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Ramp employee reported that the tongue locking mechanism on a ground power unit malfunctioned and injured a ramp employee.
| Attributes | |
| ACN | 1584068 |
| Time | |
| Date | 201810 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | Ramp |
| Events | |
| Anomaly | Ground Event / Encounter Other / Unknown |
Narrative:
I was in the process of pre-departure for [the] flight. I have just completed my walk around the aircraft and proceeded to move the ground power unit out of the envelope. I parked the unit; disconnected the tongue of the unit from the tractor and pushed it up so it would lock. The tongue was locked in the up position and stay in place. As I brought my hands down; the tongue locking mechanism malfunction and disengaged by itself and hit me in the jaw; causing major injury. Supervisor was called and notified. I never expected the tongue of the ground power unit to malfunction.
Original NASA ASRS Text
Title: Ramp employee reported that the tongue locking mechanism on a ground power unit malfunctioned and injured a ramp employee.
Narrative: I was in the process of pre-departure for [the] flight. I have just completed my walk around the aircraft and proceeded to move the ground power unit out of the envelope. I parked the unit; disconnected the tongue of the unit from the tractor and pushed it up so it would lock. The tongue was locked in the up position and stay in place. As I brought my hands down; the tongue locking mechanism malfunction and disengaged by itself and hit me in the jaw; causing major injury. Supervisor was called and notified. I never expected the tongue of the ground power unit to malfunction.
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.