both generators
drop off line as rpm decays through 60%. With
both generators off-line, the standby flight instruments
must be used, and the EFD only displays
RPM and EGT. PMGs supply rated power to run
the flight controls down to approximately 20% N2
rpm on spooldown (battery below 20%).
If a single engine fails, its accessories are also
lost: fuel boost pump (BOOST LO caution), hydraulic
pump (HYD cautions), and ac/dc generator
(GEN and/or DC FAIL cautions). One generator
supplies sufficient power to operate all systems. As
hydraulic pressure decays below 900 psi, the aileron,
rudder, and LEF switching valves function (typically
within 2 seconds). If any of these surfaces X,
there is no hazard associated with multiple reset
attempts to regain the Xd surface. If a windmilling
engine causes hydraulic system output to fluctuate
between 800 and 2,000 psi, the switching valves
cycle between their primary and backup circuits. If
this occurs, reduce airspeed until hydraulic pressure
fluctuations cease.
DUAL ENGINE FLAMEOUT
1. Throttles - MAX
2. Lower the nose to maintain at least 12% N2
rpm (350 KCAS). (standby instruments)
If no relight approaching 10,000 feet -
3. Airspeed - Maintain below 250 KCAS.
4. APU switch - ON (wait for READY light)
5. ENG CRANK switch - R or L
　
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