Service difficulty report · Engine · Bell 407

Difficulty date
September 24, 2017
Submitted
September 27, 2017
Operation
Air carrier
Aircraft
N408LM
Make and model
Bell 407
Aircraft serial
54620
Aircraft time
824 hours, 1,632 cycles
Engine
Allsn 250C47B
Engine time
824 hours, 1,632 cycles
Part
Engine
Condition
Making Metal
Part time
824 hours, 1,632 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

ENGINE CHIP DETECTOR WARNING LIGHT ILLUMINATED. CHECKED CHIP DETECTORS, FORWARD ENGINE CHIP DETECTOR HAD NUMEROUS METAL CHIPS. CHECKED THE BOTTOM GEARBOX DETECTOR AND ALSO HAD NUMEROUS METAL PARTICLES. THE OIL FILTER BYPASS INDICATOR WAS ALSO POPPED.

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