Electrical System SGR
Airplane General

  • Standby compass light
  • White dome lights
  • Emergency instrument flood lights
  • Flight crew oxygen
  • Passenger oxygen
Air Systems

  • A/C pack valves
  • BLEED TRIP OFF lights
  • Manual pressurization control
  • Altitude warning horn

737-700

  • PACK TRIP OFF lights

737-800/900

  • PACK lights
Anti-Ice

Option

  • Captain’s pitot probe heat
Electrical

  • STANDBY POWER OFF light
Engines, APU

  • Thrust reversers
  • Starter valves
  • Right igniters
  • APU operation (start attempts not
    recommended above 25,000 feet)
Fire Protection

  • APU and engine fire extinguisher
    bottles
  • APU and engine fire detection system
  • Cargo fire extinguisher bottle
Standby Power - Available Systems, Fire Protection, Lighting and Warnings
Fuel

  • Crossfeed valve
  • Engine fuel shutoff valves
  • Spar fuel shutoff valve
  • FUEL VALVE CLOSED lights
  • Fuel quantity indicators
Hydraulic Power

  • Engine hydraulic shutoff valves
  • Standby rudder shutoff valves

Landing Gear

  • Inboard antiskid system
  • ANTISKID INOP light
  • Parking brake
  • Air/ground system
  • Landing gear indicator lights
Warnings

  • Stall warning system
  • Aural warnings
  • Master caution light recall