ASN Wikibase Occurrence # 297786
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| Date: | Wednesday 28 August 2019 |
| Time: | 18:00 LT |
| Type: |  Piper PA-22-150 |
| Owner/operator: | Alaska Floats And Skis |
| Registration: | N7236D |
| MSN: | 22-5062 |
| Year of manufacture: | 1957 |
| Total airframe hrs: | 3836 hours |
| Engine model: | Lycoming O-320 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Talkeetna, Alaska -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Talkeetna Airport, AK (TKA/PATK) |
| Talkeetna Airport, AK (TKA/PATK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While dragging an off-airport landing site, the flight instructor heard an audible "pop" and noticed a partial separation of the left main landing gear. After returning to the departure airport, he conducted a fly by and was told that the left main landing gear was loose. The pilot conducted an emergency landing, which resulted in a ground loop and substantial damage to the fuselage.
Postaccident examination revealed that the aft left welded-on fuselage landing gear fitting had separated from the fuselage at the welding point. Examination of the fractured weld surfaces revealed an unacceptable weld filet profile, which included incomplete fusion, a lack of penetration, and gross porosity in the weld deposit.
Probable Cause: A failure of the aft left weld-on fuselage landing gear fitting due to a poor weld joint.
Accident investigation:
 |
|
Sources:
NTSB ANC19LA047
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 08:38 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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