TM 55-1520-240-T
FAILURE SYMPTOM LIST (Continued)
AC POWER SYSTEM
SYMPTOM
TASK
GEN 1 CAPSULE STAYS ON (GENERATOR SWITCH IN TEST)
(WITH 74)
9-2.4
NO. 1 OR NO. 2 GENERATOR OFF CAPSULE OUT (WITHOUT
74)
9-2.4
GEN 1 AND GEN 2 CAPSULES OUT (WITH 74)
9-2.4
NO. 1 OR NO. 2 RECT OFF CAPSULE ON WHEN GEN NO. 1
OR NO. 2 SWITCH TURNED OFF (WITHOUT 74)
9-2.4
SYMPTOM
TASK
POS CIRCUIT BREAKER DOES NOT STAY CLOSED
9-3.3
SYMPTOM
TASK
COPILOT'S LANDING LIGHT DOES NOT COME ON
9-4.4
COPILOT'S LANDING LIGHT DOES NOT EXTEND OR DOES
NOT FULLY EXTEND
9-4.4
COPILOT'S LANDING LIGHT WILL NOT RETRACT WITH CO-
PLT SLT CONT SWITCH
9-4.4
LANDING LIGHT DOES NOT RETRACT OR DOES NOT FULLY
RETRACT INTO HOUSING
9-4.4
SYMPTOM
TASK
FORM CIRCUIT BREAKER DOES NOT STAY CLOSED
9-5.3
SYMPTOM
TASK
NORMAL FORM CIRCUIT BREAKER DOES NOT STAY
CLOSED
9-5.9
NORMAL FORMATION LIGHT OR LIGHTS NOT ON AT DIM
9-5.9
NORMAL FORMATION LIGHTS OUT OR DO NOT GET
BRIGHTER AT INTERMEDIATE OR BRT POSITIONS
9-5.9
SYMPTOM
TASK
RECT 1 OR RECT 2 CAPSULE ON WHEN GEN NO. 1 OR NO.
2 SWITCH TURNED OFF (WITH 74)
9-2.4
NO. 2 GENERATOR OFF CAPSULE IS ON (GENERATOR
SWITCH ON) (WITHOUT 74)
9-2.4
GEN 2 CAPSULE IS ON (GENERATOR SWITCH ON) (WITH
74)
9-2.4
POSITION LIGHTS
SYMPTOM
TASK
POSITION LIGHT OR LIGHTS NOT LIT AT BRT
9-3.3
LANDING LIGHTS (SEARCHLIGHTS)
SYMPTOM
TASK
PILOTS LANDING LIGHT DOES NOT COME ON
9-4.4
PILOT'S LANDING LIGHT DOES NOT EXTEND OR DOES NOT
FULLY EXTEND
9-4.4
PILOT'S LANDING LIGHT WILL NOT RETRACT WITH PLT SLT
CONT SWITCH
9-4.4
PILOTS OR COPILOT'S LANDING LIGHT WILL NOT ROTATE
CLOCKWISE OR COUNTERCLOCKWISE
9-4.4
FORMATION LIGHTS (WITHOUT 17)
SYMPTOM
TASK
FORMATION LIGHT OR LIGHTS NOT ON AT DIM
9-5.3
FORMATION LIGHTS (WITH 17)
SYMPTOM
TASK
NVG FORM CIRCUIT BREAKER DOES NOT STAY CLOSED
9-5.9
NVG FORMATION LIGHT OR LIGHTS NOT ON AT DIM
9-5.9
SYMPTOM
TASK
NO. 2 GENERATOR OFF CAPSULE STAYS ON (GENERATOR
SWITCH IN TEST) (WITHOUT 74)
9-2.4
GEN 2 CAPSULE STAYS ON (GENERATOR SWITCH IN TEST)
(WITH 74)
9-2.4
SYMPTOM
TASK
POSITION LIGHT OR LIGHTS NOT LIT AT DIM
9-3.3
SYMPTOM
TASK
SLT CONT CIRCUIT BREAKER (CO-PILOT'S) DOES NOT
STAY CLOSED
9-4.4
SLT CONT CIRCUIT BREAKER (PILOT'S) DOES NOT STAY
CLOSED
9-4.4
SLT FIL CIRCUIT BREAKER DOES NOT STAY CLOSED
9-4.4
SYMPTOM
TASK
FORMATION LIGHTS OUT OR DO NOT GET BRIGHTER AT
INTERMEDIATE OR BRT POSITIONS
9-5.3
SYMPTOM
TASK
NVG FORMATION LIGHTS OUT OR DO NOT GET BRIGHTER
AT INTERMEDIATE OR BRT POSITION
9-5.9
9-2.2 Change 19
