Deactivation of the Extract Fan - FAA Operators Only

TASK 21-26-00-040-020-A
Deactivation of the Extract Fan - FAA Operators Only

ZONE: 210
FIN: 18HQ
Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
NO	YES	NO	0.5	0.5	1

1. Reason for the Job
MMEL 21-26-02
EXTRACT FAN (FAA ONLY)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure

3. Job Set-up
Subtask 21-26-00-861-100-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).

4. Procedure
Subtask 21-26-00-865-130-A

A. Table of the circuit breakers used in this procedure:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
123VU	AVNCS VENT/EXTC/FAN	2HQ	AE02
** ON A/C NOT FOR ALL
123VU	AVNCS VENT/EXTC/FAN	2HQ	AC04

Subtask 21-26-00-040-078-A

B. Deactivation of the Extract Fan - FAA Operators Only
(1) In the cockpit, on the AIR COND section of overhead panel 30VU:
(a) Make sure that the PACK 1 and PACK 2 pushbutton switches are pushed (the FAULT and OFF legends are off).
(2) In the cockpit, on the VENTILATION section of overhead panel 22VU:
(a) Release the EXTRACT pushbutton switch (the OVRD legend comes on).
(3) On the ECAM control panel, push the CLR pushbutton switch to cancel the VENT EXTRACT FAULT alert.
(4) Open, safety and tag this(these) circuit breaker(s):

2HQ.

(5) On the bottom part of the upper ECAM display-unit:
(a) Make sure that the VENT AVNCS SYS FAULT alert does not come into view.

5. Close-up
Subtask 21-26-00-941-110-A

A. Aircraft Maintenance Configuration
(1) Put a WARNING NOTICE(S) in the cockpit to tell the crew that the extract fan is deactivated.
(2) Make an entry in the logbook.

Subtask 21-26-00-862-103-A

B. Aircraft Maintenance Configuration
(1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:10:57 UTC