Service difficulty report · Blade · Dhav DHC3

Difficulty date
December 29, 2011
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
24,478 hours
Engine
Pwa PT6A34
Propeller
Hartzl HCB3TN3
Part
Blade
Condition
Failed
Location
Compressor
Part time
1,450 hours
Stage of operation
CR
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

(CAN) ENROUTE AT 2500` THERE WAS A LARGE BANG FOLLOWED BY AN ENGINE FAILURE AND PROP FEATHERING. ENGINE HAD A TSN OF 4318.8 AND A CSN OF 9768 CYCLES AT THE TIME OF FAILURE. A TEARDOWN INSPECTION IS CURRENTLY ON-GOING TO DETERMINE THE CAUSE OF THE FAILURE.