Service difficulty report · Turbine Blades · Dhav DHC8103

Difficulty date
August 31, 2007
Submitted
October 24, 2007
Operation
General aviation
Make and model
Dhav DHC8103
Engine
Pwa PW121
Part
Turbine Blades
Condition
Failed
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
O
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) FOLLOWING TAKEOFF, THE ENGINE EMITTED A LOUD NOISE AND WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED FRACTURED POWER TURBINE BLADES. ASSOCIATED FRACTURE OF THE EXHAUST DUCT CLAMP RESULTED IN EXHAUST IMPINGING ON THE LANDING GEAR STRUT IN THE AIRCRAFT WHEELWELL, TRIGGERING A FIRE WARNING INDICATION. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20071016001)