What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Approximately two minutes after departing Huntsville hospital the crew and pilot of privacy data omitted, noticed an electrical smoke smell coming through the aircraft vents. Pilot saw a suitable field to her left to land in and decided to do a precautionary landing. She turned off the air conditioner as she made a left turn for the field. After landing and shutting down, she did a post flight walk around. On the left side of the helicopter, she could smell the same electrical smoke smell.
The mechanic was dispatched to site and performed visual inspection of the air conditioning drive (I.e.: driveshaft pulley, belt condition and air conditioning compressor and pulley) and found no defects or anomalies at that location.
The mechanic noticed that when air conditioner was turned on that the aft blower motor was not turning in either the low or high switch position. At that time, he tie wrapped the circuit breakers and defered the air conditioning system per minimum equipment list (MEL) process.
When the troubleshooting was completed the next day, the mechanic noted that when she dropped the baggage compartment overhead panel to access the aft blower motor area, it was black and smelled of a smoky odor. The mechanic asked the pilot to smell in the area to see if that was the same odor that her and the crew had experienced the day before. The pilot was 100% confident that it was the same smell / odor. It was at this time the air conditioning system aft blower motor was determined to have failed, producing a electrical smoke smell.
As the FAA filed it
APPROXIMATELY TWO MINUTES AFTER DEPARTING HUNTSVILLE HOSPITAL THE CREW AND PILOT OF ^PRIVACY DATA OMITTED^, NOTICED AN ELECTRICAL SMOKE SMELL COMING THROUGH THE AIRCRAFT VENTS. PILOT SAW A SUITABLE FIELD TO HER LEFT TO LAND IN AND DECIDED TO DO A PRECAUTIONARY LANDING. SHE TURNED OFF THE AIR CONDITIONER AS SHE MADE A LEFT TURN FOR THE FIELD. AFTER LANDING AND SHUTTING DOWN, SHE DID A POST FLIGHT WALK AROUND. ON THE LEFT SIDE OF THE HELICOPTER, SHE COULD SMELL THE SAME ELECTRICAL SMOKE SMELL.
THE MECHANIC WAS DISPATCHED TO SITE AND PERFORMED VISUAL INSPECTION OF THE AIR CONDITIONING DRIVE (I.E.: DRIVESHAFT PULLEY, BELT CONDITION AND AIR CONDITIONING COMPRESSOR AND PULLEY) AND FOUND NO DEFECTS OR ANOMALIES AT THAT LOCATION.
THE MECHANIC NOTICED THAT WHEN AIR CONDITIONER WAS TURNED ON THAT THE AFT BLOWER MOTOR WAS NOT TURNING IN EITHER THE LOW OR HIGH SWITCH POSITION. AT THAT TIME, HE TIE WRAPPED THE CIRCUIT BREAKERS AND DEFERED THE AIR CONDITIONING SYSTEM PER MINIMUM EQUIPMENT LIST (MEL) PROCESS.
WHEN THE TROUBLESHOOTING WAS COMPLETED THE NEXT DAY, THE MECHANIC NOTED THAT WHEN SHE DROPPED THE BAGGAGE COMPARTMENT OVERHEAD PANEL TO ACCESS THE AFT BLOWER MOTOR AREA, IT WAS BLACK AND SMELLED OF A SMOKY ODOR. THE MECHANIC ASKED THE PILOT TO SMELL IN THE AREA TO SEE IF THAT WAS THE SAME ODOR THAT HER AND THE CREW HAD EXPERIENCED THE DAY BEFORE. THE PILOT WAS 100% CONFIDENT THAT IT WAS THE SAME SMELL / ODOR. IT WAS AT THIS TIME THE AIR CONDITIONING SYSTEM AFT BLOWER MOTOR WAS DETERMINED TO HAVE FAILED, PRODUCING A ELECTRICAL SMOKE SMELL.