Electrical Systems

Question 1

Load Shedding Order, if system is overloaded.

Answer 1

1. Galley bus and Main bus on Txfr 2
2. Galley and Main on Txfr 1
3. IFE bus

Question 2

Manual restoration of buses can be attempted if systems fail to automatically restore the shed buses. How?

Answer 2

Cycling the CAB/UTIL Power switch.

Question 3

APU is only source of AC in flight?

Answer 3

All galleys and mains are shed; if still overload, IFE buses are next.