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C172 student pilot reported the trailing edge flaps were damaged during retraction perhaps due to the motor and the tracking system losing synchronization.
| Attributes | |
| ACN | 1511498 |
| Time | |
| Date | 201801 |
| Local Time Of Day | 1201-1800 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Flight Plan | VFR |
| Component | |
| Aircraft Component | Trailing Edge Flap |
| Person 1 | |
| Function | Single Pilot Pilot Flying |
| Qualification | Flight Crew Student |
| Experience | Flight Crew Total 83 Flight Crew Type 83 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Practicing power-off stalls with my instructor. When recovering from a power-off stall (had full flaps); as I was moving flaps from 20 degrees to 10 degrees; all of a sudden the plane shuddered and the right flap was completely bent. Looks like the motor and one of the tracking systems were not synchronized and it bent and tore the flap. No parts detached. Returning to the airport and landing was not an issue; and no emergency was declared. However this seems to be a serious structural/metal fatigue issue and for a plane that recently passed its 100-hour. I am unsure how this went unnoticed.
Original NASA ASRS Text
Title: C172 student pilot reported the trailing edge flaps were damaged during retraction perhaps due to the motor and the tracking system losing synchronization.
Narrative: Practicing power-off stalls with my instructor. When recovering from a power-off stall (had full flaps); as I was moving flaps from 20 degrees to 10 degrees; all of a sudden the plane shuddered and the right flap was completely bent. Looks like the motor and one of the tracking systems were not synchronized and it bent and tore the flap. No parts detached. Returning to the airport and landing was not an issue; and no emergency was declared. However this seems to be a serious structural/metal fatigue issue and for a plane that recently passed its 100-hour. I am unsure how this went unnoticed.
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.