Service difficulty report · Blades · Bell 412

Difficulty date
March 30, 2008
Submitted
May 2, 2008
Operation
General aviation
Make and model
Bell 412
Engine
Pwa PT6T3
Part
Blades
Condition
Failed
Location
Compressor Turb
Stage of operation
AP
How discovered
O
Nature of condition
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

ON APPROACH, THE CREW NOTED ENGINE TEMP AT APPROX 900 DEGREES FOLLOWED BY SOME NOISES. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT LANDED. INITIAL INVESTIGATION REVEALED LOSS OF COMPRESSOR TURBINE BLADE MATERIAL AND SHROUD SEGMENT MATERIAL, THE ENGINE WAS SENT FOR REPAIR.

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