DOOR HANDLE (REF)
A
CENTER WING TANK
A
ACCESS DOOR
ACCESS DOOR
(EXAMPLE)

A
MOLDED
CAPTIVE

RUBBER
NUT

SEAL FRONT SPAR (REF)
CENTER WING TANK
ACCESS
LOWER  ACCESS DOOR
DOOR BOLT CLAMP WING
RING
SKIN  B
A-A
Storage - Component Location Figure 102 (Sheet 1)
G83153
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A
747-400 FAULT ISOLATION/MAINT MANUAL
HIGH IMPACT RESISTANT ACCESS DOOR (7 LOCATIONS)

SURGE TANK ACCESS DOOR
(EXAMPLE)

C

Storage - Component Location
Figure 102 (Sheet 2)

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A
747-400 FAULT ISOLATION/MAINT MANUAL
FUEL SUMP DRAINCENTER WING TANK SEAT PRIMARY PACKINGWING

POPPET SKIN (REF)
B-B
Storage - Component Location Figure 102 (Sheet 3)
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A

747-400 FAULT ISOLATION/MAINT MANUAL 
FUEL SUMP DRAIN LINE 
LOWER WING SKIN (REF)  C  FITTING  SPRING FUEL SUMP DRAIN VALVE 
SECONDARY POPPET 
C  FUEL SUMP DRAIN VALVE 
FUEL SUMP DRAIN (EXAMPLE)  PACKING 
E  FROM SHT 3 
LOWER WING SKIN (REF)  SEAT  PRIMARY POPPET 
BONDING JUMPER  C-C 

INBD  TANK END  FUEL SUMP DRAIN LINE 
FWD 
FUEL SUMP DRAIN LINE (EXAMPLE)  DRAIN VALVE INLET 
F  FROM SHT 3 

Storage - Component Location
Figure 102 (Sheet 4)

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747-400 FAULT ISOLATION/MAINT MANUAL

Storage - Component Location
Figure 102 (Sheet 5)

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747-400 FAULT ISOLATION/MAINT MANUAL
OVERWING
FILL PORT

SEE H
CENTER WING TANK PURGE DOOR
SEE I
FILLER CAP
MOUNTING BOLTS
LANYARD
FILLER
0-RING PORT
PURGE DOOR UPPER WING
LANYARD SKIN
ATTACHMENT HOLE
REAR SPAR
OVERWING FILL PORT (EXAMPLE) CENTER WING TANK PURGE DOOR
H I

Storage - Component Location
Figure 102 (Sheet 6)

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