United B737 Engine Start Flow

Question 1

Packs

Answer 1

Off

Question 2

APU Bleed

Answer 2

On

Question 3

Engine Start Selector

Answer 3

GRD
Start the clock now.

Question 4

N1 rotation

Answer 4

Verify

Question 5

Increase in N2 RPM

Answer 5

Verify

Question 6

Engine start Lever

Answer 6

Idle detent at 25% N2

Question 7

Fuel Flow and EFT indication within 15 seconds

Answer 7

Verify
At 56% N2 RPM start switch moves to off.
Duct pressure…verify decreasing
START VALVE OPEN light…Verify dark
EGT Start limit…Verify engine stable at idel, start limit redline no longer visible.

Question 8

Engine Indications

Answer 8

Monitor