(2)  
27-61-00/201, Spoiler/Speedbrake Control System

 (3)  
31-41-00/201, Engine Indication and Crew Alerting System (EICAS)

 (4)  
32-09-02/201, Air/Ground Relays

 (5)  
78-31-00/201, Thrust Reverser System

 C.  Access
 (1)  Location Zones
 211/212 Control Cabin - Section 41

 D.  Prepare for the Test
 S 865-002
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 715-003

 (2)  
Make sure the Engine Indication and Crew Alerting System (EICAS) operates (Ref 31-41-00/201).

 S 865-004

 (3)  
Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:

 (a)  GUN 001-005;
 6L13, PITOT HEAT CAPT MAIN
 6L14, PITOT HEAT L AUX

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 30-34-00
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A

757 MAINTENANCE MANUAL
 (b)  
GUN 006-999;
 6L15, PITOT HEAT CAPT MAIN
 6L16, PITOT HEAT L AUX

 (c)  
6L17, L AOA HEAT

 (d)  
6L21, PITOT HEAT F/O AUX

 (e)  
6L22, PITOT HEAT F/O MAIN

 (f)  
6L23, R AOA HEAT

 (g)  
6L24, TAT PROBE HEAT

 S 215-005
 (4)  
Make sure the EICAS circuit breakers (six locations) on panel P11 are closed.

 S 865-006

 (5)  
Erase the status/maintenance messages from the EICAS memory
 (Ref 31-41-00/201).

 S 865-007

 (6)  
Remove the engine shutdown inhibit from the EICAS computers
 (Ref 31-41-00/201).

 S 865-008

 (7)  
Push the STATUS switch on the EICAS display select panel on panel P9.

 S 045-009
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE THRUST REVERSER ISOLATION
_______ VALVE TO PREVENT THE OPERATION OF THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (8)  Do the deactivation procedure for the thrust reverser isolation valve for ground maintenance (Ref 78-31-00/201).
 E. Test - Engine Probe Heat System
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