A6. Engine fails or is slow to accelerate to idle N1 speed.
Improper engine starting technique or premature removal of
starter from line.
Leaks or restrictions on fuel control unit pneumatic system.
Leaks in pneumatic line of propeller governor.
Fuel control unit contaminated with water or ice or corroded.
A7. Hot start or delayed light up.
Improper starting procedure.
Insufficient power from battery or ground power unit.
Poor connections on power input lines or starter- generator.
Low power to ignition exciter.
Defective ignition cable.
Defective ignition exciter.
Engine control linkage improperly rigged.
Fuel nozzle restrictions.
A8. Engine fails to or is slow to accelerate propeller to idle
Propeller oil transfer sleeve binding.