ASN Wikibase Occurrence # 21747
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| Date: | 05-JUL-2008 |
| Time: | 11:30 |
| Type: |  Rockwell S-2R Thrush Commander |
| Owner/operator: | Aerial Application |
| Registration: | N8499V |
| MSN: | 2372R |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Colquitt, GA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Agricultural |
| Departure airport: | Colquitt, GA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Shortly after takeoff during an agricultural application flight, approximately 834 hours since the turbine blades were installed, the engine experienced a loss of power resulting in a forced landing. Unable to dump his chemical load due to cars on a highway, the pilot executed a forced landing in a field resulting in substantial damage to both wings. Examination of the engine revealed that during repair of the compressor turbine disk in 2005, incorrect part number Federal Aviation Administration (FAA) Parts Manufacturer Approval (PMA) turbine blades were installed in all positions of the compressor turbine disk of the accident engine. The engine was approved for return to service. One of the turbine blades failed due to fatigue causing the remaining blades to fracture due to overstress.
Probable Cause: Loss of engine power due to the installation of incorrect turbine blades on the compressor turbine disk during repair of the disk assembly.
Sources:
NTSB
Accident investigation:
 |
|
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Jul-2008 01:26 | Fusko | Added |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Dec-2017 11:26 | ASN Update Bot | Updated [Operator, Total fatalities, Total occupants, Departure airport, Source, Narrative] |
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