W DOC AIRBUS | AMM A320F

Installation of the Return to Seat sign


TASK 23-73-62-400-001-A
Installation of the Return to Seat sign


1. Reason for the Job
Self Explanatory
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
TASK 23-73-00-740-005-A
BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 23-73-00-861-001-A
Energize the Cabin Intercommunication Data System (CIDS)
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)
3. Job Set-up
Subtask 23-73-62-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) Make sure that the service cabinet door is open.
Subtask 23-73-62-865-051-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CIDS/DEU A ESS/LINE 2155RHG05
49VUCOM/CIDS/DEU A ESS/LINE 1154RHG04
49VUCOM/CIDS/DIR ESS/1150RHG01
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/R AFT168RHM14
121VUCOM NAV/CIDS/DEU A NORM/L AFT167RHM13
121VUCOM NAV/CIDS/DEU A NORM/L FWD163RHM09
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/L FWD163RHM10
2001VUCIDS/ DEU A NORM AFT RH174RHC08
2001VUCIDS/ DEU A NORM AFT LH173RHC07
2001VUCIDS/ DEU A NORM MID 2 RH176RHC06
2001VUCIDS/ DEU A NORM MID 2 LH175RHC05
4. Procedure
Subtask 23-73-62-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Return to Seat sign in the upper service cabinet door
F Return to Seat Sign ** ON A/C NOT FOR ALL
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Install the RTS sign (3) in the service unit (9).

NOTE: Make sure that you hear a click when the RTS sign locks in position.
   (4) Install the upper service cabinet door (8) with the washers (4) and the screws (5).
   (5) Install the upper cover (1) (where applicable).
   (6) Make sure that the work area is clean and clear of tools and other items.
   (7) Close the lower service cabinet door (6).
Subtask 23-73-62-420-056-A ** ON A/C NOT FOR ALL
B. Installation of the Return to Seat sign in the cabinet door
F Return To Seat Sign ** ON A/C NOT FOR ALL
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Install the RTS sign (4) in the service unit (1).

NOTE: Make sure that you hear a click when the RTS sign locks into position.
   (4) Make sure that the work area is clean and clear of tools and other items.
   (5) Close the service cabinet door (5).
Subtask 23-73-62-865-074-A ** ON A/C NOT FOR ALL
C. Remove the safety clips and tags and close these circuit breakers in this sequence:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2001VUCIDS/ DEU A NORM MID 2 RH176RHC06
2001VUCIDS/ DEU A NORM MID 2 LH175RHC05
2001VUCIDS/ DEU A NORM AFT RH174RHC08
2001VUCIDS/ DEU A NORM AFT LH173RHC07
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/L AFT167RHM13
121VUCOM NAV/CIDS/DEU A NORM/R AFT168RHM14
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/L FWD163RHM10
** ON A/C NOT FOR ALL
121VUCOM NAV/CIDS/DEU A NORM/L FWD163RHM09
** ON A/C NOT FOR ALL
49VUCOM/CIDS/DEU A ESS/LINE 2155RHG05
49VUCOM/CIDS/DEU A ESS/LINE 1154RHG04
49VUCOM/CIDS/DIR ESS/1150RHG01
Subtask 23-73-62-869-050-A ** ON A/C NOT FOR ALL
D. Aircraft Maintenance Configuration
   (1) Make sure that the Cabin Intercommunication Data System (CIDS) is energized
(Ref. AMM TASK 23-73-00-861-001).
   (2) Do the BITE test of the Cabin Intercommunication Data System (CIDS) (Ref. AMM TASK 23-73-00-740-005).
Subtask 23-73-62-710-050-A ** ON A/C NOT FOR ALL
E. Do this test
ACTION
RESULT
1.In the cockpit, on the overhead panel 25VU:
In the related lavatory:
  • set the SEAT BELTS switch to the ON position.
  • the RTS sign comes on.
  • set the SEAT BELTS switch to the OFF position.
  • the RTS sign goes off.
5. Close-up
Subtask 23-73-62-862-050-A ** ON A/C NOT FOR ALL
A. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.03.31 23:19:03 UTC