Installation of the Cabin Intercommunication Data System (CIDS) Director
TASK 23-73-34-400-001-A
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 23-73-34-860-050-A ** ON A/C NOT FOR ALL
Subtask 23-73-34-420-051-A ** ON A/C NOT FOR ALL
Subtask 23-73-34-420-054-A ** ON A/C NOT FOR ALL
Subtask 23-73-34-410-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:18:16 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) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 127 | REAR AVIONIC COMPARTMENT |
| 128 | REAR AVIONIC COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 23-73-00-740-003-A | BITE-Test of the Cabin Intercommunication Data System (CIDS) through the PTP |
| TASK 23-73-00-740-005-A | BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS |
| 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 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Subtask 23-73-34-860-050-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 23-73-34-865-055-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 23-73-34-010-051-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 | |||
| 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 | |||
| FOR FIN: 102RH (DIRCIDS, 2) | |||
| 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 | COM DIR ESS/2 | 157RH | G02 |
| ** 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 |
C. Get Access
(1) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
4. Procedure(1) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
Subtask 23-73-34-420-051-A ** ON A/C NOT FOR ALL
A. Installation of CIDS Director 1
(a) If you sent the aircraft to service with only CIDS director 1, remove the plug(s) from the ventilation holes that have marks.
(b) Clean the component interfaces and the adjacent area.
(c) Do an inspection of the component interfaces and the adjacent area.
(d) Remove the blanking caps from the electrical connectors (1).
(e) Make sure that the electrical connectors (1) are clean and in the correct condition.
(2) Install CIDS director 1 (5) on its rack (2).
(3) Push CIDS director 1 (5) on its rack (2) to connect the electrical connectors (1).
(4) Engage the nuts (3) on the lugs (4) and tighten.
(5) Go to Para. 4.C. of this procedure.
Subtask 23-73-34-420-052-A ** ON A/C NOT FOR ALL NOTE: The installation procedure of CIDS director 1 is different from the installation procedure of CIDS director 2.
(1) Preparation of CIDS director 1 (a) If you sent the aircraft to service with only CIDS director 1, remove the plug(s) from the ventilation holes that have marks.
(b) Clean the component interfaces and the adjacent area.
(c) Do an inspection of the component interfaces and the adjacent area.
(d) Remove the blanking caps from the electrical connectors (1).
(e) Make sure that the electrical connectors (1) are clean and in the correct condition.
(2) Install CIDS director 1 (5) on its rack (2).
(3) Push CIDS director 1 (5) on its rack (2) to connect the electrical connectors (1).
(4) Engage the nuts (3) on the lugs (4) and tighten.
(5) Go to Para. 4.C. of this procedure.
B. Installation of CIDS Director 2
(a) Clean the component interface and/or the adjacent area.
(b) Do an inspection of the component interface and/or the adjacent area.
(c) Remove the blanking caps from the electrical connectors (1).
(d) Make sure that the electrical connectors (1) are clean and in the correct condition.
(2) Install CIDS director 2 (5) on its rack (2).
(3) Push CIDS director 2 (5) on its rack (2) to connect the electrical connectors (1).
(4) Engage the nuts (3) on the lugs (4) and tighten them.
Subtask 23-73-34-865-064-A ** ON A/C NOT FOR ALL NOTE: The installation procedure of CIDS director 2 is different from the installation procedure of CIDS director 1.
(1) Preparation of CIDS director 2 (a) Clean the component interface and/or the adjacent area.
(b) Do an inspection of the component interface and/or the adjacent area.
(c) Remove the blanking caps from the electrical connectors (1).
(d) Make sure that the electrical connectors (1) are clean and in the correct condition.
(2) Install CIDS director 2 (5) on its rack (2).
(3) Push CIDS director 2 (5) on its rack (2) to connect the electrical connectors (1).
(4) Engage the nuts (3) on the lugs (4) and tighten them.
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-73-34-865-057-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 | |||
| 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 | |||
| FOR FIN: 102RH (DIRCIDS, 2) | |||
| 49VU | COM/CIDS/DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM DIR ESS/2 | 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 |
CAUTION:
DO NOT OPEN THE CIRCUIT BREAKER OF THE CIDS DIRECTOR 2 BEFORE A MINIMUM OF THREE MINUTES AFTER YOU CLOSE THIS CIRCUIT BREAKER.
D. Open, safety and tag this(these) circuit breaker(s):| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** 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 | COM DIR ESS/2 | 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 |
E. Installation of CIDS Director 1
(1) FOR [102RH] (DIR-CIDS, 2)
Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connectors (1).
(4) Make sure that the electrical connectors (1) are clean and in the correct condition.
(5) Install CIDS director 1 (5) on its rack (2).
(6) Push CIDS director 1 (5) on its rack (2) to connect the electrical connectors (1).
(7) Engage the nuts (3) on the lugs (4) and tighten them.
Subtask 23-73-34-865-056-A ** ON A/C NOT FOR ALL (1) FOR [102RH] (DIR-CIDS, 2)
Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connectors (1).
(4) Make sure that the electrical connectors (1) are clean and in the correct condition.
(5) Install CIDS director 1 (5) on its rack (2).
(6) Push CIDS director 1 (5) on its rack (2) to connect the electrical connectors (1).
(7) Engage the nuts (3) on the lugs (4) and tighten them.
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-73-34-740-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** 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 | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM DIR ESS/2 | 157RH | G02 |
| ** 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 |
G. Do the BITE test of the Cabin Intercommunication Data System (CIDS) (Ref. AMM TASK 23-73-00-740-003).
Subtask 23-73-34-740-050-B ** ON A/C NOT FOR ALL G. Do the BITE test of the Cabin Intercommunication Data System (CIDS) (Ref. AMM TASK 23-73-00-740-005).
5. Close-upSubtask 23-73-34-410-050-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 23-73-34-862-050-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