Service difficulty report · Compressor · Bell 407

Difficulty date
February 11, 2017
Submitted
February 14, 2017
Operation
Air carrier
Aircraft
N932SF
Make and model
Bell 407
Aircraft serial
53653
Aircraft time
2,014 hours, 5,982 cycles
Engine
Allsn 250C47B
Engine time
9,982 hours, 15,023 cycles
Part
Compressor
Part number
23065593
Part serial
CAC44387
Condition
Cracked
Location
Engine
Part time
14,088 hours
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

PILOT REPORTED HIS MGT HAD INCREASED IN FLIGHT. A VISUAL INSPECTION WAS PERFORMED ON THE ENGINE AND A CRACK ABOUT 3 INCHES LONG WAS FOUND ON THE LT FORWARD SIDE OF THE COMPRESSOR SCROLL.

More about the Bell 407