OVERLOAD
INDICATOR

TRANSMISSION  TRACK  FWD CARRIAGE  BALLSCREW 
OUTBOARD FLAP, OUTBOARD DRIVE (LOOKING OUTBOARD) D-D

Trailing Edge Flap System - Component Location
Figure 102 (Sheet 7)

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A

757
FAULT ISOLATION/MAINT MANUAL

SPLINES 
TORQUE TUBE (EXAMPLE) J FROM SHT 1  KSEE E5 EQUIPMENT RACK  DOOR, 821 FORWARD CARGO 
E5-1 FSEU-1, M10331 LSEE FSEU-3, M10333SEE L 
FSEU BITE INSTRUCTIONS 

ON 
MENU 
OFF 
YES  NO 
E5-2 
NAMEPLATE 
E5-3 
FESU-2, M10332 
SEE  L 
FSEU
E5 EQUIPMENT RACK (AFT VIEW)  (EXAMPLE) 
L  2 
K 
Component Location 
Figure 102 (Sheet 8) 

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A
757 FAULT ISOLATION/MAINT MANUAL

FSEUFSEU
(EXAMPLE) (EXAMPLE)

-40 FSEU 
-32 AND -37 FSEU 
-17 AND LOWER FSEU 
Component Location (Detail from Sht 8) 
Figure 102 (Sheet 9) 

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757 MAINTENANCE MANUAL
 TRAILING EDGE FLAP SYSTEM - MAINTENANCE PRACTICES
_________________________________________________
 1.  General
_______
 A.  This procedure contains two tasks. The first task deactivates the flap drive system to prevent flap movement when you work near the flap system. The second task operates the flap system with normal hydraulic power or alternate electric power.
 TASK 27-51-00-042-001
 2.  Deactivation of the Flap Drive System
_____________________________________
 A.  Equipment
 (1)  
TE Flap PDU Lock - B27008-1

 (2)  
Circuit Breaker Lock from Lock Set, Flap
 Alternate Drive - B27020-29:

 (a)  
Circuit Breaker Lock - P/N B27020-25 (Optional Lock/Commercially Available)

 (3)  
Circuit Breaker Lock from Lock Set, Leading
 Edge Slat Drive - B27020-29:

 (4)  
Circuit Breaker Lockout Clip
 (Commercially Available)

 (a)  
Circuit Breaker Lock - P/N B27020-25 (Optional Lock/Commercially Available)

 B.  
References

 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 (3)  
32-00-15/201, Landing Gear Door Lock

 (4)  
32-00-20/201, Landing Gear Downlock

 C.  
Access

 (1)  
Location Zones
 143 MLG Wheel Well (Left)
 211/212 Control Cabin
 511/611 Leading Edge to Front Spar
 710 Nose Landing Gear and Doors
 730/740 Main Landing Gear and Doors

 D.  
Deactivation of the Flap Drive System

 S 212-010
 (1)  Make sure the downlocks are installed on the nose and main landing gear (Ref 32-00-20).
 S 012-011
 WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO INSTALL THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  Open the doors for the landing gear and install the door locks (Ref 32-00-15).
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