What was found
TURBINE RECEIVED FOR TIME CHANGE ON 3RD AND 4TH STAGE WHEEL RETIREMENT. TURBINE HAD A MFG LINER INSTALLED. REMOVED COMBUSTION SECTION AND FOUND SULFIDATION ON 1ST STAGE WHEEL BLADES. CHECK 1ST STAGE WHEELS FOR PROPER COATING.(K)
- Difficulty date
- October 19, 2001
- Submitted
- November 20, 2001
- Operation
- Air carrier
- Aircraft
- N3174Y
- Make and model
- Bell 206L3
- Aircraft serial
- 51038
- Engine
- Allsn 250C30P
- System (JASC)
- 7250 · Turbine Section
- Part
- Blade
- Part number
- 23053299
- Part serial
- X146549
- Condition
- Corroded
- Location
- Engine
- Part time
- 1,830 hours
- 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.