LR45 FUEL CAS (12/13/2023)

Question 1

L FUEL PRESS LOW
R FUEL PRESS LOW
L R FUEL PRESS LOW
(RED)

Answer 1

Low pressure to engine fuel pump (< 1 psi) TAB 13

Question 1

L FUEL HEATER
R FUEL HEATER
L R FUEL HEATER
(AMBER)

Answer 1

Fuel/oil cooler failure – fuel to cold TAB 20

If this accompanied by an L, R, or both FUEL FILTER white CAS, there is a possibility of fuel icing.

Question 2

DEFUEL OPEN (AMBER)

Answer 2

Defueling valve not closed TAB 19

Question 3

L FUEL FILTER
R FUEL FILTER
L R FUEL FILTER
(AMBER)

Answer 3

Engine or airframe fuel filter impending bypass (ground) TAB 20

Question 4

FUEL IMBALANCE (AMBER)

Answer 4

Wing imbalance > 500 lbs flaps up TAB 20
Wing imbalance > 200 lbs flaps down

Question 5

L FUEL QTY LOW
R FUEL QTY LOW
L R FUEL QTY LOW
(AMBER)

Answer 5

Wing low fuel < 350lbs TAB 20

Question 6

FUEL XFLO (AMBER)

Answer 6

Wing fuel xflow fault, not full open/closed after 1.5 seconds TAB 20

Question 7

L FWSOV FAULT
R FWSOV FAULT
L R FWSOV FAULT
(AMBER)

Answer 7

FWSOV not fully open or closed after 1.5 seconds TAB 20

Question 8

L R FUEL HEATER (WHITE)

Answer 8

Fuel/oil cooler has failed – fuel to hot

Question 9

L R FUEL FILTER (WHITE)

Answer 9

Fuel filter on engine or airframe impending bypass (inflight)

Question 10

L R FUEL QTY FAULT (WHITE)

Answer 10

L or R channel fault, or loss of density compensation

Question 11

FUEL QTY FAULT (WHITE)

Answer 11

AHRS #1 input inoperative or fuselage probe inop or invalid

Question 12

FUEL XFLO OPEN (WHITE)

Answer 12

Wing fuel crossflow valve open

Question 13

L R FWSOV CLSD (WHITE)

Answer 13

Engine FWSOV closed

Question 14

L R STBY PUMP ON (WHITE)

Answer 14

Power applied to standby fuel pump (manual or auto)

Question 15

L R FUEL BAY LOW (WHITE)

Answer 15

L/R Fuel bay collector low