Service difficulty report · Chip Detector · Bell 407

Difficulty date
June 11, 2017
Submitted
June 13, 2017
Operation
Air carrier
Aircraft
N407AM
Make and model
Bell 407
Aircraft serial
53309
Aircraft time
7,676 hours, 26,658 cycles
Engine
Allsn 250C47B
Engine time
5,646 hours, 15,193 cycles
Part
Chip Detector
Part number
407040006115FM
Part serial
A415
Condition
False Activation
Location
Transmission
Stage of operation
NR
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

IN FLIGHT THE TRANSMISSION CHIP CAUTION ILLUMINATED. INSPECTED THE CHIP DETECTOR. DEBRIS FOUND DETERMINED TO BE INSIGNIFICANT IAW MM 63. ACFT WAS GROUND RUN FOR 10 MINUTES. AN OPERATIONAL CHECK FLIGHT FOR 30 PLUS MINUTES WAS ALSO COMPLETED. COULD NOT DUPLICATED DISCREPANCY,AND AIRCRAFT WAS THEN RETURNED TO SERVICE.

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