What was found
TURBINE WAS REMOVED FROM AIRCRAFT DUE TO CRACKED EXHAUST COLLECTOR. REMOVED COMBUSTION SECTION AND FOUND HEAVY SULPHADATION AND CRACKS ON NR 1 WHEEL BLADES. CHECK NR 1 WHEEL FOR PROPER COATING ON BLADES.
- Difficulty date
- March 24, 2002
- Submitted
- July 12, 2002
- Operation
- Air carrier
- Aircraft
- N741SW
- Make and model
- Skrsky S76A
- Aircraft serial
- 760070
- Engine
- Allsn 250C30S
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine
- Part number
- 23035128
- Part serial
- CAT90445
- Condition
- Damaged
- Location
- Nr 2 Engine
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.