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Erj-170 flight crew reported that a severe vibration encountered on landing was caused by missing bolts in the left main gear shimmy dampener.
| Attributes | |
| ACN | 1450507 |
| Time | |
| Date | 201705 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Landing |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Main Gear Wheel |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Upon landing when the main landing gear touched down; the aircraft immediately experienced strong vibrations that shook the entire aircraft. The vibrations ended once we were below 50 knots. There was no checklist to run. We talked about the event and believed it was possibly a brake issue. However; the brake temperatures were normal and within limits. We decided to continue to taxi to the gate and had no further problems.post-flight inspection of the landing gear resulted in no observed anomalies by the flight crew. Later; maintenance reported that several bolts along with safety wire was missing from the left main landing gear shimmy dampener.
Original NASA ASRS Text
Title: ERJ-170 flight crew reported that a severe vibration encountered on landing was caused by missing bolts in the left main gear shimmy dampener.
Narrative: Upon landing when the main landing gear touched down; the aircraft immediately experienced strong vibrations that shook the entire aircraft. The vibrations ended once we were below 50 knots. There was no checklist to run. We talked about the event and believed it was possibly a brake issue. However; the brake temperatures were normal and within limits. We decided to continue to taxi to the gate and had no further problems.Post-flight inspection of the landing gear resulted in no observed anomalies by the flight crew. Later; Maintenance reported that several bolts along with safety wire was missing from the left main landing gear shimmy dampener.
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.