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Alaska Boeing 737 MAX > 07 - Engines, APU > Flashcards

07 - Engines, APU Flashcards

1
Q

ENGINES, APU
1. Which system regulates the engine?

A

A dual-channel Electronic Engine Control (EEC)

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2
Q
  1. What is the indication an EEC is operating in normal mode?
A

White ON lights are the only lights illuminated on the associated EEC switch on the engine panel

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3
Q
  1. What are the indications of EEC hard alternate and soft alternate modes?
A

Indication of Soft Alternate mode is the amber ALTN switch illuminates and the white ON indication remains visible
- In Hard alternate mode, only the amber ALTN remains illuminated

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4
Q
  1. The EECs provide redline overspeed protection for which engine parameters(s)?
A

N1 & N2

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5
Q
  1. When do the EECs select approach idle for the operating engine?
A
  • With flaps 15 or greater, or
  • Any time the flaps are not fully retracted and engine anti-ice is on
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6
Q
  1. What does the ENGINE CONTROL light indicate and when is it armed?
A

A non-dispatchable fault in the EEC. It operates when;
- the respective engine is operating,
- aircraft on the ground, and
- below 80 kts prior to takeoff, or 30 seconds after touchdown

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7
Q
  1. When is the ENG FAIL alert displayed?
A
  • The respective engine is operating at a condition below sustainable idle (63% N2), and
  • the engine start lever is in the IDLE position
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8
Q
  1. How are the secondary engine instruments toggled?
A

ENG is selected on the Multi-Function Display panel

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9
Q
  1. How are EGT redline exceedances indicated?
A

The digital readout, box, needle, and indicator change to red

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10
Q
  1. How is an EGT exceedance displayed after engine shutdown?
A

A box the color of the exceedance (red or amber) displays around the digital readout where the exceedance occurred

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11
Q
  1. How is the N1/SPD REF SET page displayed on the Max Display System?
A

By selecting INFO on the MFD panel on the forward electronic panel

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12
Q
  1. What does the THRUST crew alert on the Engine Display indicate?
A

The associated engine thrust is more or less than the commanded thrust

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13
Q
  1. What are the indications of reverse thrust on the Engine Display?
A
  • Amber REV indicates the associated thrust reverser is moved from stowed position
  • Green REV indicates the thrust reverser is deployed
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14
Q
  1. What does selecting FUEL USED display?
A

Fuel used since the last reset

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15
Q
  1. What does the illumination of the FUEL FLOW crew alert indicate?
A

Fuel flow is abnormally high when compared to the FMC-expected fuel flow

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16
Q
  1. What does the illumination of the OIL FILTER BYPASS light indicate?
A

Impending bypass of oil supply filter

17
Q
  1. Which engine start ignitor is available on standby power?
A

Right

18
Q
  1. The auto-relight function of the Engine Start System is available when the engine start switches are in which position(s)?
A

Any position

19
Q
  1. What does MOTORING on the N2 indicator indicate?
A

Bowed Rotor Motoring is active

20
Q
  1. Which start malfunction(s) do the EECs monitor for during engine start?
A
  • Impending hot starts
  • engine stalls
  • EGT start limit exceedances
  • wet starts
21
Q
  1. How is an impending hot start indicated during engine starting?
A

White box surrounding the EGT digital readout flashes white

22
Q
  1. What does the illumination of the REVERSER LIMITED light indicate?
A
  • In flight; a fault in the thrust reverser system that limits reverse thrust. Thrust reverse will not deploy or will be limited to idle
  • On ground; indicates a malfunction has occurred
23
Q
  1. What does the illumination of the REVERSER COMMAND light indicate?
A

The reverse thrust lever is not in the down position in flight

24
Q
  1. What does the APU provide?
A

Electric and pneumatic power on ground and in flight.
- Bleed air up your 17,000’
- Electric up to 41,000’
- Both up to 10,000’

25
Q
  1. Does the APU require the BAT switch to be on to operate?
A

Yes

26
Q
  1. How long should the APU run after illumination of the APU GEN OFF BUS light before
    opening the APU bleed valve?
A

2 minutes

27
Q
  1. How long should a pilot wait after the APU switch is selected OFF before selecting the BAT switch OFF?
A

3 minutes

28
Q
  1. What will cause the automatic shutdown of the APU?
A

• RPM overspeed conditions
• low oil pressure
• high oil temperature
• APU fire
• Fuel Control Unit failure
• EGT exceedance, and
• other system faults monitored by the ECU

  • Turning BAT switch OFF?

Alaska Boeing 737 MAX (19 decks)

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