Boeing 737 - INFLIGHT ENGINE START

737 Operations Manual
Non-Normal Checklists -
Unannunciated
Copyright © The Boeing Company. See title page for details.
NNC.0.12 D6-27370-400E-TBCE
INFLIGHT ENGINE START
Condition: Engine start is desired after a shutdown with no fire or
apparent damage.
Complete the ENGINE FAILURE AND SHUTDOWN checklist
before attempting an inflight engine start.
INFLIGHT START ENVELOPE . . . . . . . . . . . . . . . . . . . . CHECK
CAUTION: Starter assist should be used if N2 is below 15%.
THRUST LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CLOSE
ENGINE START LEVER . . . . . . . . . . . . . . . . . . . . . . . . CUTOFF
If starter assist is required:
PACK SWITCH (affected side) . . . . . . . . . . . . . . . . . . . .OFF
DUCT PRESSURE . . . . . . . . . . . . . . . . . . . MINIMUM 30 PSI
If required, advance the thrust lever to increase duct
pressure.
IGNITION SELECT SWITCH . . . . . . . . . . . . . . . . . . . . BOTH
ENGINE START SWITCH . . . . . . . . . . . . . . . . . . . . . . .GRD/FLT
ENGINE START LEVER . . . . . . . . . . . . . . . . . . . .IDLE DETENT
Position engine start lever to IDLE detent at a minimum of
15% N2.
If no increase in EGT is observed within 30 seconds:
ENGINE START LEVER. . . . . . . . . . . . . . . . . . . . . . CUTOFF
ENGINE START SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . OFF
After engine start:
ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . GENERATOR ON
PACK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTO
ENGINE START SWITCH. . . . . . . . . . . . . . . . AS REQUIRED
APU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AS REQUIRED
Continued on next page
June 07, 2002