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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
M.  Blanking Plates Inspection (If Installed) S 216-033-C00
 (1)  Examine the blanking plates for cracks:
 (a) All cracks are permitted if the plates are connected.
 S 416-034-C00 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSER. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (2)  
Close the left and right thrust reversers (AMM 78-31-00/201). S 416-035-C00

 (3)  
Close the left and right fan cowl panels (AMM 71-11-02/201).

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
LOW PRESSURE TURBINE - APPROVED REPAIRS
_______________________________________
 1.  General
_______
 A.  This procedure contains three tasks. The tasks are as follows:
 -Shingled (or unlatched) 4th-stage Low Pressure Turbine (LPT) Blades Replacement
 -
Broken Angle Brackets for the Aft Flange Replacement

 -
Broken Heat Shields for the Cooling Air Manifold Replacement.

 B.  For this procedure the 4th-stage Low Pressure Turbine (LPT) Blades will be referred to as the blades.
 C.  You must remove the turbine exhaust sleeve to get access to the blades.
 TASK 72-54-00-828-001-C00
 2.  Shingled (or Unlatched) 4th-Stage LPT Blades Replacement
________________________________________________________
 A.  General
 (1) Do not use metal tools to move the 4th-Stage LPT Blades.
 B.  Consumable Materials
 (1)  Non-metallic material, 12 x 1.2 x 0.35 inches
 (300 x 30 x 9 mm) in size

 C.  References
 (1)  
71-00-02/401, Power Plant

 (2)  
72-00-00/601, Engine

 (3)  
78-11-01/401, Turbine Exhaust Sleeve

 D.  Access
 (1)  
Location Zones
 502/602 Left Fan Cowl Panels
 503/603 Right Fan Cowl Panels
 504/604 Left Thrust Reversers
 505/605 Right Thrust Reversers
 506 Engine No. 1
 606 Engine No. 2

 (2)  
Access Panels
 5737L Engine No. 1 - Right Fan Cowl Panel
 5738L Engine No. 1 - Left Thrust Reverser
 5739L Engine No. 1 - Right Thrust Reverser
 5746L Engine No. 1 - Left Fan Cowl Panel
 5837R Engine No. 2 - Right Fan Cowl Panel
 5838R Engine No. 2 - Left Thrust Reverser
 5839R Engine No. 2 - Right Thrust Reverser
 5846R Engine No. 2 - Left Fan Cowl Panel

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
UNLATCHED  SEE  B  A  SHINGLED  BLADES ARE NOT FLUSH 
A  A 
B 
SHINGLING A-A Figure 801 S-M56-MM-0835-(1)-00-B Position of the Shingled 4th-Stage LPT Blade 

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
　
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