Removal of the Third (Fourth) Occupant Individual Air-Outlet

TASK 21-21-44-000-002-A
Removal of the Third (Fourth) Occupant Individual Air-Outlet

ZONE: 211
FIN: 4502HM
FIN: 4503HM

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Third (Fourth) Occupant Individual Air-Outlet

3. Job Set-up
Subtask 21-21-44-861-051-A

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

Subtask 21-21-44-865-053-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	AIR COND/RECIRC FAN/L/CTL	2HG	X20
122VU	AIR COND/RECIRC FAN/L/SPLY	1HG	X18

4. Procedure
Subtask 21-21-44-020-052-B

A. Removal of the Third Occupant Individual Air-Outlet
(1) Remove the 4 screws (7) and remove the lining panel (6).
(2) Loosen the 4 quarter-turn fasteners (5) and disengage the plate (4) from the frame (3).
(3) Remove only the 4 applicable screws (8) and remove the plate (4).
(4) Disengage the duct (1) and remove the air-outlet (2).

[Rev.10 from 2021] 2026.04.02 06:10:55 UTC