What was found
DEPARTED HOSPITAL, ON CLIMB, NOTICED THE SMELL OF BURNING RUBBER, SCANNED INSTRUMENTS NO ANOMALIES, TURNED OFF AIR CONDITIONER, DECIDED TO RETURN TO DEPARTURE, WAS APROX 4 MILES OUT, LANDED WITH NO INCIDENT, CALLED MECHANIC, FOUND AIR CONDITIONER HAD BEEN BURNING , STILL FULLY INTACT , MECHANIC REMOVED BELT, MEL `D THE A/C, RETURNED TO BASE,