TM 55-2840-251-23
Section VII TROUBLESHOOTING (.Continued)
1-36 SYMPTOM INDEX
The following is a list of symptoms that may arise. Task and page numbers where corrective procedures can be found
are included.
SYMPTOM
TASK
PAGE
A. STARTING
No RPM during attempted start
1-38
1-42
Insufficient RPM at start
1-39
1-43
Excessive RPM at start
1-40
1-43
Delayed Start
1-41
1-44
Engine fails to light up
1-42
1-45
Engine fails to idle or is slow accelerating
to idle Ng
1-43
1-47
Engine fails to idle or is slow accelerating
to idle Nf
1-44
1-49
Hot start (Ref. Chapter 1, Section VI, 1-25)
1-45
1-49
B. OPERATING
Overspeed (Nf)
1-46
1-51
Overspeed (Ng)
1-47
1-52
Propeller slow to feather/unfeather
1-48
1-52
High fuel flow at altitude
1-49
1-53
Fuel leakage from FCU vent
1-50
1-54
Vibration
1-51
1-55
Uncontrolled acceleration
1-52
1-56
Surge during acceleration
1-53
1-57
Failure to accelerate properly
1-54
1-58
Failure to decelerate properly
1-55
1-59
Flame out
1-56
1-60
Idle speeds incorrect
1-57
1-62
Low power (All parameters are low)
1-58
1-63
Over temperature (Ref. Chapter 1, Section VI, 1-25)
1-59
1-66
Temperature limited (ITT at maximum reached
before target torque is reached)
1-60
1-67
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1-40
