Service difficulty report · Housing

Difficulty date
June 19, 2014
Submitted
March 12, 2015
Operation
General aviation
Engine
Pwa PT6A34
Part
Housing
Condition
Worn
Location
Turbine Shaft
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

(CAN) OVERHAUL SHOP WAS ABLE TO CONFIRM THAT THE ENGINES POWER SECTION WAS SEIZED. IT WAS OBVIOUS FROM THE EXHAUST DUCT EXIT PORTS THAT THE POWER TURBINE WAS HEAVILY DAMAGED. MOST OF THE PT BLADE AIRFOIL TIPS WERE MISSING. THE POWER TURBINE SHAFT HOUSING NR 3 BEARING AREA WAS BROKEN AND THE HOUSING NR 3 BEARING AIR SEAL AREA WAS MISSING. THE POWER SECTION RGB REAR HOUSING WAS FOUND BROKEN. THE PT VANE AND THE EXHAUST DUCT WERE ALSO FOUND WITH HEAVY IMPACT DAMAGE.