Service difficulty report · Engine · Bolkms BK117B2

Difficulty date
February 23, 2009
Submitted
February 24, 2009
Operation
Air carrier
Aircraft
N122SL
Make and model
Bolkms BK117B2
Aircraft serial
7207
Aircraft time
15,090 hours, 57,836 cycles
Engine
Lyc LTS101750B1
Engine time
8,735 hours
Part
Engine
Part serial
45724
Condition
Making Metal
Location
Nr 2
Part time
8,735 hours
Stage of operation
AA
How discovered
O
Nature of condition
R, X
Precautionary procedure
B, A

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

What was found

WHILE IN CRUISE FLIGHT PILOT HEARD AND FELT COMPRESSOR STALL FOLLOWED BY YAWING OF ACFT DURING THIS TIME NR2 ENGINE FLAMED OUT, ENGINE HAD 1143.1 HRS SINCE 1800 HR INSPECTION. FOUND METAL IN OIL AT THE NG AND NP COMPRESSOR, PT WHEEL LOCKED UP. ENGINE REMOVED AND SENT TO VENDOR FOR FURTHER INVESTIGATION.