Overhead Panel (Textual)

Question 1

Electrical Power Panel - What does the DC service switch power

Answer 1

Electrical Power Panel - What does the DC service switch power

Connects DC service to the APU battery direct bus

1. Lights (NAV, beacon, service, boarding, toilet and galley dome)
2. Boarding announcement
3. Cabin lighting, upward and downward
4. Service Bus feed
5. Power sensing (Service Bus and TRU)
6. Chart holder
7. Water and waste control

Question 2

Electrical Power Panel - What lights will illuminate with the Battery Master on? (No AC power established)

Answer 2

Electrical Power Panel - What lights will illuminate with the Battery Master on? (No AC power established)

1. The AC ESS XFER switch light
2. The INOP portion of L and R boost pump switch lights
3. The fault portion of the PRESS CONT switch light
4. The OFF portion of the L and R PACK switch lights
5. MACH TRIM switch light
   ED1 and ED2 Screens on
   ISI
   Backup RTU

Question 3

Electrical Power Panel - Regarding the AC switch light, what does the illumination of the AVAIL portion indicate

Answer 3

Electrical Power Panel - Regarding the AC switch light, what does the illumination of the AVAIL portion indicate

The system has the correct voltage, frequency and phase

Question 4

Electrical Power Panel - Regarding the IDG guarded switch light, what does the illumination of the FAULT portion indicate? DISC portion

Answer 4

Electrical Power Panel - Regarding the IDG guarded switch light, what does the illumination of the FAULT portion indicate? DISC portion

1. Associated IDG has has either low oil psi, or high oil temp (HOT LOP)
2. The DISC portion indicates that the associated IDG has been disconnected

Question 5

Electrical Power Panel - What does the illumination of the AC ESS XFER switch light indicate

Answer 5

Electrical Power Panel - What does the illumination of the AC ESS XFER switch light indicate

AC BUS 1 is not powering the AC ESS BUS

Question 6

Electrical Power Panel - When should a generator be reset

Answer 6

Electrical Power Panel - When should a generator be reset

When directed by the QRH (Example QRH ELEC 12)

Question 7

Electrical Power Panel - Regarding the AUTO XFER switch light, what does the illumination of the FAIL portion indicate

Answer 7

Electrical Power Panel - Regarding the AUTO XFER switch light, what does the illumination of the FAIL portion indicate

1. The associated GCU (Generator control unit) has detected a BUS fault or generator over-current
2. Affected generator is taken offline
3. GCU inhibits the auto transfer system on the affected side
4. Associated AC BUS can no longer be powered by the APU or off side generator

Question 8

Firex Detection Firex Monitor Panel - What is associated with the successful fire test

Answer 8

Firex Detection Firex Monitor Panel - What is associated with the successful fire test

1. FIRE SYS OK advisory message
2. LH ENG (1), RH ENG(2) and APU FIRE PUSH(3) switch light illuminate
3. LH(4), LR(5) and APU BOTTLE ARMED PUSH TO DISCHARGE switch light illuminate
4. Both Master Warning(6,7) Flashers illuminate
5. FWD(8) and AFT(9) CARGO SMOKE PUSH switch lights illuminate
6. Cargo BOTTLE ARMED(10) PUSH TO DISCHARGE switch light illuminates

If any light not on and FIRE SYS OK light bulb out, if NO FIRE SYS OK look for light out that is the problem section.

You are looking for 11 lights to light up, all associated with engine, APU, and the 3 lights on lower center console for the cargo + the EICAS advisory message

Question 9

Hydraulic Panel 1 - What is the function of the L/R HYD SOV guarded switch light

Answer 9

Hydraulic Panel 1 - What is the function of the L/R HYD SOV guarded switch light

To interrupt the flow of hydraulic fluid to the associated EDP (Engine Driven Pump)

Question 10

Fuel Panel - Regarding the L or R Boost pump, what does the INOP portion of the switch light indicate The On portion

Answer 10

Fuel Panel - Regarding the L or R Boost pump, what does the INOP portion of the switch light indicate

The Pump outlet psi is too low (INOP)

The On portion

The pump outlet psi is satisfactory (ON)

Question 11

Fuel Panel - What does the FAIL portion of the GRAVITY XFLOW switch light indicate

Answer 11

Fuel Panel - What does the FAIL portion of the GRAVITY XFLOW switch light indicate

The gravity crossflow valve is not in the commanded position

Question 12

Fuel Panel - Regarding the L or R XFLOW switch lights, what does the FAIL portion of the switch light indicate The ON portion

Answer 12

Fuel Panel - Regarding the L or R XFLOW switch lights, what does the FAIL portion of the switch light indicate

Crossflow pump failed to energize

The ON portion

ON Crossflow pump energized, fuel directed into low tank

Question 13

Fuel Panel - Explain the function of the XFLOW AUTO OVERRIDE switch light Pressed IN/OUT

Answer 13

Fuel Panel - Explain the function of the XFLOW AUTO OVERRIDE switch light Pressed IN/OUT

1. Pressed in arms the crossflow pump for manual crossflow and inhibits the auto crossflow function. (Switch illuminated)
2. Pressed out crossflow pump is disarmed for manual use and auto crossflow is available. (Switch is not illuminated)

Question 14

Bleed Air Panel - WING A/I CROSS BLEED Rotary switch

Answer 14

Bleed Air Panel - WING A/I CROSS BLEED Rotary switch

1. From the left the right wing anti-icing valve is closed and the cross-bleed valve opens to permit bleed air from the left engine to provide anti-icing to both wings.
2. From the right the left wing anti-icing valve is closed and the cross-bleed valve opens to permit bleed air from the right engine to provide anti-icing to both wings.

Question 15

Bleed Air Panel - BLEED VALVES rotary switch

Answer 15

Bleed Air Panel - BLEED VALVES rotary switch

1. AUTO allows for automatic operation the bleed valve
2. CLSD selects the valves to the closed position
3. MANUAL allows for manual open or closed operation of the valve (controlled by the ACSC) ISOL toggle switch.
4. CLSD allows the valve to open automatically when the APU LCV is opened; during cross-bleed starts and cycled open/closed during the automatic transfer of bleeds between the APU and engines.
5. OPEN allows manual operation of the valve in conjunction with the BLEED VALVES rotary switch in the manual position.
6. BOTH ENG The left and right engine bleed valve is open in both engines are capable of supplying bleed air. The APU LCV is closed (normal operations)
7. L ENG The left engine bleed valve is opened if the left engine is capable of supplying bleed air. The right engine bleed valve and the APU LCV are closed.
8. R ENG The right engine bleed valve is open if the right engine is capable of supplying bleed air. The left engine and the APU LCV are closed.

Question 16

APU Panel - PWR FUEL switch

Answer 16

APU Panel - PWR FUEL switch

1. Pressed in ECU is powered, APU IN BITE (Built in Test)
2. APU SOV OPEN status message
3. Air inlet door opens
4. APU RPM and EGY gauges are displayed on the EICAS status page
5. Fuel pump comes on

Question 17

APU Panel - PUMP FAIL portion of the switch light illuminates

Answer 17

APU Panel - PUMP FAIL portion of the switch light illuminates

Indicates a failed APU pump

Question 18

APU Panel - SOV FAIL portion of the switch light

Answer 18

APU Panel - SOV FAIL portion of the switch light

Indicates APU SOV not in the commanded position

Question 19

APU Panel - START/STOP switch light

Answer 19

APU Panel - START/STOP switch light

1. Pressed in ignition is activated
2. Starter motor is energized
3. Fuel shutoff solenoid opens
4. Start switch light illuminates
5. APU START status message is displayed

Question 20

Engine Start and Ignition Panel - L/R START switch light

Answer 20

Engine Start and Ignition Panel - L/R START switch light

1. Pressed in, isolation valve opens
2. Associated start valve opens
3. START switch light illuminates
4. L or R ENGINE START status message displayed

Question 21

Engine Start and Ignition Panel - STOP switch light

Answer 21

Engine Start and Ignition Panel - STOP switch light

Discontinues the start sequence by closing the ATS (air turbine starter) valve on the associated engine.

Question 22

Engine Start and Ignition Panel - CONT switch light

Answer 22

Engine Start and Ignition Panel - CONT switch light

Engages the continuous ignition

Question 23

Hydraulic Panel 2 - Toggle Switch 1 (1B)

Answer 23

Hydraulic Panel 2 - Toggle Switch 1 (1B)

1. AUTO position allows pump 1B to operate when its respective BUS is powered and at least 1 generator online and the flaps out of the zero position.
2. ON position allows the pump to operate when its respective BUS is powered and at least 1 generator online, regardless of flap position. (Manual mode)
3. OFF position, pump is off

Question 24

Hydraulic Panel 2 - Toggle Switch 3A

Answer 24

Hydraulic Panel 2 - Toggle Switch 3A

1. ON position allows the operation of the AC Motor Pump 3A
2. OFF position, the pump is off

Question 25

Hydraulic Panel 2 - Toggle switch 3B toggle switch

Answer 25

Hydraulic Panel 2 - Toggle switch 3B toggle switch 1. AUTO position allows pump 3B to operate when its respective BUS is powered and at least 1 generator online and the flaps out of the zero position. 2. ON position allows the pump to operate when its respective BUS is powered and at least 1 generator online, regardless of flap position. (Manual mode) 3. OFF position, pump is off

Question 26

Cabin Press Panel - LDG ELEV control knob

Answer 26

Cabin Press Panel - LDG ELEV control knob Pre-selects the landing field elevation

Question 27

Cabin Press Panel - MAN ALT toggle switch

Answer 27

Cabin Press Panel - MAN ALT toggle switch 1. Controls the cabin pressurization in manual mode. 2. UP/DN commands the cabin altitude to climb or descend 3. HOLD holds the selected cabin altitude

Question 28

Cabin Press Panel - EMER DEPRESS guarded switch light

Answer 28

Cabin Press Panel - EMER DEPRESS guarded switch light Pressed in the manual DC Motor will drive the outflow valve to fully open. Depressurizes the airplane switch light illuminates

Question 29

Cabin Press Panel - PRESS CONT switch light

Answer 29

Cabin Press Panel - PRESS CONT switch light 1. Pressed in allows the outflow valve to be manually operated, in conjunction with the MAN RATE toggle and rotary switches. (MAN portion of the switch light illuminates) 2. The fault portion of the switch light illuminates indicates both pressurization controllers have failed.

Question 30

Cabin Press Panel - MAN RATE rotary switch

Answer 30

Cabin Press Panel - MAN RATE rotary switch With the cabin pressurization in the manual mode, controls the rate of change of the cabin altitude.

Question 31

AIR-CONDITIONING PANEL - PACK (Pneumatic air conditioning kit) L or R

Answer 31

AIR-CONDITIONING PANEL - PACK (Pneumatic air conditioning kit) L or R 1. L PACK switch light pressed in supplies the flight deck through the mixing manifold. 2. R PACK switch light pressed supplies the passenger cabin through the mixing manifold. The FAULT portion of the switch light illuminates. Indicates either an over temperature or over pressure condition The OFF portion of the switch light illuminates. Indicates that the associated PACK is off

Question 32

AIR-CONDITIONING PANEL - RECIRC toggle switch

Answer 32

AIR-CONDITIONING PANEL - RECIRC toggle switch 1. ON energizes both recirculation fans. 2. OFF de-energizes both recirculation fans.

Question 33

AIR-CONDITIONING PANEL - RAM AIR guarded switch light

Answer 33

AIR-CONDITIONING PANEL - RAM AIR guarded switch light Selecting switch to OPEN allows air from the ram air scoop to enter the mixing manifold. This will allow flight deck and passenger cabin ventilation. (Switch light illuminates)

Question 34

AIR-CONDITIONING PANEL - L and R MAN switch lights

Answer 34

AIR-CONDITIONING PANEL - L and R MAN switch lights Pressed in allows for manual control of the airflow through the PACK by direct actuation of the temperature control valve. (switch light illuminates)

Question 35

AIR-CONDITIONING PANEL - HOT/COLD toggle switches

Answer 35

AIR-CONDITIONING PANEL - HOT/COLD toggle switches Increase or decreases flight deck or passenger cabin temperature in manual mode.

Question 36

AIR-CONDITIONING PANEL - CKPT and CABIN rheostat control knobs

Answer 36

AIR-CONDITIONING PANEL - CKPT and CABIN rheostat control knobs 1. Allows for auto temperature control via the ACSC mixing hot and cold air. 2. Allows the pilot to set a pre-selected temperature in the flight deck as well as the passenger cabin.

Question 37

AIR-CONDITIONING PANEL - CARGO switch (3 positions)

Answer 37

AIR-CONDITIONING PANEL - CARGO switch (3 positions) 1. OFF closes intake and exhaust SOV's to seal aft cargo bay enclosure. 2. AIR SOV's opened to allow recirculated or conditioned air to ventilate the aft cargo bay. 3. COND AIR Will provide automatic temperature control of aft cargo bay utilizing electric heater

Question 38

ANTI ICE PANEL - WING toggle switch

Answer 38

ANTI ICE PANEL - WING toggle switch 1. ON AILC (Anti-ice leak detection controller) modulates the wing anti-icing valves. 2. White N2 arcs appear. 0-77%

Question 39

ANTI ICE PANEL - COWL LH and RH toggle switches

Answer 39

ANTI ICE PANEL - COWL LH and RH toggle switches ON Allows the cowl anti-ice SOVs to open which will allow bleed air into the leading edge of the cowls via a piccolo tube

Question 40

ANTI ICE PANEL - DET TEST switch light (provides 3 separate functions)

Answer 40

ANTI ICE PANEL - DET TEST switch light (provides 3 separate functions) 1. The switch light is used to test the ice detector circuitry and probes. Successful test will be indicated by an ICE caution and illumination of the DET TEST switch light 2. Pressed in and hold by the pilot will test the probes and sensor heaters. Successful test will be indicated by a green ADS HEAT TEST OK advisory message. 3. When in icing conditions with the wing or cowls off, the switch light will illuminate, along with tan ICE caution message.

Question 41

ANTI ICE PANEL - WSHLD LH and RH toggle switches

Answer 41

ANTI ICE PANEL - WSHLD LH and RH toggle switches 1. Low All 4 panels are heated to 24 degree Celsius 2. Hi Windshields are heated to 41 degree Celsius

Question 42

ANTI ICE PANEL - WSHLD TEST button

Answer 42

ANTI ICE PANEL - WSHLD TEST button Pressed in, initiates a self-test of the windshield heating system. A successful test is indicated by the L and R WSHLD HEAT and L and R WINDOW HEAT caution message. (Windshields and windows must be energized prior to the test)

Question 43

ANTI ICE PANEL - PROBES toggle switches

Answer 43

ANTI ICE PANEL - PROBES toggle switches 1. ON on ground with AC power supplied, TAT and pilot bases are off 2. Static and AOA are heated 3. Pitot heads are half heated

Question 44

Starting the APU

Answer 44

Starting the APU Make sure cowl and wing AI switches are off APU PWR FUEL switch.........ON APU SOV OPEN status message APU IN BITE status momentarily APU RPM and EGT gauges displayed APU DOOR OPEN status message APU IN BITE status message out APU START/STOP Switch.......ON Start Light On APU START status message on Before 60% rpm - START light and APU START status message out NOTE: 99% rpm + 2 seconds AVAIL light on AC and DC electrical power..CHECK Electrical Synoptic Page * Voltage, Frequency, and Load are in GREEN * All AC and DC buses powered and lit green * Battery Chargers operating on DC electrical synoptic page Bleed Source Switch.. As Required Bleed Valves Switch...As Required

Question 45

When do you run the Fire Test

Answer 45

When do you run the Fire Test Prior to starting the APU on the first flight of the day. Make sure the battery master has been on for at least 30 seconds prior to starting test