Installation of the Cabin Intercommunication Data System (CIDS) Director
TASK 23-73-34-400-001-B
Installation of the Cabin Intercommunication Data System (CIDS) Director
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 23-73-34-860-057-A ** ON A/C NOT FOR ALL
Subtask 23-73-34-420-055-A ** ON A/C NOT FOR ALL
Subtask 23-73-34-410-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:12:31 UTC
Installation of the Cabin Intercommunication Data System (CIDS) Director
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 127 | REAR AVIONIC COMPARTMENT |
| 128 | REAR AVIONIC COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 23-73-00-740-005-B | Interface and Power-Up Test of the Cabin Intercommunication Data System (CIDS) through the CFDS |
| TASK 23-73-00-869-001-A | OBRM - Download Procedure |
| 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 26-10-00-740-802-A | Ground Scanning of the Cabin Intercommunication Data-System (CIDS) - Smoke Detection Function (SDF) |
| TASK 26-16-00-710-001-A | Operational Check of Cargo Compartment Smoke Detection by PTT |
| TASK 26-17-00-710-001-A | Operational Test of the Lavatory Smoke-Detection System |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Subtask 23-73-34-860-057-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
Subtask 23-73-34-865-059-A ** ON A/C NOT FOR ALL (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 23-73-34-010-052-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 101RH (DIRCIDS, 1) | |||
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR1 ESS | 15WH | C05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM NAV/CIDS/DIR1 ESS | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR1 NORM | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/1 | 17WH | T17 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 102RH (DIRCIDS, 2) | |||
| 49VU | COM/CIDS/DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR2 ESS | 18WH | C06 |
| ** 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 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M07 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR2 NORM | 156RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/2 | 14WH | T18 |
C. Get Access
(1) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at access door 824 in zone 128.
(2) Make sure that access door 824 is open.
4. Procedure(1) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at access door 824 in zone 128.
(2) Make sure that access door 824 is open.
Subtask 23-73-34-420-055-A ** ON A/C NOT FOR ALL
A. Installation of the CIDS Director
(1) If you sent the aircraft to service with only one CIDS director installed:
(a) If necessary, remove the plug(s) from the ventilation holes that have marks.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Remove the blanking caps from the electrical connectors (1).
(5) Make sure that the electrical connectors (1) are clean and in the correct condition.
(6) Install the CIDS director (5) on its rack (2).
(7) Push the CIDS director (5) on its rack (2) to connect the electrical connectors (1).
(8) Engage the nuts (3) on the lugs (4) and tighten them.
Subtask 23-73-34-865-060-A ** ON A/C NOT FOR ALL (1) If you sent the aircraft to service with only one CIDS director installed:
(a) If necessary, remove the plug(s) from the ventilation holes that have marks.
(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Remove the blanking caps from the electrical connectors (1).
(5) Make sure that the electrical connectors (1) are clean and in the correct condition.
(6) Install the CIDS director (5) on its rack (2).
(7) Push the CIDS director (5) on its rack (2) to connect the electrical connectors (1).
(8) Engage the nuts (3) on the lugs (4) and tighten them.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-73-34-610-051-A ** ON A/C NOT FOR ALL Subtask 23-73-34-740-052-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 101RH (DIRCIDS, 1) | |||
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR1 ESS | 15WH | C05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM NAV/CIDS/DIR1 ESS | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR1 NORM | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/1 | 17WH | T17 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 102RH (DIRCIDS, 2) | |||
| 49VU | COM/CIDS/DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR2 ESS | 18WH | C06 |
| ** 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 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M07 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR2 NORM | 156RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/2 | 14WH | T18 |
D. Do these tests:
Subtask 23-73-34-740-052-B ** ON A/C NOT FOR ALL - Do the BITE test of the Cabin Intercommunication Data System (CIDS) (Ref. AMM TASK 23-73-00-740-005).
- Do the operational test of the lavatory smoke-detection system (Ref. AMM TASK 26-17-00-710-001).
- Do the operational test of the cargo-compartment smoke detection by the PTT (Ref. AMM TASK 26-16-00-710-001).
D. Do these tests:
Subtask 23-73-34-740-053-A ** ON A/C NOT FOR ALL - Do the BITE test of the Cabin Intercommunication Data System (CIDS) (Ref. AMM TASK 23-73-00-740-005).
- Do the operational test of the lavatory smoke-detection system (Ref. AMM TASK 26-17-00-710-001).
- Do the operational test of the cargo-compartment smoke detection by the PTT (Ref. AMM TASK 26-16-00-710-001).
E. Do the ground scanning of the Cabin Intercommunication Data System (CIDS) - Smoke Detection Function (SDF) (Ref. AMM TASK 26-10-00-740-802).
5. Close-upSubtask 23-73-34-410-051-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) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(3) Remove the access platform(s).
Subtask 23-73-34-862-052-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(3) Remove the access platform(s).
CIDS Director