ASN Wikibase Occurrence # 223319
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| Date: | Monday 26 February 2018 |
| Time: | 07:45 |
| Type: |  Piper PA-28-140 |
| Owner/operator: | Great Lakes Air Inc |
| Registration: | N1722J |
| MSN: | 28-24134 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 6344 hours |
| Engine model: | Lycoming O-540-E4B5 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mackinac Island, MI -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | Saint Ignace, MI (83D) |
| Mackinac Island Airport, MI (MCD/KMCD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the final approach for the short cross country flight, the pilot heard a "thud." During the landing flare the pilot suspected a landing gear issue and landed as gently as possible. However, the right wing settled onto the runway and was substantially damaged. A postaccident examination revealed that the landing gear had not been reinstalled correctly during maintenance performed in 2013. Only one of the 8 fasteners required for installation was recovered and it was sheered. The damage to the wing and landing gear was consistent with the improper installation of the fasteners and was not impact related. It is likely that the fasteners were either not installed or not torqued properly during the previous maintenance. Subsequent annual and 100-hour inspections did not detect this discrepancy.
Probable Cause: The improper reinstallation of the right main landing gear by maintenance personnel which resulted in the separation of the landing gear and the subsequent abnormal runway contact during the landing.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2019 19:12 | ASN Update Bot | Added |
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