Disinfection of Potable Water System and Discard of Water Filter Elements, if Installed

TASK 38-10-00-670-002-A
Disinfection of Potable Water System and Discard of Water Filter Elements, if Installed

NOTE: Six procedures are given here that you can use for disinfection of the potable water system.

One procedure uses calcium hypochlorite or sodium hypochlorite for disinfection.
One procedure uses hydrogen peroxide (H202) HERLISIL or H BIO T50 for disinfection.
One procedure uses calcium hypochlorite or sodium hypochlorite and the Dosatron Tool for disinfection.
One procedure uses hydrogen peroxide (H202) HERLISIL or H BIO T50 and the Dosatron Tool for disinfection.
One procedure uses hypochlorite for disinfection and discard of water filter cartridges.
One procedure uses ozone for disinfection.

NOTE: The airline can make the decision about which of the six procedures they will use.

ZONE: 171

1. Reason for the Job
Refer to the MPD TASK: 381000-01
DISINFECTION OF POTABLE WATER SYSTEM AND DISCARD OF WATER FILTER ELEMENTS, IF INSTALLED
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
171	AFT CABIN U/FLOOR COMPARTMENT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 38-10-00-281-001-A	Sampling of the Potable Water
TASK 38-10-00-670-003-A	Disinfection of the Water Tank and the Distribution System with Calcium Hypochlorite or Sodium Hypochlorite
TASK 38-10-00-670-003-A-01	Disinfection of the water Tank and the Distribution System with Calcium Hypochlorite or Sodium Hypochlorite
TASK 38-10-00-670-004-A	Disinfection of the Water Tank and Distribution System with Hydrogen Peroxide (H2O2) HERLISIL or H BIO T50 or SANOSIL
TASK 38-10-00-670-005-A	Disinfection of Water Tank and Distribution System with Calcium Hypochlorite or Sodium Hypochlorite with the Water Disinfection Doser
TASK 38-10-00-670-006-A	Disinfection of the Water Tank and Distribution System with Hydrogen Peroxide (H2O2) HERLISIL or H BIO T50 or SANOSIL with the Water Disinfection Doser
TASK 38-10-00-670-803-A	Disinfection of the Potable Water System with Hypochlorite and Discard of Water Filter Cartridges (if installed)
TASK 38-10-00-670-804-A	Disinfection of the Potable Water System with Ozone

3. Job Set-up
Subtask 38-10-00-861-051-A

A. There is no special job set-up for this task.

4. Procedure
Subtask 38-10-00-560-051-A

A. Do the Disinfection of the Potable Water System
(1) For the disinfection of the potable water system with calcium hypochlorite or sodium hypochlorite (Ref. AMM TASK 38-10-00-670-003).
(2) For the disinfection of the potable water system with hydrogen peroxide (H202) HERLISIL or H BIO T50 (Ref. AMM TASK 38-10-00-670-004).
(3) For the disinfection of the potable water system with calcium hypochlorite or sodium hypochlorite and the dosatron tool (Ref. AMM TASK 38-10-00-670-005).
(4) For the disinfection of the potable water system with hydrogen peroxide (H202) HERLISIL or H BIO T50 and the dosatron tool (Ref. AMM TASK 38-10-00-670-006).
(5) For the disinfection of the potable water system with hypochlorite and discard of water filter cartridges (Ref. AMM TASK 38-10-00-670-803).
(6) For the disinfection of the potable water system with ozone (Ref. AMM TASK 38-10-00-670-804).

Subtask 38-10-00-281-056-A

B. If specified by the local health authorities, do a sampling of the potable water (Ref. AMM TASK 38-10-00-281-001).

[Rev.10 from 2021] 2026.04.01 04:27:14 UTC