Passenger Address (PA) Level Interrogation via CFDS

TASK 23-73-00-860-005-A
Passenger Address (PA) Level Interrogation via CFDS

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. Referenced Information

REFERENCE	DESIGNATION
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 31-32-00-860-003-A	Procedure to Get Access to the SYSTEM REPORT/TEST/COM Page
PA Level Interrogation Example ** ON A/C NOT FOR ALL
PA Level Interrogation Example ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 23-73-00-860-141-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) Energize the Centralized Fault Display System (CFDS).
(Ref. AMM TASK 31-32-00-860-003).
(3) Make sure that the Cabin Intercommunication Data System (CIDS) is energized
(Ref. AMM TASK 23-73-00-861-001).

Subtask 23-73-00-865-238-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
49VU	AIR COND/CAB/PRESS/CTL1	1HL	D09
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41
122VU	AIR COND/CAB PRESS/CTL/2	2HL	Y22

4. Procedure
Subtask 23-73-00-869-071-A ** ON A/C NOT FOR ALL

A. PA level interrogation

(1) On the CFDS MCDU, push the MCDU MENU pushbutton.

(2) Push the <CFDS related line select key.

(3) Push the <SYSTEM REPORT/TEST related line select key.

(4) Push the <COM related line select key.

(5) Push the <CIDS1 related line select key.

(6) Push the PA LEVEL REPORT> related line select key.

NOTE: The indicated cabin segments are not equivalent to the cabin zones.

5. Close-up
Subtask 23-73-00-869-072-A ** ON A/C NOT FOR ALL

A. On the CFDS MCDU, push the MCDU MENU pushbutton.

[Rev.10 from 2021] 2026.03.31 23:16:40 UTC