TM 55-1510-219-MTF
c.
Defective wiring.
d.
Defective power supply.
C42.
Fuel crossfeed valve inoperative or FUEL PRESS
annunciator light remains illuminated.
a.
Defective standby fuel pump.
b.
Defective crossfeed valve.
C43.
Standby fuel pump inoperative.
a.
Defective standby pump circuit breaker.
b.
Defective switch in fuel management panel.
c.
Defective wiring.
C44.
Pneumatic surface or antenna deice system inoperative.
a.
Defective surface deice module.
b.
Defective deice distributor valve.
c.
Defective plumbing.
d.
Defective boot.
C45.
Right and left FIRE PULL warning lights do not illuminate
in any test position of fire protection test switch.
a.
Tripped fire detector circuit breaker.
b.
Defective fire protection test switch.
c.
Defective wiring.
C46.
Engine fire detection system wholly or partially
inoperative.
a.
Defective fire detector.
b.
Defective fire protection test switch.
C47.
Fire detector circuit breaker trips.
a.
Short circuit in wiring or components.
C48.
Left FIRE PULL warning light illuminates in all t est
positions but right FIRE PULL warning light does not.
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