(24)
 AMM 34-61-00/501, Flight Management Computer System

 (25)
 AMM 71-00-00/201, Power Plant

 (26)
 AMM 78-31-00/051, Fan Thrust Reverser System

 D. Access
 (1)  Location Zone
 212 Control Cabin - Sect 41 (Right)

 E. Prepare for test
 S 865-906-001
 (1)  Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
 (a)  
11J7, FLIGHT RECORDER AC

 (b)  
11J8, FLIGHT RECORDER DC

 S 025-939-001
 (2)  
If you use test equipment other than the hand-held download unit (HHDLU), install the tester to the test connector at the right side panel, P61.

 S 425-941-001

 (3)  
If you use the hand-held download unit (HHDLU), attach the HHDLU to the test connector at the front side of the flight data recorder.

 NOTE: To get access to the FDR, open the lower ceiling panel No. 1
____ above the aft galley (AMM 25-22-02/401). The HHDLU can only be connected to the AlliedSignal flight data recorder (FDR).
 S 865-867-001
 (4)  
Remove the DO-NOT-CLOSE tags and close the P11 panel circuit breakers:

 (a)  
11J7, FLIGHT RECORDER AC

 (b)  
11J8, FLIGHT RECORDER DC

 (5)  
Supply electrical power (Ref 24-22-00).

 S 865-942-001

 (6)  
With the Data Signal Display Unit (DSDU), set the control switches on the tester as follows:

 (a)  
Set the power switch to the ON position.

 (b)  
Set the INPUT switch to the ARINC INPUT DATA position.

 (c)  
Set the SYNC switch to the SYNC B position.

 (d)  
Set the DATA PARAMETER/DOCUMENTARY switch to the DATA PARAMETER position.

 (e)  
Set the OCTAL DISPLAY switch to the 12 BIT position.

 (f)  
Set the SUBFRAME and WORD as specified.

 S 865-868-001
 
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 GUN 009  ú CONFIG 1 ú 05 Page 508 ú Sep 28/01

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MAINTENANCE MANUAL

 S 865-943-001

 (7)  With the Teledyne tester (P/N 2222786), set the switches on the tester as follows:
 (a)  
Set the POWER switch to the ON position.

 (b)  
Set the READOUT switch to the ACTF DATA position.

 (c)  
Set the UPDATE switch to the AUTO position.

 (d)  
Set the DFDAU/DFDR DATA SELECTOR switch to the DFDAU position.

 (e)  
Set the DATA switch to the 12 BIT position.

 (f)  
Set the SUBFRAME and WORD as specified.
　
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