Systems - Engine

Question 1

When is a derated takeoff not allowed?

Answer 1

Contaminated runways
Anti skid inop
Performance requirements (procedural or windshear)
EEC in Alternate Mode

Question 2

When is bump thrust used?

Answer 2

Only authorized for performance limited takeoffs

Question 3

When are secondary engine parameters automatically displayed?

Answer 3

• When DU is initially powered on
• In flight when engine start lever is moved to cut off
• In flight when engine fails
• When a secondary engine parameter is exceeded

Question 4

When is the reverse thrust level able to transition from idle detent to detent 1 and further to detent 2

Answer 4

Idle detent - When forward thrust lever in fully in idle position

Detent 1 - When thrust reverser reaches 60% deployment

Detent 2 - When thrust reverser reaches a fully open state

Beyond detent 2 is available only for non normal applications

Question 5

Engine starter malfunctions

Answer 5

No N1 indication before start lever is raised to IDLE

No oil pressure when engine stabilizes

No increase in EGT within 15 SEC of selecting start switch to IDLE

No or little increase in N1 or N2 after EGT indication

EGT rapidly approaching or exceeds the start limit

Question 6

What is Max and Min Oil QTY

Answer 6

Max 19 quarts

Min for dispatch 13 quarts

Min for ETOPS dispatch 18 quarts

Question 7

Engine warm up recommendations

Answer 7

Run engines for at least 2 min prior to takeoff

Use thrust settings normally used for taxi

Question 8

Engine cool down recommendations

Answer 8

Run engine for at least 3min before shutdown

Question 9

REVERSER annunciator light time limit

Answer 9

12 sec