ASN Wikibase Occurrence # 247702
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| Date: | Sunday 7 February 2021 |
| Time: | 15:00 LT |
| Type: |  Piper PA-44-180 Seminole |
| Owner/operator: | Hillsboro Aero Academy LLC |
| Registration: | N125MG |
| MSN: | 4496152 |
| Year of manufacture: | 2002 |
| Total airframe hrs: | 11615 hours |
| Engine model: | Lycoming O-360 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Roberts Field Airport (RDM/KRDM), Redmond, OR -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Redmond-Roberts Field, OR (RDM/KRDM) |
| Redmond-Roberts Field, OR (RDM/KRDM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the instructional flight, the right main landing gear separated during landing roll following a normal touchdown. The separated right landing gear assembly then struck the rear edge of the wing, which resulted in substantial damage to the wing. Examination revealed that the right landing gear strut piston tube had failed due to two fatigue cracks that had originated from corrosion pits near a drilled hole.
Two months before the accident, the manufacturer had issued a service letter applicable to the airplane that called for inspection of the strut piston tube for fatigue cracks. Performance of the inspection called for in the service letter would have discovered the cracks that led to the accident. Although the operator held a Part 141 certificate, they were not required to comply with the service letter.
Probable Cause: Failure of the landing gear strut piston tube due to fatigue cracking from corrosion pitting.
Accident investigation:
 |
|
Sources:
NTSB WPR21LA117
FAA register: https://registry.faa.gov/aircraftinquiry/Search/NNumberResult
https://flightaware.com/live/flight/N125MG
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Feb-2021 01:08 | Geno | Added |
| 14-Feb-2021 12:37 | aaronwk | Updated [Operator] |
| 21-Aug-2022 19:11 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative, Category, Accident report] |
| 21-Aug-2022 19:17 | harro | Updated [Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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