SDR HEEA082390

Service difficulty report · Turbine Wheel · Bolkms BO105S

Difficulty date
December 11, 2002
Submitted
December 23, 2002
Operation
Air carrier
Aircraft
N7136H
Make and model
Bolkms BO105S
Aircraft serial
S833
Aircraft time
9,474 hours
Engine
Allsn 250C20B
Engine time
15,766 hours
Part
Turbine Wheel
Part number
6886407
Part serial
X144326
Condition
Damaged
Location
Engine
Part time
1,040 hours, 1,512 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

ENGINE PRODUCING LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED.