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 NOTE:____ The limus paper should read between 7 and 8 when the area is fully cleaned.
 (j) (k) (l)  Wipe dry with clean cloths.After thoroughly dry, repair or replace damaged finishes if it is necessary. Refer to CPM 20-50-00 and CPM 20-60-00 for protective finish systems.Apply water displacing corrosion preventive compound BMS 3-23, over entire area.
 NOTE:____ For details of application of BMS 3-23 refer to CPM 20-60-00.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 DRAGGED ENGINE NACELLE/ENGINE SEIZURE/THRUST REVERSER AND ATTACH POINTS
_______________________________________________________________________ DAMAGE - MAINTENANCE PRACTICES (CONDITIONAL INSPECTION)
_______________________________________________________
 1.  General_______
 A.  One task is supplied in this procedure. The task is dragged engine nacelle, engine seizure, engine and strut, thrust reverser damaged conditional inspection.
 B.  This section examines the engine and nacelle strut after one of these incidents:
 (1)  
Dragged Engine Nacelle

 (2)  
Engine Seizure

 (3)  
Other Engine Damage

 (4)  
Other Nacelle Strut Damage

 C.  Other engine damage refers to incidents which cause unusual engine vibration, for example, the fan blade loss or other engine items.
 D.  Other nacelle strut damage refers to incidents which cause damage to the nacelle strut or the cowling, for example, dents caused by contact with ground equipment.
 TASK 05-51-61-202-001
 2.  Dragged Engine Nacelle/Engine Seizure/Engine and Strut Damage Conditional_________________________________________________________________________ Inspection__________
 A.  References
 (1)  
AMM 54-42-11/201 Aft Engine Mount

 (2)  
AMM 54-42-12/201 Forward Engine Mount

 (3)  
AMM 71-00-02/401, Power Plant

 B.  Examine the Nacelle-Strut and Nacelle
 S 212-002
 (1)  
If engine seizure or internal engine damage is suspected, examine the engine and remove the engine if it is necessary (AMM 71-00-02/401).

 S 212-003

 (2)  
Examine these areas for buckling, cracks, pulled fasteners, fasteners which are not there, and other unusual external conditions:

 (a)  
Nacelle Strut Panels

 (b)  
Nacelle Strut Doors

 (c)  
Lower Surface of the Nacelle Cowlings

 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 C. If damage is found in step B.(2), do these steps:
 S 022-009
 (1)  Remove all of these items:
 (a)  
Nacelle Strut Panels

 (b)  
Nacelle Strut Doors

 S 012-004
 (2)  
Open the nacelle cowlings.

 S 212-005

 (3)  
Examine these items for cracks, signs of offset deformation, or peening of pins and/or bushings (AMM 54-42-11/201, 54-42-12/201).

 (a)  
ALL of the Engine Mounts

 (b)  
ALL of the Points where the Nacelle Strut Attaches to the Wing

 (c)  
Fittings on all sides

 (d)  
Nacelle Strut Upper Link-to-Wing Fitting Pins

 (e)  
Nacelle Strut Upper Link-to-Wing Fuse Pins

 

 S 212-006
 (4)  
Examine all other primary structure, wing fittings, and the front spar for distortion, cracks, flaking paint, pulled fasteners, loose fasteners, and fasteners which are not there.

 S 212-007

 (5)  
Examine thrust reverser areas for buckling, cracks, pulled fasteners, fasteners which are not there and other unusual external conditions.

 (a)  
　
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