Service difficulty report · Inverter · Dhav DHC8311

Difficulty date
July 28, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Aircraft time
54,579 hours
Engine
Pwa PW123
System (JASC)
2422 · AC Inverter
Part
Inverter
Part number
DH103024CS
Condition
Malfunctioned
Location
Electrical Sys
Part time
18,378 hours
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

(CAN) INVERTER FAILED IN CRUISE, SLIGHT SMELL OF BURNING ODOUR, FLIGHT CONTINUED ON USING THE ALTERNATE INVERTER. SECONDARY INVERTER REPLACED BUT FOUND PARALLELING CONTROL BOX ALSO BURNT. PARALLELING CONTROL BOX REPLACED AND GROUND TESTED SERVICEABLE.