Service difficulty report · Circuit Breaker · Urocop EC130B4

Difficulty date
April 20, 2019
Submitted
April 22, 2019
Operation
Air carrier
Aircraft
N353AM
Make and model
Urocop EC130B4
Aircraft serial
4996
Aircraft time
3,132 hours
Engine
Tmeca ARRIEL2B1
Engine time
3,132 hours
Part
Circuit Breaker
Condition
Faulty
Location
Landing Light
Component
Landing Light
Component part number
099799350
Stage of operation
AA
How discovered
O
Nature of condition
B
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING THE PATIENT LEG OF AN INTER-FACILITY TRANSFER, BEGAN TO NOTICE THE STRONG ODOR OF WHAT WAS SUSPECTED TO BE HOT WIRES. INVESTIGATED THE POSSIBLE CAUSES BY SHUTTING DOWN INDIVIDUAL PIECES OF EQUIPMENT ONE AT A TIME. NONE SEEMED TO MAKE A DIFFERENCE. THEN THE ODOR CHANGED RAPIDLY TO A VERY STRONG BURNING SMELL. BEGAN AN IMMEDIATE DECENT WHILE ANNOUNCING TO THE CREW, GOING TO LAND. DIRECTED THE MEDIC TO ALERT AIRCOM OF THE NEED FOR IMMEDIATE FOLLOW ON TRANSPORTATION FOR THE PATIENT. COMMUNICATED WITH ATC AND FOCUSED ON FINDING A LANDING AREA. HAPPENED TO BE OVER A SMALL TOWN AND I QUICKLY LOCATED A SUITABLE LANDING AREA IN A HIGH SCHOOL FOOTBALL FIELD. EXECUTED A DECENT, NORMAL APPROACH AND LANDING ON THE FIELD FOLLOWED BY A SHUTDOWN WITH THE DOORS OPEN TO VENTILATE THE CABIN. WHILE ON THE APPROACH, FLEW OVER THE LOCAL FIRE DEPT WHILE THEY WERE RESPONDING TO A CALL. THEY IMMEDIATELY DISPATCHED CREWS TO INVESTIGATE. ONCE ON THE LANDING AREA, THEY ASSISTED UNTIL ANOTHER AIRCRAFT ARRIVED TO TRANSPORT THE PATIENT TO THE DESTINATION. CALLED THE MECHANIC AND WAITED WITH THE AIRCRAFT UNTIL ARRIVAL. LATER DISCOVERED THE LANDING LIGHT / SEARCHLIGHT CIRCUIT BREAKERS WERE FAULTY.

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