(h)
If blue water was found on the toilet floor, make sure all signs of blue water and related stains are removed from the toilet floor, and all floor installed connections.
(i)
If blue water was found in the modular toilet, make sure all signs of blue water and related stains are removed and the weep holes in the floor pan are free from blockage.
S 162-098
(5) When blue water is found in the aft cargo-compartment equipment-bay, do the steps that follow:
WARNING: DO NOT USE TOO MUCH FRESH WATER TO REMOVE THE BLUE STAIN
_______ BECAUSE ADDITIONAL WATER COULD CAUSE POSSIBLE DAMAGE TO ELECTRICAL EQUIPMENT. THIS CAN RESULT IN AN UNWANTED EFFECT ON THE FLIGHT SAFETY OF THE AIRPLANE.
(a)
Protect adjacent areas to the contaminated area, from the cleaning procedure, by the use of polyethylene sheeting as a waterproof cover.
(b)
Use clean fresh water to dilute contaminated areas of the blue stain.
(c)
If the area below the toilet-tank shows signs of blue water contamination, fully clean the drain tube, the ground flush hose or the drain-valve control-cable with fresh water.
NOTE: You must be most carefully with the use of water in the
____ aft cargo-compartment equipment-bay, additional contamination must not occur.
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(d)
AIRPLANES WITH AN AUXILIARY TOILET TANK INSTALLATION; If there are signs of blue water on the auxiliary tank, make sure you remove all blue water and related stains from the auxiliary tank and all related components and connections.
(e)
Use a clean absorbent cloth or a sponge to remove laying blue water from all areas shown during the toilet over-servicing inspection of the aft cargo-compartment equipment-bay.
NOTE: It is important that all blue stains are removed from
____ the area. This will allow accurate visual inspections to be done in the future.
(f)
Use a clean cloth to fully dry all surfaces and use a dry air supply to dry the areas which are difficult to touch.
(g)
If the blue water contamination shows on on electrical or electronic equipment, do the steps that follow: 1) Remove blue water from all surfaces, cables and connectors. 2) 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.
3) Do a check of contaminated connectors for blue water ingress and dry as necessary.
NOTE: If you think a connector is contaminated with blue
____ water, you must disconnect and fully examine the connector and the related equipment connector.
(h) Remove all signs of blue water from tubes which could conduct moisture, as necessary. 1) Do an operational test of equipments which possibly have
been contaminated with blue water.
S 412-099
(6)
Install the toilet-tank shroud (AMM 38-32-51/401).
S 862-100
(7)
Remove the tag and close the applicable lavatory flush motor circuit breaker.
S 612-101
(8)
Do the servicing procedure for the aft toilet system (AMM 12-17-00/301).
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S 412-102
(9)
Replace the access panel in the rear bulkhead of the aft cargo compartment.
S 412-103
(10)
Close the aft cargo-compartment door.
S 942-104
(11)
Remove all tools and equipment from the work area.
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