(b)
The red RIGHT engine fire switch handle light, on P8, comes on.
(c)
The red R FUEL CONTROL switch light, on the quadrant stand, P10, comes on.
(d)
The red FIRE light, on the captains instrument panel, P1-3, comes on.
(e)
The yellow R ENG OVHT light, on the P8 panel, comes on.
(f)
The EICAS message R ENGINE FIRE shows on the top display.
(g)
The EICAS message R ENG OVHT shows on the top display.
(h)
The red master WARNING lights, on the glareshield panel, P7, comes on.
(i)
The yellow CAUTION lights, on the glareshield panel, P7, comes on.
(6)
Push the ECS MSG switch as necessary to see subsequent EICAS pages.
S 755-224
(7)
Make sure these EICAS messages show on the bottom display:
(a)
R ENG OH LP 1 and 2.
(b)
R ENG FIRE LP 1 and 2.
S 865-223
S 865-225
(8) Pull out the RIGHT engine fire switch handle (on P8). Do not turn the handle.
(a) Make sure the fire bell stops.
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S 865-226
(9)
Push back in the RIGHT engine fire switch handle.
S 865-227
(10)
Open this circuit breaker on the P11 panel and attach DO-NOT-CLOSE tag:
(a) 11B22, FIRE DETECTION R ENGINE 1
S 865-228
(11) Remove the DO-NOT-ClOSE tag and close this circuit breaker on the P11 panel:
(a) 11J27, FIRE DET ALTN PWR ENGINE RIGHT
S 755-229
(12)
Make sure the indications in steps (5) and (7) occur.
S 865-230
(13)
Release the ENG/APU/CARGO switch.
S 755-231
(14)
Make sure all of the indications stop.
S 865-232
(15)
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11J27, FIRE DET ALTN PWR ENGINE RIGHT
(b)
11B23, FIRE DETECTION R ENGINE 2
F. Do a Test of the Fire Detection Fail Light
S 865-070
(1) Open all of circuit breakers on the P11 panel which are in TABLE 1 for the left engine fire detection system. Attach DO-NOT-CLOSE tags.
~.............................................................................. | TABLE 1 | ................................................................................ | SYSTEM | PRINTED CIRCUIT CARD | CIRCUIT BREAKERS | ................................................................................ | L ENGINE FIRE | M681 - L ENG FIRE LOOP 1 | 11B20, FIRE DETECTION L ENGINE 1 | | | M682 - L ENG FIRE LOOP 2 | 11B21, FIRE DETECTION L ENGINE 2 | ................................................................................ | R ENGINE FIRE | M683 - R ENG FIRE LOOP 1 | 11B22, FIRE DETECTION R ENGINE 1 | | | M684 - R ENG FIRE LOOP 2 | 11B23, FIRE DETECTION R ENGINE 2 | 2...............…..........................…...................................1
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(2) S 755-020Make sure these circuit breakers on the P11 panel are open: (a) 11J26, FIRE DET ALTN PWR ENGINE LEFT (b) 11J27, FIRE DET ALTN PWR ENGINE RIGHT
(3) S 755-021Make sure these circuit breakers on the P11 panel are closed: (a) 11A32, INDICATOR LIGHTS 1 (b) 11A33, INDICATOR LIGHTS 2 (c) 11B18, WARN ELEX B (d) 11J33, WARN ELEX A
(4) S 025-083Remove the printed circuit cards, M681 and M682, from the fire detection card file, P54. P54 is in the E/E bay, along the right side of the nose gear wheel well.
(5) S 865-084Remove the DO-NOT-CLOSE tags and close the fire detection left engine circuit breakers which were opened in Table 1.
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