SDR AU980437

Service difficulty report · Gear · Bell 206B3

Difficulty date
April 23, 1998
Submitted
March 26, 2000
Operation
General aviation
Make and model
Bell 206B3
Engine
Allsn 250C20B
Part
Gear
Part number
2060400203
Condition
Pitted
Location
M/R Gearbox
Component
JR3TYPE
Stage of operation
IN
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

(AUS) DURING A SCHEDULED INSPECTION, METAL WAS FOUND ON THE M/R TRANSMISSION'S CHIP DETECTORS. ON TEAR DOWN INSPECTION, THE TRANSMISSION'S INPUT GEAR SHAFT WHICH FORMS THE INNER BEARING SURFACE FOR BEARING PN 206-040-031-107 RACE WAS FOUND TO HAVE SEVERE BRINELLING AND DESTRUCTIVE PITTING. PART TC: 7,037.

More about the Bell 206B-3