S 012-019

 (14)
 If necessary, remove the galley floor (AMM 53-21-00/401).

 S 162-020

 (15)
 Fully clean the area and the floor panels and make sure you remove all the remaining sealant.

 S 812-021

 (16)
 If corrosion is found on the airframe, refer to the Structural Repair Manual (SRM).

 S 422-022

 (17)
 Install the galley floor (AMM 53-21-00/401 and AMM 53-21-00/801).

 S 362-023

 (18)
 Install the water barrier in the galley (AMM 53-21-11/801).

 S 422-024

 (19)
 Install the galley (as applicable).

 S 712-025

 (20)
 If an equipment is found to have been contaminated with moisture, you must do an operational test of the equipment after all the moisture has been removed.

 (21)
 Do the close out procedure as follows:

 (22)
 Install the galley floor covering (AMM 25-27-21/401).

 S 942-026
 S 362-027
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737-300/400/500MAINTENANCE MANUAL
 S 412-028
 (23)
 If applicable, close the electronic-equipment compartment door.

 S 412-029

 (24)
 If applicable, install the access panel on the rear bulkhead of the aft cargo compartment and close the aft cargo compartment door.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 MERCURY SPILLAGE CONDITION - MAINTENANCE PRACTICES (CONDITIONAL INSPECTION)
___________________________________________________________________________
 1.  General
_______
 A.  One task is supplied in this procedure. The task is mercury spillage conditional inspection.
 B.  This section supplies an inspection and clean up procedures for areas where mercury has touched the airplane.
 C.  All metal airplane structure which is touched by mercury will decrease in structural strength. The rate at which mercury goes into the metal is different for each type of metal. Also, the type of protective finish applied to the metal will change the rate at which the mercury will go into the metal.
 NOTE: When the mercury starts to go into the metal, it can not
____
 be stopped.

 D.  The decrease in structural strength may not be seen until a load is applied to the structure.
 TASK 05-51-14-202-001
 2.  Mercury Spillage Conditional Inspection
_______________________________________
 A.  Standard Tools and Equipment
 (1)  
Vacuum Cleaner - High Capacity

 (2)  
Portable X-ray Equipment

 (3)  
Sensing Device (Mercury Sniffer)

 (4)  
Trap-Type Glass Container

 (5)  
Mercury Vacuum Pump - Lab Safety Co. P.O. Box 1368, Jonesville, Wisconsin 53545

 (6)  
10X Hand Lens

 (7)  
Medicine Dropper

 B.  Consumable Materials
 (1)  
G00009 Compound - Corrosion Inhibiting, BMS 3-23, Type 1

 (2)  
D00066 Oil - Turbine Eng, Synthetic, MIL-L-23699

 (3)  
G00000 Cards - Index, 5x8, Standard Weight Paper Stock

 (4)  
G00000 Paper - Typewriter 8-1/2x11, 25 percent Cotton Fiber, 16 Weight

 (5)  
G00000 Tape - Transparent, 3M Scotch 810, Magic Transparent

 C.  Procedure-(Corrective Measures)
 S 222-002
 (1)  Examine the spill.
 (a)  
Make a note of the quantity of mercury which has touched the airplane structure.

 (b)  
Make a note of the location where the mercury has touched the airplane structure.

 (c)  
Isolate the aiplane structure which the mercury has touched.

　
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