Service difficulty report · Turbine Blades · Aerosp ATR72

Difficulty date
March 23, 2007
Submitted
June 7, 2007
Operation
General aviation
Make and model
Aerosp ATR72
Engine
Pwa PW127
Part
Turbine Blades
Condition
Damaged
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
R, A
Precautionary procedure
E

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

What was found

(CAN) THE ENGINE EXPEREINCED AN UNCOMMANDED POWER REDUCTION IN CLIMB, ACCOMPANIED BY NOISE AND FLAMES EXITING THE EXHAUST. THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED FRACTURED HIGH POWER TURBINE BLADES. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20070514032)