APU Panel

Question 1

APU PANEL

Q:​ What does​ the​ green​ AVAIL​ light on the​ APU​ START​ pushbutton​ indicate? ​

Answer 1

Ref: (FOM VOL. III-DSC-49-20) ​

APU​ N is above 99.5% or 2​ secs after N​ reaches​ 95%

Question 2

APU PANEL

Q:​ With the​ APU​ green AVAIL​ light ON​ and​ the​ EXT PWR green​ AVAIL​ light on,​ which system is​ powering ​the​ aircraft?​ ​

Answer 2

Ref: (FOM VOL. III-DSC- 24-10-30-10, FOM VOL.​ III-DSC-24-20)​ ​

APU

Question 3

APU PANEL

Q:​ How long should you​ wait to push​ the​ APU​ START​ pushbutton after​ engaging the APU​ MASTER switch?​ ​

Answer 3

Ref: (FOM VOL. II, Section​ 3.05) ​

3 sec​

Question 4

APU PANEL

Q:​ What does​ an​ amber FAULT light in the​ APU​ MASTER SW pushbutton indicate?​ ​

Answer 4

Ref: (FOM VOL.​ III-DSC-49-20) ​

The​ Electronic Control Box​ (ECB)​ commanded an​ auto shutdown of​ the​ APU​

Question 5

APU PANEL

Q:​ What does​ an​ amber FAULT light in the​ APU​ BLEED pushbutton​ indicate?​ ​

Answer 5

Ref: (FOM VOL. III-DSC-36-20) ​

An APU​ bleed leak