737 Operations Manual
Non-Normal Checklists -
Fire Protection
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE NNC.8.7
Continued from previous page
If high airframe vibration occurs and continues after engine
is shut down:
Without delay, reduce airspeed and descend to a safe
altitude which results in an acceptable vibration level. If
high vibration returns and further airspeed reduction and
descent are not practicable, increasing airspeed may
reduce vibration.
ISOLATION VALVE SWITCH . . . . . . . . . . . . . . . . . . . . . CLOSE
PACK SWITCH (affected side). . . . . . . . . . . . . . . . . . . . . . .OFF
[Causes operating pack to regulate to high flow in flight with flaps up.]
APU BLEED AIR SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
APU (if available) . . . . . . . . . . . . . . . . . . . . . START & ON BUS
FUEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BALANCE
TRANSPONDER MODE SELECTOR
(TCAS equipped airplanes) . . . . . . . . . . . . . . . . . . . . . . . . . . TA
[Prevents climb commands which can exceed single engine performance
capability.]
If wing anti–ice is required:
ISOLATION VALVE SWITCH (after fire has been
extinguished) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTO
Plan to land at the nearest suitable airport.
Accomplish the ONE ENGINE INOPERATIVE LANDING
checklist when appropriate.
June 07, 2002