Operational Test of the Cargo-Compartment Fire-Extinguishing System

TASK 26-23-00-710-001-A
Operational Test of the Cargo-Compartment Fire-Extinguishing System

ZONE: 210

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

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

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 26-16-00-710-001-A	Operational Check of Cargo Compartment Smoke Detection by PTT

3. Job Set-up
Subtask 26-23-00-861-050-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 26-23-00-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR COND/SDCU/CHAN1	11WQ	C06
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DIR ESS/2	157RH	G02
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DIR ESS/1	150RH	G01
** 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/CARGO FIRE/EXTIG/BTL1	1WX	C03
** ON A/C NOT FOR ALL
49VU	COM DIR ESS/2	157RH	G02
** ON A/C NOT FOR ALL
49VU	COM NAV/CIDS/DIR2 ESS	157RH	G02
49VU	COM NAV/CIDS/DIR1 ESS	150RH	G01
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO FIRE/EXTIG/BTL2	8WX	C05
49VU	AIR COND/CARGO/FIRE/EXTIG/BTL1	1WX	C04
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO FIRE/EXTIG/BTL2	8WX	C04
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO/FIRE/EXTIG/BTL1	1WX	C03
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DIR NORM/2	156RH	M06
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M05
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DIR NORM/2	156RH	M07
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M06
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DIR2 NORM	156RH	M06
121VU	COM NAV/CIDS/DIR1 NORM	151RH	M05
** ON A/C NOT FOR ALL
122VU	AIR COND/SDCU/CHAN2	12WQ	T18
** ON A/C NOT FOR ALL
122VU	AIR COND/CARGO/FIRE/EXTIG	1WX	T19
** 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

4. Procedure
Subtask 26-23-00-710-050-A

A. Operational Test
(1) Do the operational test of the cargo-compartment smoke-detection system by PTT (Ref. AMM TASK 26-16-00-710-001).

[Rev.10 from 2021] 2026.03.31 23:45:52 UTC