Service difficulty report · Ignition Lead

Difficulty date
July 12, 2018
Submitted
July 20, 2018
Operation
General aviation
Engine
Engall GP7200*
Part
Ignition Lead
Part number
5025754
Part serial
KBH182
Condition
Defective
Location
Engine
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING TEST, ENGINE WOULD NOT LIGHT ON CHANNEL A, IGNITOR 2. THE IGNITION LEADS WERE SWAPPED, THEN CHANNEL A, IGNITOR 1 WOULD NOT WORK. THE LEADS WERE SWAPPED BACK TO ORIGINAL POSITION AND THE DEFECT MOVED WITH THE LEAD. ELECTRICIANS WERE CALLED TO PERFORM RESISTANCE & CONTINUITY CHECKS ON THE LEADS WITH NO DEFECTS FOUND. WHEN THE SUSPECT IGNITOR LEAD WAS REMOVE FROM THE IGNITOR, THE END FITTING OF THE LEAD REMAINED IN THE IGNITOR HOUSING, REVEALING THE CONDITIONS ON THE LEAD ITSELF. THIS IS A NEW CONDITION THAT I HAVE NOT SEEN BEFORE. THE LEAD WAS INSTALLED NEW THIS VISIT. I HAVE SENT ALL INFORMATION ONTO THE HARDWARE OWNER AND THE PART IS BEING RETURNED FOR INVESTIGATION TO THE OEM.