Operational Test of the Integrated In-Flight Entertainment (IFE) System

TASK 23-33-00-710-005-A
Operational Test of the Integrated In-Flight Entertainment (IFE) System

ZONE: 120
ZONE: 200
ZONE: 220

1. Reason for the Job
To make sure that the IFE System operates correctly.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	HEADSET - ELECTRICAL

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
120	AVIONICS COMPARTMENT
200	UPPER HALF FUSELAGE
220	FWD CAB UTILITY AREAS

C. Referenced Information

REFERENCE	DESIGNATION
TASK 23-33-00-710-811-A	Operational Test of the Configuration and of the Conformity
TASK 23-33-00-710-814-A	Operational Test of the Entertainment System on the Personal Electronic Device
TASK 23-33-00-710-817-A	Operational Test of the Passenger Announcement
TASK 23-33-00-710-819-A	Operational Test of the Boarding Music
TASK 23-33-00-710-820-A	Operational Test of the Pre-Recorded Announcement Message
TASK 23-33-00-710-821-A	Operational Test of the Decompression/Fasten Seat Belts/No Smoking Functions
TASK 23-33-00-740-804-A	BITE Test of the Wireless System
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 23-33-00-861-063-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).

Subtask 23-33-00-010-069-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the applicable access door(s) to get access to Video Control Center (VCC) 10MH (if applicable).

Subtask 23-33-00-865-220-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	OXYGEN/PASSENGER/ACTUATION	7WR	HA08
49VU	OXYGEN/PASSENGER/ACTUATION	6WR	HA07
49VU	OXYGEN/PASSENGER/ACTUATION	5WR	HA06
49VU	OXYGEN/PASSENGER/ACTUATION	4WR	HA05
49VU	OXYGEN/PASSENGER/CTL AND WARN	3WR	HA04
49VU	OXYGEN/PASSENGER/CTL AND WARN	2WR	HA03
49VU	OXYGEN/PASSENGER/CTL AND WARN	1WR	HA02
** ON A/C NOT FOR ALL
2000VU	IFE-IFEC-AC	22MK	C04
** ON A/C NOT FOR ALL
2000VU	INSEAT POWER-MCU 2	59HP	B08
2000VU	INSEAT POWER-MCU 1	58HP	B05
2000VU	IFE-VCC-AC	21MH	C02
2000VU	IFE-VCC-DC	20MH	C01
2000VU	IFE/SEAT-POWER-PAX SYS	20MK	D08
2000VU	WAP	27MH	D07
** ON A/C NOT FOR ALL
2000VU	IFE-IFEC-AC	22MK	C06
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC - CTL	21MK	D01
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CABIN AFT-RH	25MH	C06
2000VU	PES-VIDEO-CABIN AFT-LH	23MH	C05
2000VU	PES-VIDEO-CABIN FWD-RH	24MH	C04
2000VU	PES-VIDEO-CABIN FWD-LH	22MH	C03
2000VU	PES-VIDEO-CONTROL-VCC-DS/C	21MH	C02
2000VU	PES-VIDEO-CONTROL-MAIN	20MH	C01
2000VU	PES-MUSIC-CABIN AFT-LH	22MK	D04
2000VU	PES-MUSIC-CABIN FWD-RH	24MK	D03
2000VU	PES-MUSIC-CABIN FWD-LH	23MK	D02
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC-CTL	21MK	D01

Subtask 23-33-00-860-057-L ** 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) Push the VCC MAIN POWER P/BSW on Video Control Center (VCC) 10MH and make sure that the internal light comes on.
(3) Make sure that the integrated In-Flight Entertainment (IFE) system boot sequence is completed.

NOTE: Approximately five minutes are necessary to complete the boot sequence.

(4) In the cabin, on all emergency oxygen containers, do step (a) and/or step (b) as applicable:
(a) Pull out the test button with your fingers. Then turn it 90 degrees to the TEST position.
(b) Push the left side of the test button on the door assembly.

NOTE: The over-center spring keeps the lever of the test button at 90 degrees to the door surface. The lever of the test button must stay in this position until you set it to the initial position.

(5) As necessary, connect a HEADSET - ELECTRICAL to the seat audio jacks.

4. Procedure
Subtask 23-33-00-710-056-O ** ON A/C NOT FOR ALL

A. Operational Test of the Boarding Music

ACTION	RESULT
1.At the Control Panel (CP) 11MH, on the MAIN MENU screen:	At the CP 11MH:
touch the BOARDING MUSIC button	the BOARDING MUSIC screen shows
make a selection of a boarding music title	the music title selection is highlighted
touch the PLAY button.	the PLAY button changes to STOP.
	In the passenger compartment: you hear the boarding music from the overhead speakers and from the headset connected to the remote jack module at the passenger seats if installed.
2.At the CP 11MH, on the BOARDING MUSIC screen:	In the passenger compartment:
touch the VOLUME UP button	the volume of the boarding music increases
touch the VOLUME DOWN button.	the volume of the boarding music decreases.
3.At the Forward Attendant Station:	In the passenger compartment:
lift the handset from the cradle
push and hold the PTT pushbutton switch and make an announcement.	the boarding music stops
	you can hear the announcement from the overhead speakers and from the headset connected to the remote jack module at the passenger seats if installed.
4.At the Forward Attendant Station:	In the passenger compartment:
release the PTT pushbutton switch
put the handset back on the cradle.	you can hear boarding music from the overhead speakers and from the headset connected to the remote jack module at the passenger seats if installed.
5.At the CP 11MH, on the BOARDING MUSIC screen:	In the passenger compartment:
push the STOP button.	the boarding music stops.
	At the CP 11MH: the MAIN MENU screen shows.

Subtask 23-33-00-710-065-W ** ON A/C NOT FOR ALL

B. Operational Test of the Audio Announcements

ACTION	RESULT
1.At the Control Panel (CP) 11MH, on the MAIN MENU screen:	At the CP 11MH:
touch the AUDIO ANNOUNCEMENTS button.	the AUDIO ANNOUNCEMENTS screen shows
	a list of pre-recorded announcements shows on the AUDIO ANNOUNCEMENTS screen.
2.At the CP 11MH, on the AUDIO ANNOUNCEMENTS screen:	At the CP 11MH, on the AUDIO ANNOUNCEMENTS screen:
make a selection of one of the pre-recorded announcements.	the title of the announcement is highlighted.
3.At the CP 11MH, on the AUDIO ANNOUNCEMENTS screen:	In the passenger compartment:
touch the SELECT ALL button touch the OK button
touch the PLAY button.	you hear the pre-recorded announcement from the overhead speakers you can hear the announcement from the headset connected to the remote jack module at the passenger seats if installed.
4.At the CP 11MH, on the AUDIO ANNOUNCEMENTS screen:	In the passenger compartment:
touch STOP button.	the pre-recorded announcement stops.
5.At the CP 11MH, on the AUDIO ANNOUNCEMENTS/PA screen:	In the passenger compartment:
make a selection of three pre-recorded announcements
touch the PLAY ALL button.	you can hear the announcements in sequence from the overhead speakers.
6.At the forward attendant station:	In the passenger compartment:
lift the handset from the cradle
push and hold the PTT pushbutton switch and make a PA announcement.	the pre-recorded announcement is cancelled you can hear the PA announcement from the overhead speakers and the headsets connected to the remote jack module at the passenger seats if installed.
7.At the forward attendant panel:	In the passenger compartment:
release the PTT pushbutton switch and put the handset back on the cradle.	you can hear the pre-recorded announcement from the overhead speakers and the headsets if installed.
8.At the CP 11MH, on the AUDIO ANNOUNCEMENTS screen:	At the CP 11MH:
touch the BACK button.	the MAIN MENU screen shows.

Subtask 23-33-00-710-059-AT ** ON A/C NOT FOR ALL

C. Operational Test of the Video Announcement (Video PA)

ACTION	RESULT
1.On the Control Panel (CP) 11MH, on the MAIN MENU screen:	On the CP 11MH:
touch the ENTERTAINMENT button touch the MOVIES button.	a list of video announcements shows on the ENTERTAINMENT screen.
2.On the CP 11MH, on the ENTERTAINMENT screen:	On the ENTERTAINMENT screen:
make a selection of one of the video announcements.	the title of the video announcement is highlighted.
3.On the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
touch the ZONE1 button touch the ZONE2 button	all the Hatrack Mounted Display-Units (HMDU) extend from the hatracks.
touch the PLAY icon.	the video announcement shows on the HMDUs and on the Wall Mounted Display-Units (WMDUs) you hear the related audio from the overhead speakers and the headsets connected to the remote jack module at the passenger seats if installed.
4.On the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
touch the VOL UP and DOWN icons to increase and decrease the volume level of the announcement.	the volume level of the announcement increases and decreases.
5.On the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
touch the STOP icon.	the video announcement stops the audio of the video announcement stops.
6.On the CP 11MH, on the ENTERTAINMENT screen:	On the CP 11MH:
touch the Back button.	the MAIN MENU screen shows.

Subtask 23-33-00-710-067-K ** ON A/C NOT FOR ALL

D. Operational Test of the iXplor/Airshow

ACTION	RESULT
1.At the Entertainment Control Panel/Crew Panel 11MH, on the Main Menu screen:	At the Entertainment Control Panel/Crew Panel 11MH:
Touch the ENTERTAINMENT button.	The ENTERTAINMENT screen shows.
2.At the Entertainment Control Panel/Crew Panel 11MH, on the ENTERTAINMENT screen	In the passenger compartment:
Touch the MOVING MAP button.	The HMDUs extend from the hatrack.
3.At the Entertainment Control Panel/Crew Panel 11MH:	At the Entertainment Control Panel/Crew Panel 11MH, on the Preview Map screen:
Touch the MOVING MAP button.	The Moving Map shows on the preview screen.
Touch the PLAY icon Make a ZONE1 selection.	In the passenger cabin: The Moving Map shows on the HMDUs.
4.At the Entertainment Control Panel/Crew Panel 11MH, on the Preview Map screen:	On the Preview Map screen:
Touch the STOP icon.	The Moving Map stops on the preview screen.
	In the passenger compartment: The Moving Map stops on the HMDUs.
5.At the Entertainment Control Panel/Crew Panel 11MH:	At the Entertainment Control Panel/Crew Panel 11MH:
Touch the BACK button.	The Main Menu screen shows.

Subtask 23-33-00-710-067-Q ** ON A/C NOT FOR ALL

D. Operational Test of the iXplor/Airshow

ACTION	RESULT
1.At the Control Panel (CP) 11MH, on the Main Menu screen:	At the CP 11MH:
touch the ENTERTAINMENT button.	the ENTERTAINMENT screen shows.
2.At the CP 11MH, on the ENTERTAINMENT screen:	In the passenger cabin:
touch the MOVING MAP button.	the HMDUs extend from the hatrack.
3.At the CP 11MH:	At the CP 11MH, on the Preview Map screen:
touch the MOVING MAP button.	the Moving Map shows on the preview screen.
touch the PLAY icon make a ZONE1 and ZONE2 selection.	In the passenger cabin: the Moving Map shows on the HMDUs and on the WMDUs.
4.At the CP 11MH, on the Preview Map screen:	On the Preview Map screen:
touch the STOP icon.	the Moving Map stops on the preview screen.
	In the passenger cabin: the Moving Map stops on the HMDUs and on the WMDUs.
5.At the CP 11MH:	At the CP 11MH:
touch the BACK button.	the Main Menu screen shows.

Subtask 23-33-00-710-062-Q ** ON A/C NOT FOR ALL

E. Operational Test of the Overhead Video

ACTION	RESULT
1.On the Crew Panel (CP) / System Control Unit (SCU) 11MH, on the MAIN MENU screen:	On the CP/SCU 11MH:
Touch the ENTERTAINMENT button Touch the MOVIES button.	The list of video titles shows on the ENTERTAINMENT screen.
2.On the CP/SCU 11MH, on the ENTERTAINMENT screen:	On the ENTERTAINMENT screen:
Make a selection of one of the video titles.	The title of the video is highlighted.
3.On the CP/SCU 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
Touch the ZONE1 button Touch the ZONE2 button.	All the Hatrack Mounted Display-Units (HMDU) extend from the hatracks.
Touch the PLAY icon.	The video shows on the HMDUs You can hear the related audio from the overhead speakers and the headsets connected to the remote jack module at the passenger seats.
4.On the CP/SCU 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
Touch the VOL UP and DOWN icons to increase and decrease the volume level of the video.	The volume level of the video increases and decreases.
5.In the passenger compartment, on the PCU:	In the passenger compartment, at the passenger seats:
Touch the VOL UP and DOWN button to increase and decrease the volume level of the video on the connected Headset.	The volume level of the video increases and decreases.
6.On the CP/SCU 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
Touch the STOP icon.	The audio and video stops.
7.At the CP/SCU 11MH, on the ENTERTAINMENT screen:
Do the steps 2. to 6. for the Business Class (B/C) and the Economy Class (Y/C) independently.
8.On the CP/SCU 11MH, on the ENTERTAINMENT screen:	On the CP/SCU 11MH:
Touch the Back button.	The MAIN MENU screen shows.

Subtask 23-33-00-710-063-Z ** ON A/C NOT FOR ALL

F. Operational Test of the Decompression Function

ACTION	RESULT
1.At the Entertainment Control Panel 11MH, on the MAIN MENU screen:	At the Entertainment Control Panel 11MH:
Touch the ENTERTAINMENT button.	The ENTERTAINMENT screen shows on the display
2.At the Entertainment Control Panel 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
Touch the MOVING MAP button.	The HMDUs extend from the hatrack.
3.At the Entertainment Control Panel 11MH: Touch the MOVING MAP button.	The Moving Map shows on the preview screen.
Touch the PLAY button.	In the passenger compartment: The Moving Map shows on the HMDUs.
4.In the passenger compartment:	In the passenger compartment:
Make sure that the emergency oxygen-container door-stops are set to the TEST position.
5.In the cockpit, on panel 21VU:	In the cockpit, on panel 21VU and in the passenger compartment:
CAUTION: DO NOT PUSH IN THE "MASK MAN ON" PUSHBUTTON SWITCH 14WR FOR MORE THAN 5 SECONDS. Lift the OXYGEN/MASK MAN ON 14WR switch guard and push the pushbutton switch.
Release the OXYGEN/MASK MAN ON 14WR pushbutton switch.	The OXYGEN/PASSENGER/SYS ON indication light comes on.
	The HMDUs go off and retract into the hatracks.
	You can hear the emergency announcement from the overhead speakers.
6.In the cockpit, on panel 50VU:	In the cockpit, on panel 21VU:
Push the OXYGEN/TMR RESET 13WR pushbutton switch.	The OXYGEN/PASSENGER/SYS ON light goes off.

Subtask 23-33-00-710-062-T ** ON A/C NOT FOR ALL

G. Operational Test of the Overhead Video

ACTION	RESULT
1.On the Control Panel (CP) 11MH, on the MAIN MENU screen:	On the CP 11MH:
touch the ENTERTAINMENT button touch the MOVIES button.	a list of video titles shows on the ENTERTAINMENT screen.
2.On the CP 11MH, on the ENTERTAINMENT screen:	On the ENTERTAINMENT screen:
make a selection of one of the video titles.	the title of the video is highlighted.
3.On the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
touch the ZONE1 button touch the ZONE2 button	all the Hatrack Mounted Display-Units (HMDU) extend from the hatracks
touch the PLAY icon.	the video shows on the HMDUs and on the WMDUs you hear the related audio from the overhead speakers and the headsets connected to the remote jack module at the passenger seats if installed.
4.On the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
touch the VOL UP and DOWN icons to increase and decrease the volume level of the video.	the volume level of the video increases and decreases.
5.In the passenger compartment, on the PCU:	In the passenger compartment, at the passenger seats:
touch the VOL UP and DOWN button to increase and decrease the volume level of the video on the connected Headset.	the volume level of the video increases and decreases.
6.On the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
touch the STOP icon.	the audio and video stops.
7.On the CP 11MH, on the ENTERTAINMENT screen:	On the CP 11MH:
touch the Back button.	the MAIN MENU screen shows.

Subtask 23-33-00-710-063-AQ ** ON A/C NOT FOR ALL

CAUTION: DO NOT PUSH IN THE "MASK MAN ON" PUSHBUTTON SWITCH 14WR FOR MORE THAN 5 SECONDS.

H. Operational Test of the Decompression Function

ACTION	RESULT
1.At the Control Panel (CP) 11MH, on the MAIN MENU screen:	At the CP 11MH:
touch the ENTERTAINMENT button.	the ENTERTAINMENT screen shows.
2.At the CP 11MH, on the ENTERTAINMENT screen:	In the passenger compartment:
make a selection of a video make a ZONE1 and ZONE2 selection	all the Hatrack Mounted Display-Units (HMDUs) extend from the hatracks
touch the PLAY button.	the video shows on all the HMDUs and on the WMDUs you can hear the audio of the video from the headsets connected to the remote jack module on the passenger seats you cannot hear the audio of the video from the overhead speakers.
3.In the passenger compartment:
make sure that the emergency oxygen-container door-stops are set to the TEST position.
4.In the cockpit, on panel 21VU:	In the cockpit, on panel 21VU and in the passenger compartment:
CAUTION : DO NOT PUSH IN THE "MASK MAN ON" PUSHBUTTON SWITCH 14WR FOR MORE THAN 5 SECONDS
lift the OXYGEN/MASK MAN ON 14WR switch guard and push the pushbutton switch
release the OXYGEN/MASK MAN ON 14WR pushbutton switch.	the OXYGEN/PASSENGER/SYS ON indication light comes on
	the HMDUs and the WMDUs go off and the HDMUs retract into the hatracks
	you hear an emergency announcement from the overhead speakers and the headsets connected to the remote jack module at the passenger seats.
5.In the cockpit, on panel 50VU:	In the cockpit, on panel 21VU:
push the OXYGEN/TMR RESET 13WR pushbutton switch.	the OXYGEN/PASSENGER/SYS ON light goes off.

Subtask 23-33-00-710-103-B ** ON A/C NOT FOR ALL

I. Test of the Wireless Access Point (Wireless BITE/Ground Test/Wireless Access Point to Wireless Access Point)

ACTION	RESULT
1.On control panel 11MH, on the "WELCOME" screen:	On control panel 11MH:
Touch the MAINTENANCE icon.	The "MAINTENANCE MODE LOGIN" screen comes into view.
2.On control panel 11MH, on the "MAINTENANCE MODE LOGIN" screen:	On control panel 11MH:
Enter the correct password. Touch the ENTER icon.	A warning pop-up that shows MAINTENANCE MODE stops all entertainment to the passengers comes into view.
Touch the YES icon.	The "MAINTENANCE MODE LOGIN" screen comes into view.
3.On control panel 11MH, on the "MAINTENANCE MODE LOGIN" screen:	On control panel 11MH:
Touch the hand in the bottom right corner of the screen.	The "APPLICATION SELECTION" screen comes into view.
4.On control panel 11MH, on the "APPLICATION SELECTION" screen:	On control panel 11MH:
Touch the WIRELESS STATUS icon.	The "WIRELESS STATUS" screen comes into view.
Monitor the BITE Status.	Make sure that the BITE status shows: "Wireless Software: OK" "IFE Software: OK" "MAP Software: OK" "WAP 1: OK" "WAP 2: OK" "WAP 3: OK" "WAP 4: OK" (if installed).
5.On control panel 11MH:	On control panel 11MH:
Touch the GROUND TEST icon.	The two frequencies 2.4 GHz and 5.0 GHz are operative by default for all Wireless Access Points (WAPs).
6.On control panel 11MH:	On control panel 11MH:
Touch the WAP TO WAP icon.	The "WAP TO WAP" test screen comes into view.
7.On control panel 11MH, on the "WAP TO WAP" test screen:	On control panel 11MH:
Touch the RUN WAP TO WAP test icon.	The WAP TO WAP test starts. NOTE: Approximately, a minimum of 3 minutes is necessary for this test.
8.On control panel 11MH, before the end of the 3 minutes:	On control panel 11MH, before the end of the 3 minutes:
Touch the GROUND TEST icon.	The "GROUND TEST" screen comes into view.
Monitor the status of each frequency.	Make sure that for each cycle of WAP (on and off) and for many combinations, the two frequencies show ON for all WAPs. NOTE: Approximately, a minimum of 3 minutes is necessary for this test.
9.On control panel 11MH:	On control panel 11MH:
Touch the WAP TO WAP icon.	The "WAP TO WAP" test screen comes into view. The result for all WAPs list is green.

Subtask 23-33-00-710-115-A ** ON A/C NOT FOR ALL

J. List of the Tests
(1) Do the tests as follows:

Operational Test of the Configuration and of the Conformity (Ref. AMM TASK 23-33-00-710-811)
BITE Test of the Wireless System (Ref. AMM TASK 23-33-00-740-804)
Operational Test of the Entertainment System on the Personal Electronic Device (Ref. AMM TASK 23-33-00-710-814)
Operational Test of the Passenger Announcement (Ref. AMM TASK 23-33-00-710-817)
Operational Test of the Boarding Music (Ref. AMM TASK 23-33-00-710-819)
Operational Test of the Pre-Recorded Announcement Message (Ref. AMM TASK 23-33-00-710-820)
Operational Test of the Decompression/Fasten Seat Belts/No Smoking Functions (Ref. AMM TASK 23-33-00-710-821).

5. Close-up
Subtask 23-33-00-410-058-H ** ON A/C NOT FOR ALL

A. Close Access
(1) Remove the headsets connected to the seat audio jacks, if installed.
(2) In the cabin, on all emergency oxygen containers:
(a) Close the doors of the emergency oxygen containers:

CAUTION: DO NOT USE TOO MUCH FORCE TO CLOSE THE EMERGENCY OXYGEN CONTAINER. IF YOU USE TOO MUCH FORCE, YOU CAN CAUSE DAMAGE TO THE LATCH MECHANISM. IF THE LATCH MECHANISM DOES NOT ENGAGE EASILY, MAKE SURE THAT THE EQUIPMENT IN THE EMERGENCY OXYGEN CONTAINER IS CORRECTLY INSTALLED.

1 Push the door of the emergency oxygen container to the closed position.
2 Push the door of the emergency oxygen container, at both sides of the test button, to lock the latch mechanism.
3 Make sure that the door is flush with the adjacent panels.
4 Do step (b) and/or step (c) as applicable.
(b) Turn the test buttons 90 degrees to normal position.

NOTE: Spring tension will retract the test buttons automatically when they are in the normal position.

(3) Make sure that the switch guard is in position on the MASK MAN ON pushbutton switch.
(4) Push the VCC MAIN POWER P/BSW on VCC 10MH and make sure that the internal light goes off.
(5) Close the applicable access door(s) to VCC 10MH.

Subtask 23-33-00-410-058-S ** ON A/C NOT FOR ALL

A. Close Access
(1) Remove the headsets connected to the remote jack module, if installed.
(2) Push the doors of the emergency oxygen containers to the CLOSED position until they engage.
(3) On the emergency oxygen containers turn the door stops to the NORMAL position and let them retract into their containers.
(4) Push the VCC-MAIN-POWER pushbutton-switch on the Video Control Center (VCC) and make sure that the internal light goes off.
(5) Close the applicable access door(s) to the VCC (10MH).

Subtask 23-33-00-860-058-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to the serviceable condition.
(1) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 05:24:59 UTC