Service difficulty report · Bearing · Bell 407

Difficulty date
June 5, 2002
Submitted
September 10, 2002
Operation
Air carrier
Aircraft
N407NN
Make and model
Bell 407
Aircraft serial
53250
Engine
Allsn 250C*
Part
Bearing
Part number
407340339101
Part serial
ZV11135ZV11136
Condition
Failed
Location
Cooler Blower
Part time
242 hours
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

FOUND BLACK GREASE COMING FROM BOTH BEARINGS ON THE OIL COOLER BLOWER, THESE WERE THE NEW STYLE REQUIRED BY ASB407-01-44.

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