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C402 pilot reported aircraft rolled 60 degrees to the right on final approach when the next notch of flaps was selected.
| Attributes | |
| ACN | 1453189 |
| Time | |
| Date | 201706 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Cessna 402/402C/B379 Businessliner/Utiliner |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Initial Approach |
| Route In Use | Visual Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Flap/Slat Control System |
| Person 1 | |
| Function | Pilot Flying |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
IFR repo flight; approach cleared me for the visual xyl (short runway); I was in a left continuous turn keeping a jet in site landing on xyr; I had gone in range; and extended the gear.while turning base to final I decided to extend the next 'notch' of flaps when I heard a loud bang!/snap! And the aircraft rolled right approximately 60-70 degrees (total roll approximately 100 degrees) for a few very long) seconds; heading towards the bridge then the aircraft leveled.I told the tower there was something wrong with the flight controls and requested to land xyr; as xyl may be problematic if the flaps may have malfunctioned.I decided not to touch anything not to further the malfunction; the tower instructed me to make left traffic for runway xyr; and the landing was uneventful.upon reaching ops; I called in my times and asked maintenance to meet me at the aircraft.I noticed the flap handle approximately 20 degrees but the indicator showed 0; the flaps where fully extended but loose as they could be pushed up.
Original NASA ASRS Text
Title: C402 pilot reported aircraft rolled 60 degrees to the right on final approach when the next notch of flaps was selected.
Narrative: IFR repo flight; approach cleared me for the visual XYL (short runway); I was in a left continuous turn keeping a jet in site landing on XYR; I had gone in range; and extended the gear.While turning base to final I decided to extend the next 'notch' of flaps when I heard a loud bang!/snap! and the aircraft rolled right approximately 60-70 degrees (total roll approximately 100 degrees) for a few very long) seconds; heading towards the bridge then the aircraft leveled.I told the tower there was something wrong with the flight controls and requested to land XYR; as XYL may be problematic if the flaps may have malfunctioned.I decided not to touch anything not to further the malfunction; the tower instructed me to make left traffic for RWY XYR; and the landing was uneventful.Upon reaching ops; I called in my times and asked Maintenance to meet me at the aircraft.I noticed the flap handle approximately 20 degrees but the indicator showed 0; the flaps where fully extended but loose as they could be pushed up.
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.