General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Page 60
1-1
Jan 28/19
Table 8: Display area "1" top
29 Turn signal
indicator, right
Green Flashes when "right-turn signal" is
active.
30 Gearbox malfunction Red Lights up if there is a gearbox malfun-
ction.
31 Gear temperature Red Lights up if the temperature of the
gearbox is too high.
Pos. Picto-
gram
Designation Light color Description
Property of American Airlines