FAULT A and B LIGHTS (amber)

• malfunction detected within loop detector circuit on the affected engine

BOTTLE ARMING LIGHTS (amber)

• PULL FUEL OFF handle has been pulled • AFT or FWD fire extinguisher charged • EXTINGUISHER DISCHARGE switch armed • lights go out if the associated bottle is discharged or system is disarmed

EXG SWITCH

AFT BTL - discharges aft bottle extinguishant into the nacelle FWD BTL - discharges forward bottle extinguishant into the nacelle

PULL FUEL/HYD OFF HANDLE (red) (two-position - In or Out)

PUSHED IN - normal operations

• overheat condition, or fire detected in associated nacelle will illuminate the appropriate engine handle
• fuel and hydraulic shut-off valves open

PULL OUT - fuel and hydraulic shut-off valves close

• arms extinguisher system
• turns on bottle arm lights (yellow)

HYD SHUT-OFF VALVE LIGHTS (green, white)

OPEN (green) - hydraulic shut-off valve open CLOSED (white) - hydraulic shut-off valve closed

FUEL SHUT-OFF VALVE LIGHTS (green, white)

OPEN (green) - fuel shut-off valve open CLOSED (white) - fuel shut-off valve closed