Functional Test of an Air Extraction Point
TASK 21-23-00-720-002-A
Functional Test of an Air Extraction Point
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 21-23-00-861-052-A Subtask 21-23-00-865-051-A
Subtask 21-23-00-720-051-A
Subtask 21-23-00-862-052-A
[Rev.10 from 2021]
2026.03.31 23:01:20 UTC
Functional Test of an Air Extraction Point
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. 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) |
Subtask 21-23-00-861-052-A Subtask 21-23-00-865-051-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 122VU | AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL | 5HU | U21 |
| 122VU | AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY | 6HU | U19 |
Subtask 21-23-00-720-051-A
A. Functional Test of a Air Extraction Point
(1) At the relevant air extraction point make sure that there is a good flow of air through the grid or grill.
5. Close-up(1) At the relevant air extraction point make sure that there is a good flow of air through the grid or grill.
Subtask 21-23-00-862-052-A