Abnormal Starts

Question 1

TIMS

Answer 1

Thrust lever shut off
continuous Ignition off
Motor as required
Stop starter

Question 2

No light off action

Answer 2

Motor the entire 90 seconds

Question 3

Hot Start action

Answer 3

Motor until below 120 C

Question 4

What does “No Light Off” start abnormality mean?

Answer 4

Fails to ignite and allow combustion to begin

Question 5

What does “Hot Start” start abnormality mean?

Answer 5

Fuel introduced, combustion starts to occur, ITT temp rise, and trend toward max limit

Question 6

What does a “Hung Start” abnormality mean?

Answer 6

Occurs when N2 section doesn’t accelerate beyond 50%

Question 7

What does a “No Starter Cutout” amber message start abnormality mean?

Answer 7

During engine start, starter fails to disengage

Question 8

No light off indication

Answer 8

Will see very little to no rise in ITT

Question 9

Hot start indication

Answer 9

Will see ITT temp rise (rapidly or slowly) and trend toward max limit

Question 10

Hung start indication

Answer 10

During start sequence, N2 will stagnate and not accelerate beyond 50% (points down)

Question 11

No starter cutout indication

Answer 11

ENGINE START L/R message does not disappear during start as N2 rises above 50%