Landing gear (mechanical) warning horn fails to shut off when landing gear is extended.

TM 55-1510-218-MTF

between landing gear control switch and

horn relay.

C32.

Landing gear (mechanical) warning horn fails to

shut off when landing gear is extended.

a. Defective or out of adjustment down-lock

switches.

C33. Landing gear (mechanical) down position indica-

tor lights are illuminated with landing gear re-

tracted.

a. defective or out of adjustment down lock

switch.

b. Wrong connection in light test circuit.

c. Ground between light and down lock switch.

C34. Landing gear (mechanical) down position indica-

tor light inoperative.

a. Defective or out of adjustment down lock

switch.

C35. Landing gear (mechanical) handle light is illu-

minated with gear up and locked.

a. Defective or out of adjustment up-lock

switch.

C36. Landing gear (mechanical) handle light inopera-

tive.

a. Defective or out of adjustment up-lock or

down-lock switch.

b Defective landing gear control switch.

C37. Flaps fail to extend or retract.

a. Tripped cicuit breaker.

b. Defective flap motor.

c. Defective flap control switch.

d. Defective mechanical component in actuator

system.

e. Defective wiring.

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