737 Flight Crew Operations Manual
8.18
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
8.18
DETECTOR FAULT
PM398, PP518, PP519, PQ976
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FAULT - Engine Fire/Overheat Detector
1 The fire detection system in one or both engines is
inoperative.
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DETECTOR
FAULT
CARGO FIRE DETECTOR FAULT
Condition:
Fire detection is inoperative in one or both
cargo compartments.
FAULT
ENGINE FIRE/OVERHEAT
DETECTOR FAULT
Condition:
Engine fire and overheat detection is
inoperative in one or both engines.
June 15, 2020