Top Panel

Question 1

AC ESS XFER: ALTN

Answer 1

AC ESS powered by Bus 1. Transfers to Bus 2. (TRU = AC to DC)

Question 2

IDG 1 (2): FAULT/DISC

Answer 2

Fault: HOT/LOP or Failure to disengage from gearbox

Question 3

Auto XFER

Answer 3

Auto Transfers from one power source to the next (Onside, APU, offside, outside)

Question 4

AUTO XFER Switchlights

Answer 4

FAIL: Auto XFER has failed
OFF: Selected “OFF” manually

Question 5

GCU Function

Answer 5

Over/Under: Voltage/Frequency
GEN/BUS Overcurrent
GEN out of phase

Question 6

L (R) Boost Pump

Answer 6

Pressing “arms” the pump.
One pump on - means both are on regardless of position.
DC Powered.
Backup to main ejectors.
INOP: switch pressed out or pump inop.

Question 7

Gravity XFLOW

Answer 7

OPEN: “open” or in use
FAIL: valve is in position disagreement
Must press MAN then Gravity XFLOW
Used when power XFLOW doesn’t work

Question 8

XFLOW L (R)

Answer 8

ON: selected (low fuel side). Begins at 200lbs imbalance.
FAIL: valve disagreement

Question 9

Bleeds Valves

Answer 9

APU has bleed priority on ground.
When:
1. Gear up
2. Flaps <20*
3. Out of TOGA
it switches to engine priority.

Question 10

APU Pump

Answer 10

D - Doors open (on ground)
I - IN BITE (self-test)
G - Gauges appear
S - SOV Open

Question 11

L (R) ENG START

Answer 11

When pressed:
1. Isolation valve opens
2. Pack valve closes
3. Associated Start Valve Opens
4. Air turbine starter engages
5. One igniter on ground/Two in flight

Question 12

PRESS CONT

Answer 12

FAULT: Dual CPC Failure
MAN: In manual control mode

Question 13

EMER DEPRESS

Answer 13

Prohibited to push above 15,000.
We land pressurized, after 60 second outflow valve opens

Question 14

L (R) Pack
and
RAM AIR
and
MAN

Answer 14

FAULT: Over temp or over pressure
RAM AIR: unpressurized for ventilation or smoke removal
MAN: manual mode (no overheat protection)