Overhead Panel Overhead Panel (Pictorial) Flashcards
Electrical Power Panel - What does the DC service switch power
Electrical Power Panel - What does the DC service switch power
Connects DC service to the APU battery direct bus
- Lights (NAV, beacon, service, boarding, toilet and galley dome)
- Boarding announcement
- Cabin lighting, upward and downward
- Service Bus feed
- Power sensing (Service Bus and TRU)
- Chart holder
- Water and waste control
Electrical Power Panel - What lights will illuminate with the Battery Master on? (No AC power established)
Electrical Power Panel - What lights will illuminate with the Battery Master on? (No AC power established)
- The AC ESS XFER switch light
- The INOP portion of L and R boost pump switch lights
- The fault portion of the PRESS CONT switch light
- The OFF portion of the L and R PACK switch lights
- MACH TRIM switch light ED1 and ED2 Screens on ISI Backup RTU
Electrical Power Panel - Regarding the AC switch light, what does the illumination of the AVAIL portion indicate
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
Electrical Power Panel - Regarding the IDG guarded switch light, what does the illumination of the FAULT portion indicate? DISC portion
Electrical Power Panel - Regarding the IDG guarded switch light, what does the illumination of the FAULT portion indicate? DISC portion
- Associated IDG has has either low oil psi, or high oil temp (HOT LOP)
- The DISC portion indicates that the associated IDG has been disconnected
Electrical Power Panel - What does the illumination of the AC ESS XFER switch light indicate
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
Electrical Power Panel - When should a generator be reset
Electrical Power Panel - When should a generator be reset
When directed by the QRH (Example QRH ELEC 12)
Electrical Power Panel - Regarding the AUTO XFER switch light, what does the illumination of the FAIL portion indicate
Electrical Power Panel - Regarding the AUTO XFER switch light, what does the illumination of the FAIL portion indicate
- The associated GCU (Generator control unit) has detected a BUS fault or generator over-current
- Affected generator is taken offline
- GCU inhibits the auto transfer system on the affected side
- Associated AC BUS can no longer be powered by the APU or off side generator
Firex Detection Firex Monitor Panel - What is associated with the successful fire test
Firex Detection Firex Monitor Panel - What is associated with the successful fire test
Firex Detection Firex Monitor Panel - What is associated with the successful fire test
- FIRE SYS OK advisory message
- LH ENG (1), RH ENG(2) and APU FIRE PUSH(3) switch light illuminate
- LH(4), LR(5) and APU BOTTLE ARMED PUSH TO DISCHARGE switch light illuminate
- Both Master Warning(6,7) Flashers Illuminate
- FWD(8) and AFT(9) CARGO SMOKE PUSH switch lights illuminate
- 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
Hydraulic Panel 1 - What is the function of the L/R HYD SOV guarded switch light
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)
Fuel Panel - Regarding the L or R Boost pump, what does the INOP portion of the switch light indicate The On portion
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)
Fuel Panel - What does the FAIL portion of the GRAVITY XFLOW switch light indicate
Fuel Panel - What does the FAIL portion of the GRAVITY XFLOW switch light indicate
The gravity crossflow valve is not in the commanded position
Fuel Panel - Regarding the L or R XFLOW switch lights, what does the FAIL portion of the switch light indicate The ON portion
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
Fuel Panel - Explain the function of the XFLOW AUTO OVERRIDE switch light Pressed IN/OUT (Man)
Fuel Panel - Explain the function of the XFLOW AUTO OVERRIDE switch light Pressed IN/OUT (Man)
- Pressed in arms the crossflow pump for manual crossflow and inhibits the auto crossflow function. (Switch illuminated)
- Pressed out crossflow pump is disarmed for manual use and auto crossflow is available. (Switch is not illuminated)
Bleed Air Panel - WING A/I CROSS BLEED Rotary switch
Bleed Air Panel - WING A/I CROSS BLEED Rotary switch
- 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.
- 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.
Bleed Air Panel - BLEED VALVES rotary switch
Bleed Air Panel - BLEED VALVES rotary switch
- AUTO allows for automatic operation the bleed valve
- CLSD selects the valves to the closed position
- MANUAL allows for manual open or closed operation of the valve (controlled by the ACSC) ISOL toggle switch.
- 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.
- OPEN allows manual operation of the valve in conjunction with the BLEED VALVES rotary switch in the manual position.
- 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)
- 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.
- 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.
APU Panel - PWR FUEL switch
APU Panel - PWR FUEL switch
- Pressed in ECU is powered, APU IN BITE (Built in Test)
- APU SOV OPEN status message
- Air inlet door opens
- APU RPM and EGY gauges are displayed on the EICAS status page
- Fuel pump comes on
APU Panel - PUMP FAIL portion of the switch light illuminates
APU Panel - PUMP FAIL portion of the switch light illuminates Indicates
Failed APU pump
APU Panel - SOV FAIL portion of the switch light
APU Panel - SOV FAIL portion of the switch light Indicates
APU SOV not in the commanded position