SDR HEEA113076

Service difficulty report · Transmission · Bell 407

Difficulty date
November 25, 2006
Submitted
December 11, 2006
Operation
Air carrier
Aircraft
N433PH
Make and model
Bell 407
Aircraft serial
53679
Aircraft time
1,233 hours
Engine
Allsn 250C47B
Part
Transmission
Part number
407040006115
Part serial
A709
Condition
Making Metal
Location
Main Rotor
Part time
1,234 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

METAL, THE CHIP LIGHT WAS CAUSED BY SLIVER OF METAL CREATED WHEN MFG INSTALLED BEARING 406-040-037-103 INTO THE LOWER MAST HOUSING 407-040-054-101. REPLACED TRANSMISSION. REQUESTS FOR WARRANTY CREDIT FOR PARTS AND LABOR DUE TO METAL SLIVER BEING CREATED DURING ASSEMBLY AT MFG.

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