Service difficulty report · Bearing · Bell 206L1

Difficulty date
September 14, 2003
Submitted
October 15, 2003
Operation
General aviation
Make and model
Bell 206L1
Aircraft time
9,100 hours
Engine
Allsn 250C28B
Part
Bearing
Condition
Failed
Location
Compressor
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) NR 1 ENGINE BEARING FAILED, CHIP LIGHT NOTIFIED PILOT. AIRCRAFT WAS IN CRUISE FLIGHT. UPON INVESTIGATION THE BEARING CAGE AND BALLS WERE NO LONGER CONTAINED BETWEEN THE INNER AND OUTER RACES. THE IMPELLER WAS ALLOWED TO TILT AND AS A RESULT RUBBED A GROOVE INTO THE COMPRESSOR HOUSING. COMPRESSOR ASSEMBLY WAS REPLACED WITH SERVICEABLE UNIT. AIRCRAFT WAS GROUND RUN AND RETURNED TO SERVICE.

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