Service difficulty report · Chip Detector · Bell 407

Difficulty date
January 19, 2016
Submitted
January 21, 2016
Operation
Air carrier
Aircraft
N150AM
Make and model
Bell 407
Aircraft serial
54046
Aircraft time
1,933 hours, 5,049 cycles
Engine
Allsn 250C47B
Engine time
5,527 hours, 14,570 cycles
Part
Chip Detector
Part number
B4749
Condition
Contaminated
Location
Tr Gearbox
Part time
1,933 hours, 5,050 cycles
Component
Tr Gearbox · Bell
Component part number
406040400121
Stage of operation
AA
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

TAIL ROTOR CHIP LIGHT ILLUMINATED IN FLIGHT. PERFORMED PRECAUTIONARY LANDING AT NEARBY AIRFIELD. FOUND ONE SMALL SLIVER ON TAIL ROTOR CHIP PLUG. GEARBOX WAS RECENTLY REPLACED, DETERMINED TO MOST LIKELY BE BREAK IN WEAR.

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