Service difficulty report · Engine · Bell 407

Difficulty date
June 16, 2015
Submitted
June 19, 2015
Operation
Air carrier
Aircraft
N193AM
Make and model
Bell 407
Aircraft serial
54004
Aircraft time
1,816 hours, 5,347 cycles
Engine
Allsn 250C47B
Engine time
5,459 hours, 5,347 cycles
Part
Engine
Part number
23063392
Part serial
CAE847535
Condition
Making Metal
Part time
5,459 hours, 5,347 cycles
Stage of operation
AA
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

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

What was found

THE ENG CHIP LIGHT ILLUMINATED IN CRUISE FLIGHT. THE PILOT IMMEDIATELY DIVERTED TO A NEARBY AIRPORT & LANDED WITHOUT ANY FURTHER ISSUES. THE MECHANIC ARRIVED & INSPECTED BOTH UPPER & LOWER ACCESSORY GEARBOX CHIP DETECTORS. THEY BOTH SHOWED EXCESSIVE AMOUNTS OF METAL & WERE DETERMINED TO BE WELL BEYOND THE ALLOWABLE LIMITS. THIS ACFT IS CURRENTLY OUT OF SERVICE, AT THE TIME OF THIS SUBMISSION, FOR AN ENG REPLACEMENT.

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