Electrical 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.