(b)  
11B21, FIRE DETECTION L ENGINE 2

 (c)  
11B22, FIRE DETECTION R ENGINE 1

 (d)  
11B23, FIRE DETECTION R ENGINE 2

 (e)  
11B24, FIRE DETECTION APU 1

 (f)  
11B25, FIRE DETECTION APU 2

 (g)  
11B26, FIRE DETECTION CARGO 1

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MAINTENANCE MANUAL

 (h)  
11B27, FIRE DETECTION CARGO 2

 (i)  
11J24, FIRE DET ALTN PWR CARGO

 (j)  
11J25, FIRE DET ALTN PWR APU

 (k)  
11J26, FIRE DET ALTN PWR ENGINE LEFT

 (l)  
11J27, FIRE DET ALTN PWR RIGHT ENGINE

 S 864-009
 (4)  Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:
 (a)  
6C1, FUEL COND CONT L

 (b)  
6C2, FUEL COND CONT R

 S 864-010
 (5)  
Push the ECS MSG switch on the EICAS maintenance panel on the right side panel, P61.

 S 864-011

 (6)  
Push and hold the ENG/APU/CARGO switch on the FIRE/OVHT TEST panel (on P8).

 S 754-012

 (7)  
After 2-4 seconds, make sure these indications occur:

 (a)  
The red LEFT and RIGHT engine fire handle lights, on P8, come on.

 (b)  
The red L and R FUEL CONTROL switch lights, on the quadrant control stand, P10, come on.

 (c)  
The red FIRE light, on the captains instrument panel, P1-3, comes on.

 (d)  
The yellow L and R ENG OVHT lights, on P8, come on.

 (e)  
The EICAS messages L and R ENGINE FIRE show on the top display.

 (f)  
The EICAS messages L and R ENG OVHT shown on the top display.

 (g)  
The red master WARNING lights, on P7, come on.

 (h)  
The yellow master CAUTION lights, on the glareshield panel, P7, come on.

 (i)  
The fire bell is heard.

 (j)  
The caution annunciation is heard.

 (k)  
The red FWD and AFT CARGO FIRE switch-lights, on the APU/CARGO fire control panel (on P8), come on.

 (l)  
The EICAS messages FWD and AFT CARGO FIRE show on the top display.

 (m)  
The EICAS message APU FIRE shows on the top display.

 (n)  
The red APU fire switch handle light, on P8, comes on.

 S 754-013
 (8)  Push the ECS MSG switch as necessary to see subsequent EICAS pages and make sure these EICAS messages show on the bottom display:
 (a)  
L ENG OH LP 1 and 2

 (b)  
R ENG OH LP 1 and 2

 (c)  
L ENG FIRE LP 1 and 2

 (d)  
R ENG FIRE LP 1 and 2

 (e)  
FWD CARGO DET 1 and 2

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MAINTENANCE MANUAL

 (f)  
AFT CARGO DET 1 and 2

 (g)  
APU FIRE LP 1 and 2

 S 864-014
 (9)  
Release the ENG/APU/CARGO switch.

 S 754-015

 (10)
 Make sure all of the indications go off.

 S 864-016

 (11)
 Push the ECS MSG switch on the EICAS maintenance panel (on P61).

 S 864-017

 (12)
 Push and hold the ENG switch, on the FIRE/OVHT TEST panel (on P8).

 S 754-018

 (13)
 Make sure these occur:

 (a)  
The red LEFT and RIGHT engine fire handle lights, on P8, come on.

 (b)  
The red L and R FUEL CONTROL switch lights, on the quadrant control stand, P10, come on.

 (c)  
The red FIRE light, on P1-3, comes on.
　
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