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ASN Wikibase Occurrence # 223319
Last updated: 22 June 2020
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Date:26-FEB-2018
Time:07:45
Type:Silhouette image of generic P28A model; specific model in this crash may look slightly different
Piper PA-28-140
Owner/operator:Great Lakes Air Inc
Registration: N1722J
C/n / msn: 28-24134
Fatalities:Fatalities: 0 / Occupants: 5
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Mackinac Island, MI -   United States of America
Phase: Unknown
Nature:Unknown
Departure airport:Saint Ignace, MI (83D)
Destination airport:Mackinac Island Airport, MI (MCD/KMCD)
Investigating agency: NTSB
Narrative:
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.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20180301X65123&key=1

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year
Download report: Final report


Revision history:

Date/timeContributorUpdates
22-Mar-2019 19:12 ASN Update Bot Added

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