Service difficulty report · Bearing · Bell 206L

Difficulty date
June 9, 2009
Submitted
December 1, 2009
Operation
General aviation
Make and model
Bell 206L
Aircraft time
17,740 hours
Engine
Allsn 250C20R
Part
Bearing
Part number
23034787
Condition
Failed
Location
Gearbox
Part time
385 hours
Component
Gearbox · Allsn
Component part number
23035185
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) ENG WAS REMOVED AFTER METAL CONTAMINATION AND SENT TO A REPAIR FACILITY. THE 2.5 BEARING WAS FOUND TO HAVE SPALLED ROLLERS AND RACE AND WAS MISSING A ROLLER. THIS BEARING WAS A PMA PART PN 23034787AL SN TA NR 0511363 AND WAS INSTALLED NEW 385 HOURS AGO. OTHER BEARINGS AND PARTS RECEIVED DAMAGE AS A RESULT OF THE METAL CONTAMINATION.

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