(b)  
Between the abradable shroud and the mid acoustical panels

 (c)  
Between the mid acoustical panels.

 S 844-033-C00
 CAUTION: DO NOT LEAVE TOOLS OR UNWANTED OBJECTS IN THE ENGINE INLET.
_______
 THESE OBJECTS CAN GO INTO THE ENGINE AND CAUSE DAMAGE.

 (5)  
Remove the protective mats from the engine inlet.

 (6)  
Remove the DO-NOT-OPERATE tags from the start levers.

 S 864-034-C00
 TASK 72-33-02-004-013-C00
 6.  Aft Acoustical Panel Removal____________________________
 A.  References
 (1)  
AMM 71-11-02/201, Fan Cowl Panels

 (2)  
AMM 78-31-00/201, Thrust Reverser System

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B. Access
 (1)  
Location Zones
 502/602 Fan Cowl - Left
 503/603 Fan Cowl - Right
 504/604 Thrust Reverser - Left
 505/605 Thrust Reverser - Right
 506/606 Engine

 (2)  
Access Panels
 5737L/5746L Fan Cowl Panels - Left
 5837R/5846R Fan Cowl Panels - Right
 5739L/5738L Thrust Reverser - Left
 5839R/5838R Thrust Reverser - Right

 C. Remove the Aft Acoustical Panels
 S 864-046-C00
 (1)  Make sure the start levers are in the CUTOFF position.
 (a)  Install DO-NOT-OPERATE tags.
 S 014-028-C00
 (2)  Open the applicable fan cowl panel (AMM 71-11-02/201).
 S 864-014-C00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (3)  
Open the applicable thrust reverser (AMM 78-31-00/201).

 S 024-015-C00

 (4)  
Remove the aft acoustical panel as follows (Fig. 403):

 CAUTION: IF YOU USE A PNEUMATIC OR ELECTRICAL SCREWDRIVER TO LOOSEN
_______ AND REMOVE THE ACOUSTICAL PANEL SCREWS, MAKE SURE THE SPEED IS NOT MORE THAN 200 RPM. IF THE SPEED IS MORE THAN 200 RPM, DAMAGE TO THE EQUIPMENT CAN OCCUR.
 (a)  Remove the screws that attach the acoustical panel to the fan case.
 NOTE: Panels with one notch have 14 screws and panels with two
____
 notches have 16 screws.

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
DOUBLE NOTCHED ACOUSTICAL PANEL
FWD
SINGLE NOTCHED ACOUSTICAL PANEL
SEE  B 
SKIN FILLET 
PANEL ACOUSTICAL AFT  PANEL ACOUSTICAL AFT  A AFT ACOUSTICAL PANELS
EACH PANEL) (14-16 PLACES BOLT 
FWD  B 
Figure 403 Fan Aft Acoustical Panel Installation 

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CFM56 ENGINES
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(b)  
If you find a screw which has no torque feel when it is removed, discard and replace it with a new screw.

 (c)  
Lift the end of the panel that is the overlap while you slide the opposite end out from under the adjacent panel.

 S 034-016-C00
　
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