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67 Cards in this Set
- Front
- Back
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ELECTRICAL POWER PANEL - DC SERVICE SWITCH
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Used by Mx and Gnd Personnel, Operates Nav, Lav, and Dome, Powers DC Sevice Bus
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ELECTRICAL POWER PANEL - BATTERY MASTER switch
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2 Batteries, Main 17 Amps, APU 43 Amps, 5 minute limit due to CRTs, 2 24v NICAD Batteries, 22v Min for Engine Start
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ELECTRICAL POWER PANEL - EXT DC power switchlight
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AVAIL: Correct voltage and polarity
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ELECTRICAL POWER PANEL - EXT AC power switchlight
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AVAIL: Correct Phase-3, Frequency-400Hz, Voltage-115v
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ELECTRICAL POWER PANEL - IDG 1 and IDG 2 switchlights
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Used to disconnect IDG from engine. Press when directed by QRH, Cannot be reset in flight, reset by MX personnel on ground. FAULT (amber) light indicates a fault within IDG. HOTLOP (High Oil Temp or Low Oil Press). DISC (white) light indicates selected disconnect is successful. OO (Over-Temp or Over-Torque)
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ELECTRICAL POWER PANEL - AC ESS XFER
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Used to switch essential bus feed from AC bus 1 to AC bus 2. The ALTN (white) light indicates essential bus is fed from AC bus 2. Transfer is automatic during an AC bus 1 failure. Can also be powered from the ADG bus.
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ELECTRICAL POWER PANEL - GEN 1, GEN 2, APU GEN
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ON – Connects generator to associated bus. OFF/RESET – Disconnects generator from associated bus and/or resets the generator control circuit.
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ELECTRICAL POWER PANEL - AUTO XFER switchlights
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OFF (white) light indicates autotransfer is selected off. FAIL (amber) light indicates a fault preventing autotransfer.
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ELECTRICAL POWER PANEL - DC POWER TIE 1 + TIE 2 switchlights
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CLOSED – Illuminates white to indicate the corresponding DC bus has been automatically tied to the service TRU during an abnormal condition, or has been pressed in to manually tie corresponding bus to the service TRU. Illuminates indicating the corresponding utility bus is shed.
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ELECTRICAL POWER PANEL - ESS TIE switchlight
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CLOSED – When pressed in, illuminates white to indicate that ESS Bus has been manually tied to the service TRU during a DC essential TRU failure. ESS TIE Switchlight can only be selected manually.
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EXTERNAL LIGHTS PANEL - BEACON
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If not turned on within 5 minutes of both engines started: FDR (Flight Data Recorder) Fail Status Message
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LANDING/TAXI LIGHTS PANEL - LANDING LTS, RECOG TAXI LTS
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Landing lights no known limit, Recog taxi lights 10 minutes max when stationary
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PASSENGER SIGNS PANEL - SEAT BELTS
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AUTO: Landing Gear Extended, Flaps out of 0 degrees, Cabin Alt exceeds 10,000' (CPAM)
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EMERGENCY LIGHTS PANEL - EMERGENCY LIGHTS
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ARM: Int and Ext emergency lights illuminate if DC ESS power fails, Turned on by overhead panel and Flt Attendants station.
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FIRE DETECTION PANEL - When is Fire Protection/Detection available and what parts of the aircraft have fire/overheat detection?
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Fire Protection is ALWAYS available. Fire Detection is available with Batt Master ON, Parts of aircraft w/fire/overheat detection: Engine, Jet Pipe, Pylon, MLG bay
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FIRE DETECTION PANEL - fire TEST WARN
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Simulates Fire (APU bottle blows if selected with failed APU loop) by grounding loops to check continuity
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FIRE DETECTION PANEL - fire TEST FAIL
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Checks for shorts in system, Simulates overheat by grounding loops to check continuity
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FIRE DETECTION PANEL - fire bottle TEST
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1. Checks continuity of squibs, 2. Checks bottle pressure
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FIRE DETECTION PANEL - cargo bottle TEST
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1. Checks continuity of squibs, 2. Checks bottle pressure, 3. Checks respective smoke detector
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GLARESHIELD - FIRE Pushbutton (switchlight)
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Closes Fuel SOV, Closes Hydraulic SOV, Closes Bleed Air Valve (10th), Turns off Generator, Arms Squibs (squibs will fire if Either PRESS TO DISCHARGE button is pressed
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CABIN PRESS PANEL - EMER DEPRESS
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Press when directed by QRH, Opens both outflow valves, Maintains cabin pressure at 14,250' +/- 750'
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CABIN PRESS PANEL - PRESS CONT switchlight
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1. Press once to enter manual mode, 2. Press twice to change pressure controllers
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CABIN PRESS PANEL - PRESS CONT FAULT
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Both cabin pressure controllers failed
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CABIN PRESS PANEL - PRESS CONT MAN
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Manual mode selected, removes electrical supply from both outflow valves, locks them in current position and allows manual (pneumatic) operation
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CABIN PRESS PANEL - Cabin pressure controllers switch when:
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1. Weight on wheels + 3 minutes, 2. One cabin pressure controller fails
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CABIN PRESS PANEL - MAN ALT switch
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Modulates outflow valves, used in manual mode
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CABIN PRESS PANEL - MAN RATE
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Pneumatically adjusts outflow valve rate during manual mode
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CABIN PRESS PANEL - CPAM Messages CABIN ALT Caution CABIN ALT Warning
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CABIN ALT Caution = cabin altitude 8500' to 9999', CABIN ALT Warning = cabin alt > 10000', at 14,000' Pax O2 masks deploy
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AIR CONDITIONING PANEL - PACK FAULT light
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Overpressure or over temperature, Left Pack 70%cockpit/30%cabin, Right Pack 30%cockpit/70%cabin
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AIR CONDITIONING PANEL - PACK OFF light
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Associated pack pressure regulating shutoff valve closes, no airflow into the pack
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AIR CONDITIONING PANEL - RAM AIR switch
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Provides ambient air to left conditioned air supply duct (cockpit). Press when directed by QRH or MEL. Primary purpose is avionics cooling
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AIR CONDITIONING PANEL - CARGO switch
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OFF- Off, FAN- Adds air from cabin, COND AIR- Adds heat
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ANTI-ICE PANEL - WING Anti-Ice Switch
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Controls operation of left and right wing (modulating and shutoff) valves. NORM – Anti-icing controller operates modulating/shutoff valves to maintain a constant wing leading edge temperature of 107 ± 8° C. OFF–Closes modulating/shutoff valves and shuts down air supply. STBY – Modulating/shutoff valves cycle open/closed to maintain wing leading edge temperature of 49 ± 4° C.
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ANTI-ICE PANEL - WING OVHT/DUCT FAIL Switchlight
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Used to test bleed air leak detection system and to indicate failures/overtemp conditions.
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ANTI-ICE PANEL - COWL LH/RH Switches
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Controls operation of cowl anti-ice shut-off valves.
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ANTI-ICE PANEL - DET ICE Switchlight
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ICE – Lamp illuminates amber to indicate airplane entry into icing conditions with both anti-icing systems not selected on. TEST – When switch is pressed, system is tested simulating an accumulation of ice on the ice detectors. This test also checks the probes heater system.
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ANTI-ICE PANEL - WSHLD LH/RH Switches
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Used to heat windshields and windows. HI – High temperature heat 41 °C to corresponding windshield (and low level 24 °C to side window). LOW – Low temperature heat 24 °C to corresponding windshield, and side window. RESET/OFF – Windshield and window heat not in use and resets corresponding overheat circuit.
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ANTI-ICE PANEL - WSHLD TEST Switch
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Used to test windshield anti-ice system; simulates a no-heat condition. MX function.
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ANTI-ICE PANEL - PROBES LH/RH Switches
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OFF – All probe heaters are off when there is no AC power online. ON – With AC power on-line or external power, probe heat is as follows: TAT – OFF, Static and AOA – ON, Pitot and Base – Half power heat, All probe heat turns ON with weight off wheels
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BLEED AIR PANEL - DUCT MON
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Used to check serviceability of detector loops in left and right sections of 10th and 14th stage systems. TEST – Tests 10th/14th stage loops by grounding loop to simulate a duct failure. LOOP A/B – Tests Loop A or B of 10th stage for continuity, to ensure that loop is not shorted to ground. NORM – Normal switch position. Leak detection on Loops A and B is provided.
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BLEED AIR PANEL - L/R 14th STAGE Switchlights
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Controls the 14th stage bleed air shutoff valves. DUCT FAIL – Indicates bleed air leak in applicable duct. Illuminates during duct monitor test. CLOSED – Indicates shutoff valves fully closed.
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BLEED AIR PANEL - 14th STAGE ISOL Switchlight
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OPEN – Indicates isolation valve has been selected open
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BLEED AIR PANEL - 10th STAGE L/R Switchlights
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When pressed in, associated bleed air shutoff valve opens and CLOSED (white) extinguishes. When pressed out, associated bleed air valve closes and CLOSED (white) illuminates. DUCT FAIL (red) – Illuminates if bleed leak detector sensors detect a failure in associated duct section. DUCT FAIL extinguishes when the failed duct is isolated and temperature sensor cools.
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BLEED AIR PANEL - APU LCV Switchlight
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OPEN – APU LCV selected open. FAIL – APU LCV open when commanded by the interlock protection circuit.
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BLEED AIR PANEL - 10th STAGE ISOL switchlight
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When pressed in, bleed air isolation valve opens and OPEN (white) illuminates.
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FUEL PANEL - L/R BOOST PUMP Switchlights
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Pressed in – For engine start, both boost pumps are activated. With both engines running, the pumps remain armed and automatically come on when low fuel pressure is detected in any engine feed line. The switchlights show ON when the pumps are operating. Pressed out – The boost pump is disarmed on the respective side. INOP light illuminates to indicate that a low pump pressure has been detected, the respective boost pump has not been armed, or has failed.
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FUEL PANEL - GRAVITY/XFLOW Switchlight
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Pressed in – Opens the balance line SOV, OPEN light illuminates. Pressed out – Closes the balance line SOV, OPEN light extinguishes. FAIL light illuminates to indicate the balance line SOV is not in the commanded position.
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FUEL PANEL - L/R XFLOW Switchlights (With AUTO OVERRIDE Switchlight pressed in, manual mode)
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Pressed in – Respective crossflow SOV opens and crossflow/APU pump goes on, ON light illuminates. Pressed out – Respective crossflow SOV closes and crossflow/APU pump goes off, ON light extinguishes.
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FUEL PANEL - L/R XFLOW Switchlights (With AUTO OVERRIDE Switchlight pressed out, automatic mode)
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ON light illuminates to indicate the respective SOV is open and the crossflow/APU pump is on. FAIL light illuminates to indicate the respective crossflow SOV is not in the commanded position or the crossflow/APU pump fails to go on with the left or right crossflow SOV selected open either manually or automatically.
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FUEL PANEL - AUTO OVERRIDE Switchlight
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Pressed in – XFLOW/APU pump is armed for manual crossflow, automatic crossflow is disabled. MANUAL light goes on. Pressed out – XFLOW/APU pump is disarmed for manual crossflow, automatic crossflow is enabled. MANUAL light goes out.
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APU PANEL - PWR FUEL switchlight
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Used to control APU fuel pump. When pressed in, crossflow/APU pump is energized, APU IN BITE, APU gauges energized, door scheduled to open, and APU fuel shut-off valve opens. PUMP FAIL (amber) light indicates that APU fuel pump has failed. SOV FAIL (amber) light indicates the APU fuel shut-off valve has failed.
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APU PANEL - START/STOP switchlight
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When pressed in, starter motor is energized and START light (white) illuminates. At 50% rpm, START light extinguishes. At 95% rpm, and 4 seconds later, AVAIL light (green) illuminates. When pressed out FCU shut-off valve closes, APU shuts down, and AVAIL light extinguishes.
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ENG INGNITION PANEL - L/R START switchlights
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Used to initiate engine start sequence. START (white) light indicates start is selected.
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ENG INGNITION PANEL - L/R STOP switchlights
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Used to stop engine start sequence. STOP (white) light indicates stop is selected.
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ENG INGNITION PANEL - IGNITION A and B
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ARM (green) – Arms respective ignition system on both engines. ON (white) – Indicates the ignition system is activated.
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ENG INGNITION PANEL - CONT
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Used to select continuous ignition of both ignitors on both engines. ON (white) light indicates continuous ignition is selected on.
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ENG INGNITION PANEL When is ignition A used and when is B used? What are their power sources? When is starter cutout?
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Ignition A on odd days, ignition B on even days. Ignition A is AC powered, ignition B is DC powered through a static inverter (can start on battery only, no AC power required). Starter cuts out at 55%
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FUEL PANEL - XFLOW FAIL
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valve is not in commanded position
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FUEL PANEL - BOOST PUMP INOP
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Boost pump not on. Low pressure. Boost pump failed
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FUEL PANEL - When is auto fuel transfer
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At 200# imbalance, fills to +50#
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FUEL PANEL - When is fuel transfered from center tank to main tanks?
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When main tanks reach 94% (4474#ea,8984#total) fuel is transferred from center tank to main tanks until mains reach 97% (4617#ea, 9234# total)
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FUEL PANEL - How does the fuel flow from center tank to engine?
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1. From center tank to main tanks via transfer ejectors 2. From main tanks to collector tanks (always full, hold 10gals) via scavenger ejectors 3. From collector tanks to engines via main ejectors. Ejectors assist w/motive flow
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HYDRAULIC PANEL (3 systems) System #3
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Largest reservoir, Serviced and located in right main wheel well, Cooled via a fuel heat exchanger in right wing (L wing contains bulk fuel temperature probes)
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HYDRAULIC PANEL Systems #1 and #2
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Located and service in aft equipment bay. Cooled by RAM air in flight thru RAM air inlet. Cooled by fans on ground thru RAM air inlet
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HYDRAULIC PANEL Describe Pumps
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2 Engine driven pumps (1A,2A), 4 AC Motor Pumps (1B,2B,3A,3B), 3A always on, 3B also powered by ADG, all pumps are on when flaps are out of 0 (critical phase of flight)
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HYDRAULIC PANEL Which pumps are lost during engine failure?
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Lost left engine, lose 1A & 2B. Lost Right engine, lose 2A & 1B
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HYDRAULIC PANEL Normal ops quantity and pressure:
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45-85% system quantity, 1800-3200 PSI
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