Service difficulty report · Bearing · Bell 407

Difficulty date
March 8, 2016
Submitted
March 11, 2016
Operation
Air carrier
Aircraft
N193AM
Make and model
Bell 407
Aircraft serial
54004
Aircraft time
2,280 hours, 7,163 cycles
Engine
Allsn 250C47B
Engine time
5,790 hours, 7,401 cycles
Part
Bearing
Part number
407310102103
Part serial
LK8270
Condition
Separated
Location
Main Rotor Hub
Part time
1,282 hours
Component
Main Rotor Hub · Bell
Component part number
407010100123
Stage of operation
UK
How discovered
O
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

MAIN ROTOR FEATHERING BEARING ELASTOMER SEPARATION BEYOND LIMITS, FOUND DURING AIRWORTHINESS CHECK. THIS ACFT REMAINS OUT OF SERVICE AT THIS TIME AWAITING A REPAIR TO THE MRH INSTALLING NEW FEATHERING BEARINGS.

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