Thrust Reversers

Question 1

Thrust reverse activated

Answer 1

Thrust lever commands EEC to open an isolation valve which allows hydraulic pressure to move the translating sleeve aft

Question 2

Amber

Answer 2

Transit

Question 3

Green

Answer 3

Fully deployed

Question 4

Idle thrust position

Answer 4

Disengages AT

Engages auto speed brake, which drives the speed brake lever to up

Question 5

Idle reverse position

Answer 5

Disengages autothrottle

Engages auto speed brakes if speed brake was not armed

Question 6

Blank thrust reverser indication

Answer 6

Not present or invalid

Question 7

EECs can detect failures in advance

Answer 7

ENG REVERSER MSG
Error on ground, engine running, fault in reverser system

ENG REVERSER LIMITED
Air or ground
Reverser will fail to deploy or will be limited to idle thrust

Question 8

If not fully deployed

Answer 8

No green will,stay amber and that particular reverser will not be able to be deployed beyond idle reverse