TM 1-1520-238-T-4
4108
427.
CHIPS ENG 1 INDICATOR IS LIGHTED
427
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairers
Multimeter, Digital
AN/PSM-45
Personnel Required:
68F
Aircraft Electrician
References:
TM 1-1520-238-23
TM 55-2840-248-23
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
1. Detach P18 from pilot caution/warning panel.
Is CHIPS ENG 1 indicator lighted?
YES
Replace pilot caution/warning
panel (TM 1-1520-238-23).
NO
Go to step 2.
2. Detach P21. Check for short between P1829
and ground.
Does short exist?
YES
Repair shorted wire.
Go to paragraph 412.
NO
Go to step 3.
3. Detach P45. Check for short between P2144
and ground.
Does short exist?
YES
(ABY) Repair shorted wire.
Go to paragraph 412.
(ABZ) Replace wire harness
(TM 1-1520-238-23).
NO
Refer to TM 55-2840-248-23 to
service engine 1 chip detector.
END OF TASK