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QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
MALFUNCTIONS
N2 Core Vibration
CAUTION
It is not recommended that an engine
be shut down unless there is another
indication of a severe engine
abnormality, i.e., high oil temperature,
high oil pressure, high ITT, or abnormal
engine vibration is felt through the
airframe.
Affected engine:
(1) Thrust lever ....................................................................ADJUST
to setting that maintains vibration level within normal
range.
NOTE
If engine was started within 2 hours of shutdown, allow 10
minutes for vibration levels to return to normal.
(2) Engine indications .......................................................MONITOR
Vibration can be controlled or reduced:
Yes
(3) No further action required.
− END −
No
(3) In−Flight Engine
Failure/Shutdown .................................................ACCOMPLISH
(See Page ABNORM 1–2)
END
ABNORM 1-13
REV 75, Feb 17/09
QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
MALFUNCTIONS
L (R) ENG MISCOMP
L ENG MISCOMP or R ENG MISCOMP
........DCU parameters disagree (N1 and N2 by 5%, and ITT by 40°C).
(1) EICAS secondary display............................................PRI PAGE
(2) Affected engine’s parameters
(either left or right) ............................................. CROSS CHECK
to find disagreement.
(3) Affected engine .......................................................... MAINTAIN
within limits, using reliable PRI page.
END
High Oil Temperature
(1) Affected engine ..............................................ADJUST THRUST
to maintain oil temperature within normal range.
Oil temperature remains high:
Yes
(2) In-Flight Engine
Failure/Shutdown..........................................ACCOMPLISH
(See Page ABNORM 1–2)
− END −
No
(2) Engine indications .......................................................MONITOR
END
ABNORM 1-14
REV 75, Feb 17/09
QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
MALFUNCTIONS
Fluctuating Oil Pressure
........ Oil pressure fluctuates in excess of ±5 psi and gradually decreases, possibly with
increasing oil temperature.
Oil pressure is below 25 psi:
Yes
(1) Engine Oil Pressure Low
Procedure .....................................................ACCOMPLISH
(See Page EMER 1–14)
− END −
No
(1) Affected thrust lever ....................................CONFIRM and IDLE
(2) Descent (if required) ......................................................INITIATE
to 29,000 feet or below, or until oil pressure stabilizes.
When affected engine oil pressure stabilizes:
(3) Affected thrust lever .......................................................ADJUST
as required.
NOTE
1. If necessary, keep descending to a lower altitude
to maintain a stable oil pressure, as cruise power
setting is resumed.
2. If oil pressure fluctuations in excess of ±5 psi
resume, select affected thrust lever to IDLE, and
descend to a lower altitude.
END
ABNORM 1-15
REV 76, Jul 17/09
QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
MALFUNCTIONS
Hot Start
HOT Icon at either left or right
ITT gauge, and/or readout
indicates 900°C or greater.
Affected engine:
(1) Thrust lever ................................................................SHUT OFF
(2) IGNITION ............................................................................. OFF
(3) Dry Motor..............................................................ACCOMPLISH
until ITT is reduced below 120°C, or starter limit.
END
Interrupted Start
If a start is interrupted:
(1) Thrust lever ................................................................SHUT OFF
(2) IGNITION ............................................................................. OFF
(3) Dry Motor.......................................... WITHIN STARTER LIMITS
END
No Lightoff
If an engine fails to light off:
(1) Thrust lever ................................................................SHUT OFF
(2) IGNITION ............................................................................. OFF
(3) Dry Motor.......................................... WITHIN STARTER LIMITS
DRY MOTORING CYCLE
START MAXIMUM TIME ON FOLLOWED BY
1 90 - seconds 5 minutes off
2 and subsequent 30 - seconds 5 minutes off
END
Low Idling
　
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