Service difficulty report · Stator

Difficulty date
February 6, 2016
Submitted
April 22, 2016
Operation
General aviation
Engine
Pwa PT6A68
Part
Stator
Condition
Damaged
Location
Power Section
Stage of operation
CR
How discovered
O
Nature of condition
E, J
Precautionary procedure
O

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

What was found

(CAN) DURING THE FLIGHT, THE CREW NOTICED RGB CHIP DETECTOR WARNING THEN WAS NOTICED AGB CHIP DETECTOR WARNING WITH STRONG VIBRATION AND LOW OIL PRESSURE 10 PSI. THE PILOT REDUCED THE POWER AND THE OIL PRESSURE INCREASED AROUND 20 PSI, WITH THIS CONDITION THE PILOT MANAGED TO LAND SAFELY. GROUND TROUBLESHOOTING REVEALED METALLIC DEBRIS IN OIL FILTER, CHIP DETECTOR AND TORQUE PROBE. THE ENGINE WAS SPLIT AT THE C-FLANGE AND THE POWER TURBINE IMPACTED THE PT STATOR T/E FROM A SUSPECTED ROTOR SHIFT DUE TO BEARING DISTRESS. ENGINE WILL BE SENT FOR INVESTIGATION.