Pushback and Engine Start

Question 1

Where is the underload found?

Answer 1

Second page on load sheet on EFB

Question 2

What is the allowance on different FLEX temps on EFBs

Answer 2

+- 1 degree

Question 3

What’s the maximum allowable speed difference between vspeeds on EFBs

Answer 3

+- 1 kt

Question 4

After the performance what’s the sequence of actions

Answer 4

Seating positions, MCDU (perf/f-pln), windows, bording complete (LMC), PA, EXT pwr, Doors and slides

Question 5

Sequence of push/start

Answer 5

Final checks from Ground
Clearance from ATC
Beacon - transponder
Before start cx
Pushback (ground)

Question 6

If OETD when do you start engines?

Answer 6

After pushback

Question 7

If there’s a fuel leak?

Answer 7

Engine must run idle for 5 min if leak stops no investigation needed

Question 8

If the electrical power is interrupted

Answer 8

Master off, Dry crank for 30 secs

Question 9

At what N2 is the igniter activated

Answer 9

16% CEO
20% NEO

Question 10

Start valves and igniter closes at what N2

Answer 10

50% and 55%

Question 11

Idle parameters

Answer 11

N1 19-20%
N2 59% CEO / 68% NEO
EGT 390* / CEO 520*
FF 275 kg/h CEO / 290 kg/h NEO

Question 12

When do the pack valves reopen after second engine start?

Answer 12

30 secs after 50% N2

Question 13

To avoid thermal shock how long does engine need to be idle or near idle before takeoff

Answer 13

3 minutes, 5 minutes if below -29 degrees c

Question 14

What is the ice shedding procedure?

Answer 14

Parking brake ON, accelerate engines to 70% for 30s at intervals
50% for 5s at intervals (NEO)

Question 15

Allowable neutral rudder trim indication

Answer 15

+-0.3

Question 16

Flaps procedure in icing?

Answer 16

Maintain retracted until holding point