Circuit: C/B No.
FSEU3 SENSOR G23
RADIO ALT, LEFT F5
RADIO ALT, RIGHT F26
RADIO ALT, CENTER F20
AUTO SPEEDBRAKE G11
L FMCS CMPTR E9
R FMCS CMPTR E30
L FMCS CDU E8
R FMCS CDU E29
L ADC COMP A10
L AIR DATA SENSOR A11
L AIR DATA BARO CORRECT A12
R ADC COMP F30
R AIR DATA SENSOR F31
R AIR DATA BARO CORRECT F32
Aviation Partners Boeing 757-200 MAINTENANCE MANUAL SUPPLEMENT Part II
3) Verify the SPEEDBRAKE handle is in the down and locked position
4) OPEN the following circuit breakers:
Circuit breaker panel Circuit Name C/B No.
P6 SPDBRK AUTOSTOW K22
P11 AUTO SPEEDBRAKE SYSTEM G11
5) Verify the following occurs:
. amber AUTO SPEEDBRAKE EICAS message is illuminated
. amber AUTO SPDBRK message on overhead panel is illuminated 6) Locate the SAC module on the E2 rack in the electronic bay. 7) Disconnect the harness connector from SAC module and connect it to the TEST connector
located on structure adjacent to the module. 8) CLOSE the following circuit breakers:
Circuit breaker panel Circuit Name C/B No.
P11 AUTO SPEEDBRAKE SYSTEM G11
9) Verify the following occurs:
.
amber AUTO SPEED BRAKE EICAS message is extinguished
.
amber AUTO SPDBRK message on overhead panel is extinguished
10) OPEN the following circuit breakers:
Circuit breaker panel Circuit Name C/B No.
P11 AUTO SPEEDBRAKE SYSTEM G11
11) Locate the SAC module on the E2 rack in the electronic bay.
12) Disconnect the harness from the TEST connector and connect it to the SAC module.
13) CLOSE the following circuit breakers:
Circuit breaker panel Circuit Name C/B No.
P11 AUTO SPEEDBRAKE SYSTEM G11
Aviation Partners Boeing
757-200 MAINTENANCE MANUAL SUPPLEMENT Part II
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