Service difficulty report · Lead · Dhav DHC8*

Difficulty date
August 30, 2017
Submitted
November 8, 2017
Operation
General aviation
Make and model
Dhav DHC8*
Part
Lead
Condition
Misinstalled
Location
Ac Generator
Component
Ac Generator · Hnywl
Component part number
11522186
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

CUSTOMER REPORTED THE NR 1 GENERATOR AND LEFT AC BUSS CAUTION LIGHT ILLUMINATED AFTER ENGINE START. TEARDOWN REVEALED THE FAILURE TO BE POORLY PENETRATED EPOXY AROUND THE LACING USED TO SECURE THE INNER CROSSOVER. INSUFFICIENT EPOXY IMPREGNATION RESULTED IN THE LACING FAILING TO SECURE THE BRAIDED LEAD, WHICH RESULTED IN INNER CROSSOVER LEAD FAILURE. LAST SERVICE DATE OF GENERATOR WAS 12/2013.