Service difficulty report · Engine · Dhav DHC7*

Difficulty date
February 3, 2005
Submitted
March 3, 2005
Operation
General aviation
Make and model
Dhav DHC7*
Engine
Pwa PT6A50
Part
Engine
Condition
Power Loss
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

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

What was found

(CAN) DURING CRUISE, THE ENGINE LOW OIL PRESSURE INDICATOR ANNUNCIATED ACCOMPANIED BY AN UNCOMMANDED POWER REDUCTION. THE ENGINE WAS SHUT DOWN IN FLIGHT AND THE AIRCRAFT DIVERTED. SUBSEQUENT INSPECTION REVEALED DAMAGED POWER TURBINE VANES AND BLADES AND A PUNCTURED EXHAUST EJECTOR AND NACELLE. MFG WILL MONITOR INVESTIGATION OF THE EVENT AND WILL SUPPLEMENT THIS REPORT TO REFLECT ROOT CAUSE ONCE DETERMINED.