05-51-13
ALL ú ú 01 Page 202 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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