SDR HEEA080427

Service difficulty report · Turbine Wheel · Skrsky S76A

Difficulty date
July 9, 2002
Submitted
July 22, 2002
Operation
Air carrier
Aircraft
N1546G
Make and model
Skrsky S76A
Aircraft serial
760076
Aircraft time
19,858 hours
Engine
Allsn 250C30S
Engine time
10,456 hours
Part
Turbine Wheel
Part number
23053299
Part serial
X146444
Condition
Damaged
Location
Engine
Part time
1,150 hours, 2,427 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 REMOVED DUE TO CRACKED EXHAUST COLLECTOR. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED AND REPLACED WITH SERVICEABLE PART.