LIGHTS and Switched

Question 1

Flight control switch
*STBY RUD
*OFF
*ON

Answer 1

STBY RUD
*activates stby EMDP
*shuts off hyd press to elev, ail, rudder by closing the flight control shutoff valve.
*opens stby rudder shutoff valve
*deactivates flight control low press when stby rudder shutoff valve open
*allows stby system to power rudder and TR.
*STBY RUD ON, Master Caution and flight controls on annunc panel.
..
OFF
*closes flight control shutoff valve isolating ail, elev, rudders from hyd system press.

Question 2

Standby Hyd
Low quantity

Answer 2

low quantity in stby hyd reservoir
always armed

Question 3

Stby Hyd
Low Press

Answer 3

output press of stby pump low
armed when stby pump operation active

Question 4

Stby RUD ON

Answer 4

stby rudder system is pressurizing the STBY RUDDER PCU.

Question 5

Flight control low pressure light

Answer 5

Low hyd system press to System A/B press to ail, elev, rudder.
deactivated when FLIGHT CONTROL switch to STBY RUD and STBY RUD shutoff valve opens

Question 6

Feel Diff press

Question 7

Speed Trim FAIL

Question 8

Mach Trim FAIL

Question 9

AUTO SLAT FAIL

Question 10

ENG VALVE CLOSED

Answer 10

Extinguished - valve is OPEN
Bright - engine fuel shutoff valve in transit or valve position disagrees with ESL or EFSwitch.
DIM - Valve is closed

Question 11

SPAR VALVE CLOSED

Answer 11

Same as engine fuel valve

Question 12

CF VALVE OPEN

Answer 12

Extinguished - closed
Bright - transit or valve position disagree with CF selector.
Dim - open

Question 13

FILTER BYPASS

Answer 13

impending fuel filter bypass due to contaminated filter.

Question 14

CTR TANK LOW PRESS

Answer 14

pump output press is low.

Question 15

FWD/AFT FUEL PUMP Low Pressure

Answer 15

Fuel pump press low or switch if off.
Two Low press light same tank illuminate MCaution . 1 light only with recall.

Question 16

BAT DISCHARGE

Answer 16

with Bat switch on - excessive bat discharge

Question 17

TR UNIT

Answer 17

Ground - ANY TR FAILED
AIR - TR1 or TR 2 and 3 failed

Question 18

ELEC

Answer 18

Fault in DC power system or standby power system. Operates only on ground.

Question 19

DRIVE light

Answer 19

IDG low oil press due to:
IDG failure
ENGINE shutdown
IDG auto disconnect - high oil T
IDG disconnect via DISCONNECT switch

Question 20

STANDBY PWR OFF

Answer 20

One or more of following busses unpowered:
AC STBY BUS
DC STBY BUS
BAT BUS

Question 21

GRD POWER Available

Answer 21

Ground power connected and meets airplane power quality std.

Question 22

TRANSFER BUS OFF

Answer 22

Transfer bus not powered

Question 23

SOURCE OFF

Answer 23

No source manually selected to power the transfer bus, or the manually selected source is disconnected.

Question 24

GEN OFF BUS

Answer 24

IDG not supplying power to the related transfer bus.

Question 25

APU GEN OFF BUS

Answer 25

APU running and not powering a bus

Question 26

APU MAINT

Answer 26

APU maintenance problem. APU may be operated. light disarmed when APU OFF

Question 27

APU LOW OIL PRESS

Answer 27

on during start - till oil press normal Oil press low - auto shutdown (after start cycle) On when APU switch placed off - extinguish 5min disarmed with APU switch OFF

Question 28

APU FAULT

Answer 28

malfunction - auto shutdown On when APU switch off - ext 5min disarmed with APU off

Question 29

APU OVER SPEED

Answer 29

APR RPM limit exceeded - auto shutdown overspeed shutdown protection feature failed self test during normal apu shutdown. light ON with APU switch off - ext 5min disarmed APU switch off

Question 30

EQUIP COOLING OFF LIGHT

Answer 30

no airflow from selected cooling supply or exhaust fan

Question 31

EMER EXIT LIGHT NOT ARMED

Answer 31

EMER EXIT lights not in ARMED position

Question 32

WINDOW HEAT OVERHEAT

Answer 32

overheat condition or elec power to window interrupted

Question 33

WINDOW HEAT ON

Answer 33

window heat applied to window

Question 34

WAI L/R VALVE OPEN

Answer 34

Bright - transit / disagree Dim - open Extinguish - closed

Question 35

COWL ANTI ICE

Answer 35

over press in duct downstream of engine cowl anti ice valve

Question 36

COWL VALVE OPEN

Answer 36

Dim - cowl anti ice valve OPEN bright - transit or disagree Exting - closed

Question 37

Elec HYD PUMP OVERHEAT

Answer 37

Hyd fluid to cool and lubricate pump overheated or pump overheated.

Question 38

HYD PUMP LOW PRESS

Answer 38

output press low

Question 39

ZONE TEMP

Answer 39

DAILY READ

Question 40

DUAL BLEED

Answer 40

APU bleed air valve open and eng nr bleed ON, or nr 2 bleed ON, APU bleed on and isolation valve open

Question 41

RAM DOOR FULL OPEN

Answer 41

Ram door full open

Question 42

PACK TRIP OFF

Answer 42

Daily read

Question 43

WING BODY OVERHEAT

Answer 43

DAILY READ

Question 44

BLEED TRIP OFF

Answer 44

Excessive engine bleed air temp or press.

Question 45

AUTO FAIL

Answer 45

AMber, automatic press system failure. Single controller fail when ALTN also ON. Duel controller fail is illuminated alone.

Question 46

dOFF SCHED DESCENT

Answer 46

descent before reaching alt in FLT ALT indicator

Question 47

ALTN

Answer 47

GREEN Press system operating in ALTN mode AUTO FAIL and ALTN = single controller failure and auto transfer to ALTN Illuminate alone - press mode selector to ALTN position.

Question 48

MANUAL

Answer 48

GREEN Press system operating in Alt mode.