Service difficulty report · Turbine Blades · Aerosp ATR72212

Difficulty date
May 23, 2006
Submitted
June 22, 2006
Operation
General aviation
Make and model
Aerosp ATR72212
Engine
Pwa PW127
Part
Turbine Blades
Condition
Failed
Location
Turbine Section
Stage of operation
CL
How discovered
O
Nature of condition
R, 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 TAKEOFF CLIMB, THE ENGINE EMITTED A LOUD NOISE ACCOMPANIED BY AN UNCOMMANDED POWER REDUCTION AND A FIRE WARNING. THE ENGINE WAS SHUTDOWN IN FLIGHT, AT WHICH POINT THE FIRE WARNING DEACTIVATED. THE AIRCRAFT DIVERTED TO POINT OF DEPARTURE. SUBSEQUENT INSPECTION REVEALED FRACTURED POWER TURBINE BLADES. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20060531021)

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