Service difficulty report · Ignition Lead · Dhav DHC3

Difficulty date
August 26, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
24,029 hours
Engine
Pwa PT6A34
Part
Ignition Lead
Part number
CH5339904
Condition
Broken
Location
Engine
Part time
834 hours
Stage of operation
IN
How discovered
V
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

(CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE RIGHT HAND IGNITION LEAD WAS FOUND TO BE BROKEN AT THE IGNITER ATTACHMENT END. THE LEAD HAD A TSN OF 833.9 HOURS. THIS OPERATOR HAS HAD NUMEROUS PROBLEMS WITH IGNITION LEADS FAILING. IT SEEMS TO BE MOSTLY THE IGNITER END WEARING OUT EXTREMELY QUICKLY, EITHER BURNING THE PIN IN THE IGNITER OR ARCHING THROUGH THE WHITE INSULATOR TIP OF THE LEAD.