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RELAY - HOOK POSITION, YABK01  - 1  822R, AFT CARGO DOOR  * 
SOLENOID - ELECTRIC CARGO DOOR RESTRAINT, YABL01  5  1  822R, AFT CARGO DOOR  52-34-11 
SPRING - HOOK RETURN  5  1  822R, AFT CARGO DOOR  52-34-20 
SWITCH - AFT CARGO DOOR CONTROL, M712  7  1  142ARR, EXT AFT CARGO DOOR CONT  52-34-10 
SWITCH - AFT CARGO DOOR, S788  1  822R, AFT CARGO COMPARTMENT  * 
SWITCH - DOOR CLOSE, YABS07  3  1  822R, AFT CARGO DOOR 52-34-09 
S302 SWITCH - AFT CARGO COMPARTMENT - DOOR UP,  2  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - HOOK CLOSE, YABS08  3  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - HOOK POSITION, YABS05  5  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - LATCH CLOSED, YABS04  3  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - LATCH OPEN, YABS10  7  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - MASTER LATCH LOCK, YABS02  3  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - FWD MIDSPAN LATCH OPEN, YABS06  2  1  822R, AFT CARGO DOOR  52-34-09 
SWITCH - AFT MIDSPAN LATCH OPEN, YABS09  2  1  822R, AFT CARGO DOOR 52-34-09

 * SEE THE WDM EQUIPMENT LIST
Aft Cargo Door - Component Index
Figure 101 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
JUNCTION
DOOR UP SWITCH BOX, YAAJB1
SEE B SHT 2
PRESSURELIFT ACTUATOR
RELIEF DOOR
SEE A SHT 2

SEE C SHT 2
MID SPAN LATCH
HOOK
OPEN SWITCH (AFT)

MECHANISM
SEE D SHT 2

SEE J SHT 4 HOOK CLOSE MID SPAN LATCH
SWITCH OPEN SWITCH (FWD)
SEE E SHT 3 SEE D SHT 2 MASTER LATCH MASTER LATCH
LOCK SWITCH LOCK HANDLE
SEE F SHT 3
SEE N SHT 7 DOOR CLOSE SWITCH RESTRAINT
SEE G SHT 3SOLENIOD
LATCH MECHANISMSEE M SHT 5
LATCH CLOSE
SEE I SHT 4HOOK POSITION SWITCH SWITCH LATCH OPEN
SEE H SHT 3
SWITCH
SEE L SHT 5 SEE P SHT 7
FORWARD CARGO DOOR, 821R
LIFT ACTUATOR
SEE A SHT 2
JUNCTION
BOX, YABJB1

PRESSURE RELIEF DOOR
DOOR UP SWITCH SEE C SHT 2
SEE B SHT 2 MID SPAN LATCH OPEN SWITCH (AFT)HOOK MECHANISM SEE D SHT 2
SEE J SHT 4 HOOK CLOSE SWITCH
MID SPAN LATCH
SEE E SHT 3
OPEN SWITCH (FWD)

MASTER LATCH
SEE D SHT 2

LOCK SWITCH
SEE F SHT 3
MASTER LATCH
LOCK HANDLE

LATCH LATCH OPEN SEE N SHT 7
MECHANISM SWITCH
RESTRAINT SEE I SHT 4 SEE P SHT 7 SOLENIOD
LATCH CLOSE SEE M SHT 5
SWITCH
DOOR CLOSE SWITCH SEE H SHT 3
HOOK POSITION
SWITCH

SEE G SHT 3 SEE L SHT 5
AFT CARGO DOOR, 822R
Forward/Aft Cargo Doors - Component Location
Figure 102 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
ROTARY ACTUATOR (REF)

PRESSURE RELIEF DOOR  MIDSPAN LATCH OPEN SWITCH

 

Forward/Aft Cargo Doors - Component Location (Details from Sht 1)

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 ALL  ú ú 03 Page 104 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
FAULT ISOLATION/MAINT MANUAL

DOOR BEAM (REF)
ADJUSTMENT
BOLT (REF)

STRIKER ARM
SWITCH (REF)
MOUNTING NUTS (REF)
MASTER LATCH LOCK SWITCH, YAAS02,YABS02
ADJUSTMENT BOLT (REF)
HOOK CLOSE SWITCH, YAAS08, STRIKERYABS08SWITCH
　
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