T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
(3)
Engine damage possible
4.
Engine overtemp 1.8.1.1.4.1
Sg 3, fr 17
Engine Overtemp
a.
Indications
(1)
EGT reads above normal
(over 610 degrees C)
NOTE: The maximum transient temp is 645
degrees C for less than 20 seconds. (The
CWS will activate when the temperature is
650 +/- 8 degrees C.)
(2)
MASTER ALERT flashes
(3)
Warning tone sounds
(4)
Warning panel: EGT/RPM light
illuminates
NOTE: The probable cause of this
malfunction is an uncontrolled fuel flow due
to a malfunctioning ECA. If this is the case,
the ECA caution light will illuminate prior to
the above-mentioned indications.
b.
Verifications same as indications
c.
Effects on flight safety
(1)
Possible engine/aircraft damage
(2)
Possible loss of thrust
(3)
Possible fire
5.
Engine overspeed 1.8.1.1.7.1
Sg 3, fr 24
Engine Overspeed
NOTE: The max allowable N2 rpm is 104% on rpm
gauge. EGT/RPM warning light indicates N1 rpm is
above 112.4 +/- 1%.
(9-98) Change 5
Page 27-34
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