thank you.answer appreciated. boroscope done. findings are within limitations. and operated for a flight.IDLE to FLIGHT GATE 340-360 NR the horn was inoperative,hover,all parameters normal, initiated takeoff.at 1000 AGl GONG was heard..over limit detected on VEMD.on inspection it was torque over-limited which we are finding hard to understand. operating altitude of aerodrome 3800 feet. Take-off weight of 1615 kgs only.
please share your thoughts on this.!!