What was found
DURING EMS TAKEOFF AT 89-100 FT ENGINE HAD A BANG AND SEVERAL LOUD POPS. ENGINE REMOVED 6-3-16 DUE TO HARD LANDING. COMPRESSOR DIFFUSER EXHIBITED BRAZEMENT SEPARATING ON AFT BACKING PLATE. PART SENT TO MFG FOR FAILURE ANALYSIS.
- Difficulty date
- June 20, 2016
- Submitted
- July 22, 2016
- Operation
- General aviation
- Filed by
- HEER617E
PHI Aviation, LLC - Aircraft
- N4999
- Make and model
- Bell 407
- Aircraft serial
- 53323
- Aircraft time
- 8,451 hours
- Engine
- Allsn 250C47B
- Engine time
- 6,768 hours
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Diffuser
- Part number
- 23064637
- Part serial
- GY27720R
- Condition
- Separated
- Location
- Engine
- Component
- Compressor
- Component part number
- 23065593
- 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.