Service difficulty report · Case · Bell 206L

Difficulty date
July 22, 2001
Submitted
August 14, 2001
Operation
General aviation
Make and model
Bell 206L
Aircraft time
5,059 hours
Engine
Allsn 250C20J
Part
Case
Condition
Damaged
Location
Engine
Part time
4,168 hours, 5,239 cycles
Component
Compressor · 6890550
Stage of operation
IN
How discovered
O
Nature of condition
D, R
Precautionary procedure
O

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

What was found

(CAN) ON WINDUP FROM GROUND IDLE TO FLIGHT IDLE, THE PILOT HEARD A POPPING NOISE AND A STEADY SOUND OF RUSHING AIR. THE TURBINE OUTLET TEMPERATURE (TOT) HAD CLIMBED INTO THE YELLOW ARC. DURING TROUBLLE SHOOTING THE COMPRESSOR CASE HALF WAS MISSING AND STATOR (NEXT TO THE SPLIT LINE) AT THE 4TH STAGE STATION LINE. THIS STATOR WENT BACK AND DAMAGED THE REMAINING STATORS AND WHEELS. COMPRESSOR WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.

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