Power Plant CFM-56-3B1, 20k lbs thrust

Question 1

When must the ignition be turned on or set to continuous?

Answer 1

Set to continuous for takeoff and landing with engine anti-ice on.
Must be on for takeoff and landing (SW)

Question 2

When must the PMC’s be turned on or off?

Answer 2

Both must be on for takeoff.

Note: if one PMC is inoperative, the other must be off for takeoff

Question 3

Max N1?

Answer 3

Redline, 106%

Question 4

Max N2?

Answer 4

Redline, 105%

Question 5

Max EGT for engine start?

Answer 5

725° C

Question 6

Max continuous engine EGT?

Answer 6

amberline, 895° C

Question 7

Max EGT for takeoff or go-around?

Answer 7

Redline, 930° C

Question 8

Minimum engine oil pressure?

Answer 8

Redline, 13 p.s.i.

Question 9

Max continuous engine oil temperature?

Answer 9

Amberline, 160° C

Question 10

Max allowable engine oil temperature for 15 minutes?

Answer 10

Amberband, 160 to 165° C

Question 11

Max engine oil temperature?

Answer 11

Redline, 165° C

Question 12

Max time allowed at takeoff thrust?

Answer 12

5 minutes

Question 13

Minimum duct pressure prior to engine starter engagement?

Answer 13

30 p.s.i.g. at sea level, decreasing 1/2 p.s.i.g. per 1,000 ft.

Question 14

Starter duty cycle limit for normal start?

Answer 14

2 minutes on, 20 seconds off

2 minutes on, 3 minutes cooling before next and each subsequent attempt.

Question 15

Motoring with fuel off limit?

Answer 15

15 minutes

Question 16

When can reverse thrust be used?

Answer 16

Ground use only

Question 17

Max generator drive oil temp rise?

Answer 17

20°C