Subtask 23-73-47-710-050-A
 E. Do this test.
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
 On the circuit breaker panel 121VU:

 - open the circuit breakers DIR NORM/1 and DIR NORM/2 151RH and 156RH.

 2.
 On the circuit breaker panel 49VU:

- open the circuit breakers DIR ESS/1 and DIR ESS/2 150RH and 157RH.
 -after approx. 10 s close the circuit breakers DIR ESS/1 and DIR ESS/2 150RH and 157RH.
 3. On the circuit breaker panel 121VU:
 -close the circuit breakers DIR NORM/1 and DIR NORM/2 151RH and 156RH.
On the Forward Attendant Panel (FAP)120RH:
-
the CIDS CAUT light comes on.

-
the CIDS CAUT light goes off.

 NOTE : Wait approx. 5 minutes before you start the next test step.
____
 -after approx. 5 minutes the CIDS CAUT
 light stays off.
 4. On the CFDS MCDU:  On the CFDS MCDU:
 - push the MENU pushbutton  - the MCDU MENU page comes on.
 switch. 

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 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
-
push the CFDS related line - the CFDS page comes on. selection key.

 -
push the SYSTEM REPORT/TEST  - the SYSTEM REPORT/TEST page comes on. related line selection key.

 -
push the COM related line  - the SYSTEM REPORT/TEST COM page comes selection key. on.

 -
push the CIDS1 related line  - the CIDS 1(ACT) page comes on.
 selection key.

 -
push the TEST related line  - the CIDS 1(ACT) TEST page comes on. selection key.

 -
push the DEU B related line  - the CIDS 1(ACT) CIDS DEU B TEST page

 selection key.  comes on with the message:
 ATA 23-73-47
 TEST IN PROGRESS comes on.

 -after not many seconds the TEST IN PROGRESS message changes to: TEST OK.
 **ON A/C ALL
 5. Close-up
________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 23-73-47-410-052
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the forward utility-area ceiling panel.

 -FOR 300RH1
 install 221BC (Ref. TASK 25-23-42-400-001)

 1EFF : ALL 1 23-73-47Page 427 1 1 Aug 01/05R 1 1 1CES 1

 (3)
 Install the upper sidewall panel.

 -FOR 300RH4
 install 242QW (Ref. TASK 25-23-43-400-001)

 (4)
 Install the aft utility-area ceiling panel.

 -FOR 300RH5, 300RH6
 install 261CC (Ref. TASK 25-23-42-400-002)

 **ON A/C 106-149,
 Subtask 23-73-47-410-052-C
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the forward utility area - ceiling panel:

 -FOR 300RH1
 install 221BC (Ref. TASK 25-23-42-400-001).

 (3)
 Install the cove light panel :

 -FOR 300RH6
 install 242WW (Ref. TASK 25-23-48-400-001).

 (4)
 Install the aft utility area - ceiling panel.

 -FOR 300RH7, 300RH8
 install 261DF (Ref. TASK 25-23-42-400-002).

 (5) Remove the STEPLADDER 0.5 M (1.6 FT). **ON A/C 301-399,
 Subtask 23-73-47-410-052-B
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the forward utility area - ceiling panel:

 -FOR 300RH1
 install 221BC (Ref. TASK 25-23-42-400-001).

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 (3) Install the ceiling panel : - FOR 300RH4 install 231JC (Ref. TASK 25-23-41-400-001). - FOR 300RH6 install 251KC (Ref. TASK 25-23-41-400-001).
 (4) Install the aft utility area - ceiling panel. - FOR 300RH7, 300RH8 install 261DF (Ref. TASK 25-23-42-400-002).
 (5) Remove the STEPLADDER 0.5 M (1.6 FT). 
R  **ON A/C 401-499, 
R  Subtask 23-73-47-410-052-D 
R  A. Close Access 
　
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