737 Operations Manual
Non-Normal Checklists -
Engines, APU
Copyright © The Boeing Company. See title page for details.
NNC.7.12 D6-27370-400E-TBCE
ENGINE OIL FILTER BYPASS
Condition: The engine OIL FILTER BYPASS light illuminated
indicates an impending bypass of the scavenge oil
filter.
AUTOTHROTTLE (if engaged) . . . . . . . . . . . . . . .DISENGAGE
[Allows thrust lever to remain where manually positioned.]
THRUST LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RETARD
Retard until the OIL FILTER BYPASS light extinguishes or
thrust lever is closed.
If the OIL FILTER BYPASS light extinguishes:
Operate the engine at reduced thrust to keep the light
extinguished.
If the OIL FILTER BYPASS light remains illuminated:
Accomplish the ENGINE FAILURE/SHUTDOWN checklist.
ENGINE OVERHEAT
Condition: The ENG OVERHEAT light illuminated indicates an
overheat is detected on the related engine.
AUTOTHROTTLE (if engaged) . . . . . . . . . . . . . . .DISENGAGE
[Allows thrust lever to remain where manually positioned.]
THRUST LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CLOSE
If the ENG OVERHEAT light remains illuminated:
Accomplish the ENGINE FIRE, SEVERE DAMAGE OR
SEPARATION checklist.
If the ENG OVERHEAT light extinguishes:
Operate the engine at reduced thrust to keep the light
extinguished.
June 07, 2002