Service difficulty report · Compressor · Bell 412EP

Difficulty date
May 11, 2005
Submitted
June 2, 2005
Operation
General aviation
Make and model
Bell 412EP
Engine
Pwa PT6T3
Part
Compressor
Condition
Seized
Location
Engine
Stage of operation
CR
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

DURING CRUISE, ENGINE TURBINE TEMPERATURE STEADILY INCREASED ACCOMPANIED BY A DECEASE IN COMPRESSOR SPEED. THE CREW SHUT THE ENGINE DOWN IN-FLIGHT AND THE AIRCRAFT WAS DIVERTED. SUBSEQUENT INSPECTION EVIDENCED COMPRESSOR SEIZURE. P&WC WILL INVESTIGATE THE INCIDENT AND ADVISE OF ROOT CAUSE, ONCE ESTABLISHED.

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