TM 1-1520-238-T-4
4124
442.
ENGINE 2 NG DOES NOT REMAIN STABLE WITH CKT B SWITCH CLOSED
442
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
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions
L140 fairing removed
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.
Check for short between (A78): J16 and J18.
Does short exist?
YES
Replace pilot EMERG PWR
CHK OVSP TEST panel
(TM 1-1520-238-23).
NO
Refer to TM 55-2840-248-23 to
troubleshoot engine 2.
END OF TASK