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A maintenance technician described an engine high power run where the parking brake became released; which resulted in the propeller contacting a piece of ground equipment.
| Attributes | |
| ACN | 1299325 |
| Time | |
| Date | 201510 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Medium Transport High Wing 2 Turboprop Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Propeller |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Ground Event / Encounter Loss Of Aircraft Control Ground Event / Encounter Object |
Narrative:
During a high power performance run; at approximately 96% torque; the parking brake handle released and the plane lurched forward; jumping the chocks. The left engine struck the gpu and damaged the #1 propeller. The aircraft movement was stopped by applying the toe brakes; retarding the throttles and reapplying parking brake. [In the future] chock all three gear; remove gpu from run area.
Original NASA ASRS Text
Title: A Maintenance Technician described an engine high power run where the parking brake became released; which resulted in the propeller contacting a piece of ground equipment.
Narrative: During a high power performance run; at approximately 96% torque; the parking brake handle released and the plane lurched forward; jumping the chocks. The left engine struck the GPU and damaged the #1 propeller. The aircraft movement was stopped by applying the toe brakes; retarding the throttles and reapplying parking brake. [In the future] chock all three gear; remove GPU from run area.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.