TM 1-1510-224-MTF
C39.
One portion of interior lighting or lighting control system
inoperative.
a.
Defective light circuit board.
b.
Defective light bulbs.
c.
Defective components in overhead control panel.
d.
Defective power supply.
C40.
Fuel
crossfeed
valve
inoperative
or
FUEL
PRESS
annunciator light remains illuminated.
a.
Defective standby fuel pump.
b.
Defective crossfeed valve.
C41.
Standby fuel pump inoperative.
a.
Defective standby pump.
b.
Defective switch in fuel management panel.
C42.
Pneumatic surface or antenna deice system inoperative.
a.
Defective surface deice time delay module.
b.
Defective deice distributor valve.
c.
Defective plumbing.
d.
Defective boot.
C43.
Right and left FIRE PULL warning lights do not illuminate in
test position of fire protection test switch.
a.
Tripped fire detector circuit breaker.
b.
Defective fire protection test switch.
c.
Defective wiring.
C44.
Engine fire detection system wholly or partially inoperative.
a.
Defective sensing tube.
b.
Defective fir detector.
c.
Defective ENG FIRE TEST switch.
3-13
