What was found
3.5 " CRACK FOUND ON HORIZ WELD LINE OF OUTER COMBUSTION CASE BY AME DURING POST FLIGHT INSPECTION. COMBUSTION CASE AND INNER COMBUSTION LINER REPLACED PRIOR TO FUTHER FLIGHT. CAUSE UNKNOWN.
- Difficulty date
- July 11, 2011
- Submitted
- September 9, 2011
- Operation
- Air carrier
- Make and model
- Bell 407
- Aircraft time
- 7,261 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 7240 · Turbine Engine Combustion Section
- Part
- Combustion Case
- Part number
- 23030911
- Condition
- Cracked
- 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.