Electrical Flashcards Preview

767 > Electrical > Flashcards

Flashcards in Electrical Deck (7)
Loading flashcards...
1
Q

When will the DRIVE light and L/R GEN DRIVE EICAS message be displayed

A

High IDG oil temp

Low IDG oil pressure

2
Q

What is powered on the hot battery bus

A
Fire extinguisher bottles
Fuel shut off valves
Clocks
RAT manual deploy
Parking break valve
3
Q

Which buses can be powered by the standby power system

A

Battery bus
Hot battery bus
Standby AC and DC buses

4
Q

What would cause an IDG to disconnect

A

GEN DRIVE DISC switch pressed

Automatic thermal disconnect due to high oil temp (some a/c)

5
Q

What items shead when the first start selector is moved to the GND position

A

Both utility buses

6
Q

Once disconnected, the IDG can only be reset how?

A

on the ground by maintenance personnel.

7
Q

The ground handling bus can only be powered from:

A

the APU generator or external power, and is not powered in flight.