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737 MAX Flight Crew Operations Manual
Fire Protection -
System Description
MN-FLT-OH-201
8.20.9
Cargo Fire TEST
The indications for the Cargo Fire test are:
• the fire warning bell sounds
• both master FIRE WARN lights illuminate
• the extinguisher test lights illuminate
• the FWD and AFT cargo fire warning lights illuminate when all
detectors in selected loops (s) respond to the fire test
• the cargo fire bottle DISCH light illuminates
Note:
The fire warning BELL CUTOUT switch on the Overheat/Fire Protection
panel can silence the fire warning bell and extinguish the master FIRE
WARN lights
Note:
During a Cargo Fire Test, the DETECTOR Fault light will illuminate if one
or more detectors in the loop(s) has failed.
Note:
Individual detector faults can only be detected by a manually initiated test.
The MASTER CAUTION light does not illuminate.
Note:
At the end of cargo fire testing, up to a four second delay may occur to
allow all applicable indications to extinguish at the same time.
Cargo Fire Extinguisher Test
When the Cargo Fire TEST button is pushed, the green EXT lights illuminate,
verifying the fire bottle discharge squib circuit continuity is normal.
March 1, 2021
Содержание 737-8
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