0.16
0.16
Condition: Engine start is needed after a shutdown with no fire or
apparent damage.
Complete the ENGINE FAILURE AND SHUTDOWN checklist
before attempting an inflight engine start.
IN-FLIGHT 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 needed:
PACK SWITCH (affected side) . . . . . . . . . . . . . . . . . . . .OFF
DUCT PRESSURE . . . . . . . . . . . . . . . . . . . MINIMUM 30 PSI
If needed, advance the thrust lever to increase duct
pressure.
IGNITION SELECT SWITCH . . . . . . . . . . . . . . . . . . . . BOTH
ENGINE START SWITCH . . . . . . . . . . . . . . . . . . . . . . .GRD/FLT
ENGINE START LEVER . . . . . . . . . . . . . . . . . . . .IDLE DETENT
Move engine start lever to IDLE detent at a minimum of
15% N2.
If EGT does not increase in 30 seconds or another abort
start condition as listed in normal procedures occurs:
ENGINE START LEVER . . . . . . . . . . . . . . . . . . . . . . CUTOFF
ENGINE START SWITCH. . . . . . . . . . . . . . . . . . . . . . . . .OFF
Engines may accelerate to idle very slowly, especially at
high altitudes. Slow acceleration may be incorrectly
interpreted as a hung start or an engine malfunction. If N2 is
steadily increasing, and EGT remains within limits, the start
is progressing normally.
Continued on next page
ENGINE IN-FLIGHT START
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
0.17
0.17
Continued from previous page
After engine start:
ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . .GENERATOR ON
PACK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTO
ENGINE START SWITCH. . . . . . . . . . . . . . . . . . AS NEEDED
APU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AS NEEDED
TRANSPONDER MODE SELECTOR
(TCAS equipped airplanes) . . . . . . . . . . . . . . . . . . . . TA/RA
IN-FLIGHT START ENVELOPE
(FLT)
WINDMILL
(GRD)
ASSIST
260
20
15
150 240
STARTER
PRESSURE ALTITUDE - 1000 FT
0
24
340
INDICATED AIRSPEED - KNOTS
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
0.18
0.18
Condition: Movement of the elevator, aileron/spoiler or rudder is
restricted.
AUTOPILOT (if engaged) . . . . . . . . . . . . . . . . . . . .DISENGAGE
AUTOTHROTTLE (if engaged) . . . . . . . . . . . . . . .DISENGAGE
Verify thrust is symmetrical.
If rudder is jammed or restricted and STBY RUD ON light is
not installed on the overhead Flight Control panel or is
placarded INOP:
Accomplish the UNCOMMANDED RUDDER/YAW OR
ROLL Non-Normal checklist.
JAMMED OR RESTRICTED system . . . . . . . . . . . . Overpower
Use maximum force, including a combined effort of both
pilots, if required. A maximum two-pilot effort on the
controls will not cause a cable or system failure.
Do not turn off any flight control switches.
If controls are normal:
Accomplish the normal DESCENT, APPROACH and
LANDING checklists.
Continued on next page
JAMMED OR RESTRICTED
FLIGHT CONTROLS
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
0.19
0.19
Continued from previous page
If controls are not normal:
Use stabilizer or rudder trim to offload control forces.
If electric stabilizer trim is desired, position the Stabilizer
Trim Override switch to OVERRIDE.
Do not make abrupt thrust changes. Extend or retract
speedbrake slowly and smoothly.
Limit bank angle to 15°.
Plan to land at the nearest suitable airport.
Plan a flaps 15 landing.
Set VREF 15 + 5 knots
------------------------DEFERRED ITEMS ------------------------------
==> DESCENT
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
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