A
757
MAINTENANCE MANUAL
C. Access
(1) Location Zones
211/212 Flight Compartment
D. Procedure
S 862-109
(1)
Supply electrical power (AMM 24-22-00/201).
S 862-110
(2)
Make sure that the EICAS circuit breakers that follow are closed:
(a)
11J2, EICAS CMPTR LEFT
(b)
11J3, EICAS UPPER DSPL
(c)
11J29, EICAS CMPTR RIGHT
(d)
11J30, EICAS LOWER DSPL
(e)
11J31, EICAS DSPL SW
(f)
11J32, EICAS DSPL SELECT
S 862-111
(3) AIRPLANES WITH PREDICTIVE WINDSHEAR; Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11F2, WX RADAR L
(b)
AIRPLANES WITH DUAL WEATHER RADAR R/T'S;
11F23, WX RADAR R
S 752-112
(4) Do the steps that follow to remove EICAS faults:
(a)
Push the TEST switch on the EICAS MAINT panel.
NOTE:____Stop for 1 to 3 minutes. Some faults have time delays.
(b)
Record any faults you find.
(c)
If you have present leg faults, push the ERASE key two times to erase the present leg faults.
(d)
If you have previous leg faults, push the AUTO key two times to show the fault history page. 1) Push the ERASE key two times to erase the previous leg
faults.
(e)
Push the TEST switch on the EICAS MAINT panel to exit the test.
NOTE:____Stop for 1 to 3 minutes. Some faults have time delays.
1) Make sure the faults are removed.
(f) If necessary, repeat the procedure for the right (left) EICAS computer.
ú
31-41-00
ALL ú ú 13 Page 212 ú Sep 28/01
A
757 MAINTENANCE MANUAL
S 862-113
(5) AIRPLANES WITH PREDICTIVE WINDSHEAR; Close these circuit breakers on the overhead circuit breaker panel, P11, and remove the DO-NOT-CLOSE tags:
(a)
11F2, WX RADAR L
(b)
AIRPLANES WITH DUAL WEATHER RADAR R/T'S; 11F23, WX RADAR R
S 862-114
(6) Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 31-41-00-912-035
9. EICAS Message Display Procedure_______________________________
NOTE: This is a scheduled maintenance task.
____
A. References
(1) AMM 24-22-00/201, Electrical Power Control
B. Access
(1) Location Zones
211/212 Flight Compartment
C. Procedure
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