Perform Functional Check of Time Delay for Illumination of "Disch Agent 2" Reminder Light

TASK 26-23-00-710-004-A
Perform Functional Check of Time Delay for Illumination of "Disch Agent 2" Reminder Light

ZONE: 132
ZONE: 162
ZONE: 172
ZONE: 210

1. Reason for the Job
Refer to the MPD TASK: 262300-05
PERFORM FUNCTIONAL CHECK OF TIME DELAY FOR ILLUMINATION OF "DISCH AGENT 2" REMINDER LIGHT
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
132	FORWARD CARGO COMPARTMENT
162	BULK CARGO COMPARTMENT
172	AFT CABIN U/FLOOR COMPARTMENT
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
161DW, 826
132MW

B. 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 25-55-12-000-001-A	Removal of the Aft Cargo-Compartment Partition at FR65
TASK 25-55-12-400-001-A	Installation of the Aft Cargo-Compartment Partition at FR65
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump

3. Job Set-up
Subtask 26-23-00-861-054-A ** ON A/C NOT FOR ALL

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

Subtask 26-23-00-010-053-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(2) Remove the panel 132MW.

Subtask 26-23-00-010-053-D ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(2) Set the CARGO COMPT LIGHT switch 8LU to the ON position.
(3) Remove the partition panel 161DW (Ref. AMM TASK 25-55-12-000-001).

Subtask 26-23-00-865-058-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR COND/CIDS/SDF/DIR2 ESS	18WH	C06
49VU	AIR COND/CIDS/SDF/DIR1 ESS	15WH	C05
** ON A/C NOT FOR ALL
49VU	AIR COND/SDCU/CHAN1	11WQ	C06
** ON A/C NOT FOR ALL
122VU	AIR COND/CIDS/SDF/DIR NORM/2	14WH	T18
122VU	AIR COND/CIDS/SDF/DIR NORM/1	17WH	T17
** ON A/C NOT FOR ALL
122VU	AIR COND/SDCU/CHAN2	12WQ	T18

4. Procedure
Subtask 26-23-00-710-053-A ** ON A/C NOT FOR ALL

A. Test of Time Delay for Illumination of Disch Agent 2 Reminder Light

ACTION	RESULT
1.In the FWD cargo compartment:	On the CARGO SMOKE overhead panel 22VU:
disconnect electrical connector 4005WX-B from the pressure switch of the fire extinguisher bottle 1. Note time.	the DISCH 1 indication light comes on.
2.Wait for 60 +/- 3 minutes.	the DISCH AGENT 2 indication light comes on.
	On the ECAM upper display unit, the message: SMOKE DISCH AGENT 2 SMOKE AGENT 2 DISCH comes on.
	On the glareshield panels 130VU and 131VU: the MASTER CAUTION lights come on.
	In the cockpit: a single chime is heard.
3.In the FWD cargo compartment: connect the electrical connector 4005WX-B.	On the CARGO SMOKE overhead panel 22VU: the DISCH 1 indication light goes off.
4.On the panel 49VU and 122VU: Open the circuit breakers 11WQ and 12WQ, wait 10 sec. and close the circuit breakers.	The remaining warnings and indications are cancelled.

Subtask 26-23-00-710-053-C ** ON A/C NOT FOR ALL

A. Test of the Time Delay for the Illumination of the Disch Agent 2 Reminder Light
(1) Do this test:

ACTION	RESULT
1.In the forward cargo compartment:	On the cockpit overhead panel 22VU:
Disconnect the electrical connector 4005WX-B from the pressure switch of the fire extinguisher bottle 1. Record the time.	The DISCH 1 indicator light comes on.
	On the ECAM upper display unit, the message which follow comes on: SMOKE FWD CRG BTL1 FAULT SMOKE AFT CRG BTL1 FAULT.
	On the cockpit overhead panel 22VU:
2.Wait for 60 +/- 3 minutes.	The DISCH AGENT 2 indicator light comes on.
	On the ECAM upper display unit, the message which follow comes on: SMOKE DISCH AGENT 2 AGENT 2........DISCH.
	On the glareshield panels 130VU and 131VU: The MASTER CAUTION lights come on.
	In the cockpit: You hear a single chime.
3.In the forward cargo compartment:	On the cockpit overhead panel 22VU:
Connect the electrical connector 4005WX-B.	The DISCH 1 indicator light goes off.
4.On the panels 49VU and 122VU:	In the cockpit:
Open the circuit breakers 15WH, 18WH, 14WH and 17WH, wait 10 seconds and close the circuit breakers again.	The remaining warnings and indications are cancelled.

Subtask 26-23-00-710-053-D ** ON A/C NOT FOR ALL

A. Test of Time Delay for Illumination of Disch Agent 2 Reminder Light
(1) Do this test:

ACTION	RESULT
1.In the aft cargo compartment:	On the cargo smoke overhead panel 22VU:
Disconnect electrical connector 4015WX-B from the pressure switch of the fire extinguisher bottle 1. Record the time.	The DISCH 1 indication light comes on.
	On the ECAM upper display unit, the messages which follow come on: SMOKE FWD CRG BTL1 FAULT SMOKE AFT CRG BTL1 FAULT.
2.After 60 +/- 3 minutes:	On the cargo smoke overhead panel 22VU: The DISCH AGENT 2 indication light comes on.
	On the ECAM upper display unit, the message which follow comes on: SMOKE DISCH AGENT2 AGENT 2......DISCH.
	On the glareshield panels 130VU and 131VU: The MASTER CAUTION lights come on.
	In the cockpit: You hear the single chime.
3.In the aft cargo compartment:	On the cargo smoke overhead panel 22VU:
Connect the electrical connector 4015WX-B.	The DISCH 1 indication light goes off.
4.On the panel 49VU and 122VU:	In the cockpit:
Open the circuit breakers 15WH, 18WH, 14WH and 17WH, and after 10 seconds close the circuit breakers.	The remaining warnings and indications are cancelled.

5. Close-up
Subtask 26-23-00-410-052-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the panel 132MW.
(3) Close the FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).

Subtask 26-23-00-410-052-D ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the partition panel 161DW (Ref. AMM TASK 25-55-12-400-001).
(3) Set the CARGO COMPT LIGHT switch 8LU to the OFF position.
(4) Close the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).

Subtask 26-23-00-862-053-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 08:26:07 UTC