NOTE: If the replacement flight recorder does not have an
____ underwater locator beacon (ULB) installed, do this task: Underwater Locator Beacon Removal (AMM 31-31-02/201).
 TASK 31-31-01-404-010
 3. Flight Data Recorder (FDR) Installation (Fig. 401)
_______________________________________
 A. References
 (1)  AMM 20-10-01/401, E/E Rack-Mounted Components
  ú

 31-31-01
 ALL  ú ú 01 Page 401 ú Jan 28/02

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757
MAINTENANCE MANUAL

AIRPLANE CENTERLINE
VOICE AND FLIGHT FLIGHT DATA RECORDER RACK RECORDER ASSEMBLY
SEE B SEE A
AFT PASSENGER CEILING
FWD
VOICE AND FLIGHT RECORDER RACK ASSEMBLY
A
FLIGHT DATA RECORDER B1 FLIGHT DATA RECORDER 1
GUN 001-205 B2
2 GUN 206-999
Flight Data Recorder LocationFigure 401
F49452
  ú

 31-31-01
 ALL  ú ú 20 Page 402 ú Dec 20/95

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757
MAINTENANCE MANUAL

 (2)  
AMM 20-41-01/201, Electrostatic Sensitive Devices

 (3)  
AMM 24-22-00/201, Electrical Power Control

 (4)  
AMM 25-22-02/401, Lower Ceiling Panel

 B. Access
 (1)  Location Zone
 253 Area above passenger cabin ceiling (left)

 C. Procedure
 S 864-012
 (1)  Make sure these circuit breakers are open:
 (a)  On the overhead equipment panel P11:
 1) 11J7, FLIGHT RECORDER AC
 2) 11J8, FLIGHT RECORDER DC

 S 414-062
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE FDR.
_______ IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE FDR.
 (2)  To install the FDR, do this task: E/E Box Installation
 (AMM 20-10-01/401).

 NOTE: If the flight recorder does not have an
____ underwater locator beacon (ULB) installed, do this task: "Underwater Locator Beacon Removal" (AMM 31-31-02/201).
 S 414-015
 (3)  
Close the lower ceiling panel No. 1 (AMM 25-22-02/401).

 S 864-019

 (4)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  On the P11 panel:
 1) 11J7, FLIGHT RECORDER AC
 2) 11J8, FLIGHT RECORDER DC

 D. FDR Test
 S 864-020
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 864-048

 (2)  
AIRPLANES WITH A FLIGHT RECORDER CONTROL PANEL (FRCP) INSTALLED; Do the steps that follows:

 (a)  
Set the ON-NORM-TEST switch on the FRCP to the ON position. 1) Make sure the OFF light on the FRCP goes off.
　
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