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KaiserAir 737 > 737 Electrical Panel > Flashcards

Flashcards in 737 Electrical Panel Deck (12)
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1
Q

Overhead - Electrial Meters

A

BAT DISCHARGE

  • Excessive battery discharge detected with BAT switch ON
  • Normal during APU start (using ship’s battery)
2
Q

Overhead - Elect Meter ELEC

A

Illuminates if fault exists in the DC or standby power system.

3
Q

Overhead Bus Switching Panel - GEN OFF BUS

A

Illuminated means the IDG is not supplying power to it’s related transfer bus.

4
Q

Aft Overhead - DC FAIL

A

Illuminated when IRS has lost it’s backup DC power.

If BOTH illuminate the hot battery bus is not powered or the battery is almost dead.

5
Q

Aft Overhead - ON DC

A

Illuminated - IRS is not operating on DC power from the hot bat bus.

Will illuminate during aligment for 5 sec.

6
Q

OVERHEAD Bus Switch Panel SOURCE OFF

A

No electrical source has been manually selected.

7
Q

Electrical Meters TR Unit

A

Illuminates on ground if any TR has failed

Illuminates in flight if TR1, or TR2 AND TR3 have failed.

8
Q

Overhead - STBY PWR Panel - STANDBY

A

Indicates these buses being unpowered:

DC standby bus

AC standby bus

Battery bus

9
Q

Transfer Bus Off

A

Transfer Bus is not powered

10
Q

How does the EEC get its own power?

A

Trips on at 15% N2 spool

11
Q

What are the 3 different idles of the EEC?

A

GND

FLIGHT

APCH

12
Q

How are the ignitors powered?

A

Left: Respective Transferbus

Right: AC Standby bus