(f)  
Push the ERASE switch on the EICAS MAINT panel for one second.

 (g)  
Set the L and R FUEL CONT switches on the P10 panel to the RUN position and wait a minimum of four minutes.

 (h)  
Set the COMPUTER switch on the EICAS DISPLAY select panel to the L position.

 (i)  
Make sure these EICAS messages, FLT DATA REC and FLT DATA ACQ, are not shown on the bottom display.

 (j)  
Set the COMPUTER switch on the EICAS DISPLAY select panel to the R position.

 (k)  
Make sure these EICAS message, FLT DATA REC and FLT DATA ACQ, are not shown on the bottom display.

 (l)  
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags: 1) 11J7, FLIGHT RECORDER AC 2) 11J8, FLIGHT RECORDER DC

 (m)  
Remove the DFDR from its mounting tray (AMM 31-31-01/401).

 NOTE: Wait a minimum of 60 seconds before you do the next
____
 step.

 S 865-834-002
 (2)  Remove the DO-NOT-CLOSE tags and close the P11 panel circuit breakers:
 (a)  
11J7, FLIGHT RECORDER AC

 (b)  
11J8, FLIGHT RECORDER DC

 
 GUN 001-008, 010, 101 POST-EO B531006;  ú 31-31-00
 GUN 051, 102-999  ú CONFIG 2 ú 07 Page 506 ú Sep 28/01

A
757
MAINTENANCE MANUAL

 (c)  
Set the COMPUTER switch on the EICAS DISPLAY select panel to the L position.

 (d)  
Make sure the EICAS message, FLT DATA REC, is shown on the bottom display.

 (e)  
Make sure the EICAS message, FLT DATA AQC, does not show on the bottom display.

 (f)  
Set the COMPUTER switch on the EICAS DISPLAY select panel to the R position.

 (g)  
Make sure the EICAS message, FLT DATA REC is shown on the bottom display.

 (h)  
Make sure the EICAS message, FLT DATA AQC, does not show on the bottom display.

 (i)  
Open the circuit breaker on the overhead panel, P11, and attach DO-NOT-CLOSE tag: 1) 11J7, FLIGHT RECORDER AC

 (j)  
Remove the DFDAU from its mounting tray (AMM 31-31-03/401).

 S 865-835-002
 (3)  Remove the DO-NOT-CLOSE tag and close the P11 panel circuit breaker:
 (a)  
11J7, FLIGHT RECORDER AC

 (b)  
Make sure the EICAS message, FLT DATA AQC, is shown on the bottom display.

 (c)  
Make sure the EICAS message, FLT DATA REC, does not show on the bottom display.

 (d)  
Set the COMPUTER switch on the EICAS DISPLAY select panel to the L position.