* SEE WDM EQUIPMENT LIST
Power Plant - Component Index
Figure 101 (Sheet 4)

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A / PW4000 SERIES /
747-400 / ENGINES/FAULT ISOLATION/MAINT MANUAL ////////////////////////
COMPONENT  SHT 102 FIG.  QTY  ACCESS/AREA  REFERENCE 
TRAP - ENGINE 1 2.5 BLEED VALVE ACTUATOR 5  1  415, ANGLE GEARBOX  71-71-00 
DRAIN LINE FLUID 
TRAP - ENGINE 2 2.5 BLEED VALVE ACTUATOR 5  1  425, ANGLE GEARBOX  71-71-00 
DRAIN LINE FLUID 
TRAP - ENGINE 3 2.5 BLEED VALVE ACTUATOR  5  1  435, ANGLE GEARBOX  71-71-00 
DRAIN LINE FLUID
TRAP - ENGINE 4 2.5 BLEED VALVE ACTUATOR  5  1  445, ANGLE GEARBOX 71-71-00 
DRAIN LINE FLUID
VENT - ENGINE 1 IDG THERMAL RELIEF  5  1  416, DRAIN COLLECTOR  71-71-00 
VENT - ENGINE 2 IDG THERMAL RELIEF  5  1  426, DRAIN COLLECTOR  71-71-00 
VENT - ENGINE 3 IDG THERMAL RELIEF  5  1  436, DRAIN COLLECTOR  71-71-00 
VENT - ENGINE 4 IDG THERMAL RELIEF  5  1  446, DRAIN COLLECTOR  71-71-00 
VENT - ENGINE 1 INLET COWL PRESSURE RELIEF  1  1  411, INLET COWL  71-11-03 
VENT - ENGINE 2 INLET COWL PRESSURE RELIEF  1  1  421, INLET COWL  71-11-03 
VENT - ENGINE 3 INLET COWL PRESSURE RELIEF  1  1  431, INLET COWL  71-11-03 
VENT - ENGINE 4 INLET COWL PRESSURE RELIEF  1  1  441, INLET COWL  71-11-03 
VENT - ENGINE 1 PRECOOLER EXHAUST  1  1  417, CORE COWL PANEL  71-11-00 
VENT - ENGINE 2 PRECOOLER EXHAUST  1  1  427, CORE COWL PANEL  71-11-00 
VENT - ENGINE 3 PRECOOLER EXHAUST  1  1  437, CORE COWL PANEL  71-11-00 
VENT - ENGINE 4 PRECOOLER EXHAUST  1  1  447, CORE COWL PANEL  71-11-00 

* SEE WDM EQUIPMENT LIST
Power Plant - Component Index
Figure 101 (Sheet 5)

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A / PW4000 SERIES /
747-400 / ENGINES /FAULT ISOLATION/MAINT MANUAL ////////////////////////
PT2/TT2 SENSOR CUTOUT

FAN COWL PANELS
PRECOOLER EXHAUST VENT
PRESSURE RELIEF DOOR OF THE CORE COWL (4 LOCATIONS) HOLD-OPEN ROD FOR THE CORE COWL

SEE INLET COWL

SHT 2 PRESSURE RELIEF DOOR OF THE FAN COWL CORE COWL LATCH
SEE

SHT 2
HOLD-OPEN ROD
FOR THE FAN COWL

SEE

SHT 2 FAN COWL LATCH

PRESSURE RELIEF SEE

SHT 2 VENT OF THE INLET COWL
Power Plant - Component Location
Figure 102 (Sheet 1)

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A / PW4000 SERIES /
747-400 / ENGINES /FAULT ISOLATION/MAINT MANUAL ////////////////////////

ENGINE COWLING

Power Plant - Component Location (Details from Sht 1)
Figure 102 (Sheet 2)

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