Service difficulty report · Turbine Blades · Cessna 208B

Difficulty date
August 24, 2008
Submitted
November 3, 2008
Operation
General aviation
Make and model
Cessna 208B
Engine
Pwa PT6A114A
Part
Turbine Blades
Condition
Fractured
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
Y, A
Precautionary procedure
B, A

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

What was found

(CAN) APPROX 45 MINUTES INTO THE FLIGHT PILOT REPORTED ENGINE TROUBLE AND WAS ATTEMPTING AN EMERGENCY LANDING. CONTROL OF THE ACFT WAS LOST DURING LANDING AND THERE WAS A POST CRASH FIRE. EXAMINATION OF THE ENGINE REVEALED FRACTURED COMPRESSOR TURBINE (CT) BLADES. CT BLADES ARE ORIGINAL TO ENGINE MFG. MFG HAS REQUESTED COMPRESSOR TURBINE DISK AND BLADES TO BE RETURNED FOR ANALYSIS. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED.

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