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Flow No. 8A, Right INBD Aileron Power Package 
Null Leakage 
(No. 7  ) -______  (No. 8  )______  = 8A  ______  0.66 GPM 
Flow No. 9A, Right OUTBD Aileron Power 
Package Null Leakage 
(No. 8  ) -______  (No. 9  )______  = 9A  ______  0.66 GPM 
Flow No. 9B, Right INBD and Right OUTBD Aileron 
Power Package Null Leakage 
(No. 7  ) -(No. 9______  )______  = 9B  ______ 
Flow No. 11A, Spoiler 5 Internal Leakage 
(No. 10  ) -______  (No. 11  )______  = 11A______  0.8 GPM 
Flow No. 13A, Spoiler 8 Internal Leakage 
(No. 12______  ) - (No. 13  )______  = 13A______  0.8 GPM 
Flow No. 13B 
(No. 9B ) + (No. 11A ) +____________  (No. 13A______  )  = 13B______ 
Flow No. 13C, Right Central Lateral Control 
Package Null Leakage 
(No. 6A  ) -(No. 13B______  ______  )  = 13C______  0.53 GPM 

Hydraulic System No. 4 Leakage Test Data and Analysis Sheet
Figure 607 (Sheet 2)

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Hydraulic System 4 Schematic
Figure 608

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SEE A SEE A
SEE D INDICATOR DIFFERENTIAL PRESSURE 
SEE D DRAIN MODULE) (ON TOP OF CASE INDICATOR DIFFERENTIAL PRESSURE 
A  MODULE RETURN 
ENGINE NACELLE STRUT  MODULE DRAIN CASE
SEE  B  B 
SEE  C 
Differential Pressure Indicator Location Figure 609 (Sheet 1) 

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DIFFERENTIAL PRESSURE INDICATOR (BEHIND GROUND SERVICE DISCONNECT)
SEE D FWDGROUND SERVICE DISCONNECT
PRESSURE
MODULE

C
(SHOWN IN SATIFACTORY CONDITION) (SHOWN IN UNSATIFACTORY CONDITION)TYPICAL DIFFERENTIAL PRESSURE INDICATOR D
Differential Pressure Indicator Location
Figure 609 (Sheet 2)

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 (6)  
AMM 54-62-03/501, Trailing Edge Fairing Doors

 B.
Access

 (1)  
Location Zone
 454 System 1 - Strut Aft Fairing
 464 System 2 - Strut Aft Fairing
 474 System 3 - Strut Aft Fairing
 484 System 4 - Strut Aft Fairing
 735 Wing Landing Gear Wheel Well - Left Side
 745 Wing Landing Gear Wheel Well - Right Side

 (2)  
Access Panel
 454AL Trailing Edge Fairing Doors - System 1
 464AL Trailing Edge Fairing Doors - System 2
 474AL Trailing Edge Fairing Doors - System 3
 484AL Trailing Edge Fairing Doors - System 4

 C.
Procedure

 S 496-496
 (1)  
Make sure that the ground lockpins for the landing gears are installed (AMM 09-11-00/201).

 S 016-497

 (2)
Open the doors on the trailing edge fairing (AMM 54-62-00/201).
　
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