Service difficulty report · Turbine Blades · Beech C90A

Difficulty date
June 19, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Beech C90A
Engine
Pwa PT6A21
Part
Turbine Blades
Condition
Damaged
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
M, 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 AT FL135, THE PILOT HEARD A NOISE FROM THE LEFT ENGINE, THEN NOTICED ENGINE TEMPERATURE INCREASING FAST AND ELECTED TO SHUT THE ENGINE DOWN. AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. POST FLIGHT INSPECTION FOUND FRACTURED TURBINE BLADES AND A BROKEN OIL TUBE LEADING TO THE AIRFRAME OIL COOLER.

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