De-energize the Cabin Intercommunication Data System (CIDS)
TASK 23-73-00-862-001-A
De-energize the Cabin Intercommunication Data System (CIDS)
To prevent failure messages, it is necessary to de-energize CIDS in the correct sequence.
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 23-73-00-860-102-A
Subtask 23-73-00-862-061-A Subtask 23-73-00-865-109-A
[Rev.10 from 2021]
2026.03.31 23:16:33 UTC
De-energize the Cabin Intercommunication Data System (CIDS)
ZONE: 200
1. Reason for the JobTo prevent failure messages, it is necessary to de-energize CIDS in the correct sequence.
2. Job Set-up Information
A. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| REFERENCE | DESIGNATION |
|---|---|
| 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 23-73-00-860-102-A
A. De-energize CIDS
(1) Open the circuit breakers in the correct sequence.
4. Procedure(1) Open the circuit breakers in the correct sequence.
Subtask 23-73-00-862-061-A Subtask 23-73-00-865-109-A
B. Open, safety and tag these circuit breakers in this sequence:
| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/DIR 2/BAT | 146RH | P14 |
| 121VU | COM/CIDS/DIR 1/BAT | 147RH | P13 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM NAV/CIDS/DIR1 ESS | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM NAV/CIDS/DIR2 ESS | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 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 | |||
| 49VU | AIR COND/CIDS/SDF/DIR1 ESS | 15WH | C05 |
| 49VU | AIR COND/CIDS/SDF/DIR2 ESS | 18WH | C06 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR1 NORM | 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/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR2 NORM | 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/DIR NORM/2 | 156RH | M06 |
| ** 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 | |||
| 121VU | COM/CIDS/DEU B/BAT | 143RH | N12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/DEU A BAT/LINE 1 | 144RH | N13 |
| 121VU | COM/CIDS/DEU A BAT/LINE 2 | 145RH | N14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/BAT/CTL | 148RH | P12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/FLT ATTND PANL/BAT | 149RH | Q13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/FWD ATTND PNL/BAT | 149RH | Q13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/DEU A BAT/FWD R | 258RH | N14 |
| 121VU | COM/CIDS/DEU A BAT/L FWD | 259RH | N13 |
| 121VU | COM/CIDS/DEU A BAT/AFT R | 272RH | Q11 |
| 121VU | COM/CIDS/DEU A BAT/AFT L | 279RH | Q10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DEU A BAT MID L | 295RH | M12 |
| 121VU | DEU A BAT MID R | 296RH | M13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/DEU B BAT/L | 719RH | Q10 |
| 121VU | COM/CIDS/DEU B BAT/R | 720RH | Q11 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU B/ESS | 153RH | G03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU A ESS/LINE 1 | 154RH | G04 |
| 49VU | COM/CIDS/DEU A ESS/LINE 2 | 155RH | G05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU A ESS/FWD R | 158RH | HA10 |
| 49VU | COM/CIDS/DEU A ESS/FWD L | 159RH | HA09 |
| 49VU | COM/CIDS/FLT ATTND PNL/ESS | 171RH | H01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/FLT ATTND PNL/ESS | 171RH | G03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU A ESS/AFT R | 172RH | HA12 |
| 49VU | COM/CIDS/DEU A ESS/AFT L | 179RH | HA11 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM / CIDS / DEU A ESS / MID L | 195RH | G04 |
| 49VU | COM / CIDS / DEU A ESS / MID R | 196RH | G05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU B ESS/L | 419RH | G04 |
| 49VU | COM/CIDS/DEU B ESS/R | 420RH | G05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/PROG &/TST PNL | 161RH | M08 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/PROG &/TST PNL | 161RH | M07 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU B/NORM | 162RH | M09 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU B/NORM | 162RH | M08 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L FWD | 163RH | M10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L FWD | 163RH | M09 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R FWD | 164RH | M11 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R FWD | 164RH | M10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L MID | 165RH | M12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L MID | 165RH | M11 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R MID | 166RH | M13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R MID | 166RH | M12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L AFT | 167RH | M11 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L AFT | 167RH | M13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R AFT | 168RH | M12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R AFT | 168RH | M14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM /CIDS/FWD ATTND/PNL | 170RH | Q14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM /CIDS/FLT ATTND/PNL | 170RH | Q14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM CIDS FWD ATTND PNL | 170RH | Q14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/FAP1/NORM | 170RH | Q14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/FWD ATTND/PNL | 170RH | Q14 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS-DEU A NORM-AFT-LH | 173RH | C06 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS/ DEU A NORM AFT LH | 173RH | C07 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS-DEU A NORM-AFT-RH | 174RH | C07 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS/ DEU A NORM AFT RH | 174RH | C08 |
| 2001VU | CIDS/ DEU A NORM MID 2 LH | 175RH | C05 |
| 2001VU | CIDS/ DEU A NORM MID 2 RH | 176RH | C06 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM / CIDS / DEU B / NORM FWD | 193RH | M09 |
| 2001VU | CIDS-DEU B-NORM-AFT | 194RH | C08 |
| 2001VU | CIDS-DEU A NORM-MID-LH | 197RH | C04 |
| 2001VU | CIDS-DEU A NORM-MID-RH | 198RH | C05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU B NORM/L | 619RH | M07 |
| 121VU | COM NAV/CIDS/DEU B NORM/R | 620RH | M08 |