Service difficulty report · Transmission · Bell 407

Difficulty date
September 11, 2017
Submitted
September 12, 2017
Operation
Air carrier
Aircraft
N407WA
Make and model
Bell 407
Aircraft serial
53222
Aircraft time
8,397 hours, 33,992 cycles
Part
Transmission
Part number
407040006127
Part serial
A1205
Condition
Making Metal
Location
Main
Part time
1,099 hours, 20 cycles
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

PL FOR TRANSMISSION CHIP LIGHT. TRANSMISSION CHIP WAS EVALUATED IAW MM 63-14 AND WAS DETERMINED TO DO A SERVICEABILITY CHECK IAW 63-11. AFTER 5 MINUTES INTO THE GROUND RUN FOR THE CHECK A SUBSEQUENT CHIP LIGHT ILLUMINATED. IT WAS THEN DECIDED TO REPLACE THE TRANSMISSION. ACFT WAS GROUND TRANSPORTED TO MX FACILITY.

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