Service difficulty report · Duplex Bearing · Bell 407

Difficulty date
June 16, 2010
Submitted
January 4, 2011
Operation
Air carrier
Make and model
Bell 407
Part
Duplex Bearing
Part number
407340032101
Condition
Failed
Location
M/R Transmission
Part time
6 hours
Component
Transmission · Bell
Component part number
407040006115
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

(CAN) MAIN TRANSMISSION CHIP LIGHT ILLUMINATED DURING FERRY FLIGHT EN ROUTE, EVENT OCCURRED APPROX 2 HRS AFTER TAKEOFF. MISSION ABORTED AND AIRCRAFT LANDED IN A FIELD . UPON DISSASSEMBLY OF THE TRANSMISSION, DUPLEX BEARING 407-340-032-101 WAS FOUND INCORRECTLY INSTALLED BACK TO FACE INSTEAD OF FACE TO FACE AS REQUIRED PER DESIGN.

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