Discard Lavatory Air Extraction Filter Element

TASK 21-23-00-600-001-A
Discard Lavatory Air Extraction Filter Element

WARNING: PUT ON GLOVES, A COVERALL WITH A HOOD, GOGGLES AND A PARTICULATE RESPIRATOR BEFORE YOU TOUCH THE FILTER. THE FILTER REMOVES SMALL PARTICLES (SMOKE, DUST, LINT, FIBERS, POLLEN) AND INFECTIOUS MATERIALS (BACTERIA, VIRUSES, MOLD SPORES, FUNGI) FROM THE AIR. THESE MATERIALS CAN CAUSE ILLNESS.

WARNING: DO NOT LET THE FILTER TOUCH YOUR SKIN. DO NOT SHAKE OR HIT THE FILTER. DO NOT LET THE FILTER FALL. DO NOT USE COMPRESSED AIR TO CLEAN THE FILTER OR FILTER HOUSING. THIS CAN CAUSE THE INFECTIOUS MATERIAL TO BECOME AIRBORNE. DISCARD THE FILTER IN A PLASTIC DISPOSAL BAG. IF YOU DO NOT OBEY THESE INSTRUCTIONS, INFECTIOUS MATERIAL FROM THE FILTER CAN CAUSE ILLNESS.

WARNING: PUT ALL AIR FILTERS THAT YOU REMOVE FROM THE AIRCRAFT INTO PLASTIC DISPOSAL BAGS. AIR FILTERS CAN CONTAIN INFECTIOUS MATERIALS WHICH CAN CAUSE ILLNESS. OBEY AIRLINE POLICY AND LOCAL HEALTH DEPARTMENT AND LAW ENFORCEMENT REGULATIONS FOR DISPOSAL OF INFECTIOUS MATERIALS.

ZONE: 200

1. Reason for the Job
Refer to the MPD TASK: 212300-02
DISCARD LAVATORY AIR EXTRACTION FILTER ELEMENT
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	BRUSH - BRISTLED, SOFT

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
Lavatory Air-Extraction Filter

3. Job Set-up
Subtask 21-23-00-861-051-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001)

4. Procedure
Subtask 21-23-00-960-050-A

A. Replacement of the Lavatory Air-Extraction Filter
(1) Get access to the applicable lavatory.
(2) If the screws (3) are installed, remove them.
(3) Remove the louver (2) and clean it with the BRUSH - BRISTLED, SOFT.
(4) Remove and discard the fleece (4).
(5) If the grill (5) is installed, remove and clean it with the BRUSH - BRISTLED, SOFT.
(6) If the grill (5) is removed, put it in position in the housing (1).
(7) Put the new fleece (4) (refer to IPC ATA 21-23-XX) in position in the housing (1).
(8) Install the louver (2) in the correct position.
(9) If the screws (3) are removed, install them.

5. Close-up
Subtask 21-23-00-862-051-A

A. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001)

[Rev.10 from 2021] 2026.04.02 06:10:56 UTC