QRH Procedures

Question 1

Why do you maintain at least 250kts in a dual engine failure?

Answer 1

To keep the airplane within the relight envelope

Question 2

Why do we go to Low 1 in a dual engine failure?

Answer 2

To turn on the AC fuel pump in the right wing and open up the cross feed valve to provide positive pressure to the left side. Only AC fuel pump 2 and DC fuel pump are available in an electrical emergency

Question 3

Will flaps/slats work in an electrical emergency?

Answer 3

Yes, but at a low rate and a maximum setting of 3

Question 4

What altitude causes a cabin altitude high message?

Answer 4

9,700’