05-51-13
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 012-006
 (2)  In the galley area where the liquid was spilled, remove the floor area covering (AMM 25-27-21/401), to do an inspection of the waterseal.
 NOTE: The waterseal of the galley area can be damaged if care is
____
 not taken when you remove the vinyl floor mats.

 S 162-030
 (3)  
Use approved cleaning agents and disinfectants when you clean areas where blue water contamination has occurred. (AMM 20-30-31/201). .

 S 162-009

 (4)  
Make sure the door threshold drain, adjacent to the galley area, is clear and free from blockages (AMM 38-31-00/201).

 S 212-010

 (5)  
Inspect the fillet seal at the base of the galley for signs of damage.

 S 212-011

 (6)  
Inspect the floor waterseal for signs of damage to materials and sealants.

 S 812-012

 (7)  
If you find signs of damage to seals and/or sealing, refer to the approved repairs (AMM 53-21-00/801) and (AMM 53-21-11/801).

 S 012-013

 (8)  
If the inspection is applicable to the forward galley, open the electronic-equipment compartment door for access.

 S 012-014

 (9)  
If the inspection is applicable to the aft galley, open the aft cargo-compartment door for access, and remove the access panel on the rear bulkhead of the aft cargo- compartment.

 S 212-015

 (10)
 Use a strong light and do a close visual examination of the area below the floor of the galley.

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 05-51-13
 ALL  ú ú 01 Page 203 ú Mar 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 362-016
 (11) If you find signs of moisture below the galley area, in electronic-equipment compartment or the aft cargo-compartment equipment-bay, do the steps that follow:
 (a)  Use a clean cloth or a sponge to absorb and remove all moisture
 from the area.
 (b)  Do an examination of all the waste-water drain tubes and
 related clamps for signs of a leak.
 (c)  Tighten all clamps and/or replace damaged drain tubes as
 necessary.
 (d)  Examine the floor beams, intercostals and structure for signs
 of moisture and/or corrosion.
 (e)  Do an inspection of installed equipments, in the applicable
 equipment compartment (AMM 05-51-12/201), for signs of
 contamination.
 1) If you find signs of moisture on equipment electrical
 cables, use a dry air supply to remove all moisture from
 the contaminated areas.
 NOTE: Electrical cable looms can hold moisture between the____
 separate wires. If possible, open the wires in a
 contaminated cable when you dry the cable.
 2) Do a check of contaminated connectors for moisture ingress
 and dry as necessary.
 NOTE: If you think a connector is contaminated with____
 moisture, you must disconnect and fully examine the
 connector and the related equipment connector.
 (f)  If you find signs of moisture, use a clean cloth or a dry air
 supply to remove all moisture and fully dry the contaminated
 components.

 S 942-017
 (12) If you do not find signs of moisture and the water barrier is in a serviceable condition, do the close out procedure.
 NOTE: The removal of the galley and repairs to the floor water
____ barrier are only necessary when signs of damage and leaks in the galley floor are found.
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 05-51-13
 ALL  ú ú 01 Page 204 ú Mar 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 012-018
 (13)
 If your inspection shows damage to the water barrier of the galley floor area and/or shows the moisture travel to go below the galley floor, remove the applicable galley.
　
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