ASN Wikibase Occurrence # 362619
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| Date: | Sunday 6 December 1992 |
| Time: | 14:45 LT |
| Type: |  Piper PA-32RT-301T |
| Owner/operator: | Private |
| Registration: | N3017P |
| MSN: | 32R-7987103 |
| Total airframe hrs: | 1132 hours |
| Engine model: | LYCOMING TIO-540-S1AD |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Jaffrey, NH -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | (KAFN) |
| Northampton, MA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING THE TAKEOFF ROLL, THE AIRPLANE SWERVED UNCONTROLLABLY TO THE LEFT, DEPARTED THE RUNWAY AND WENT DOWN AN EMBANKMENT. POST ACCIDENT INVESTIGATION DISCLOSED A FRACTURE OF THE NOSE LANDING GEAR STRUT WHERE IT ATTACHES TO THE ENGINE MOUNT. THE NOSE LANDING GEAR PARTIALLY COLLAPSED AND DIRECTIONAL CONTROL WAS NOT POSSIBLE. THE FRACTURE AREA HAD BEEN WELDED AS PART OF REPAIR TO THE ENGINE MOUNT DURING AN ANNUAL INSPECTION. ACCORDING TO A NTSB METALLURGICAL REPORT ABOUT THE WELD, '...EXAMINATION OF THE FRACTURE REVEALED NUMEROUS WELD DEFECTS SUCH AS POOR FUSION, EXCESSIVE POROSITY AND VOIDS....' IN ADDITION, THE METAL IN THE WELD AREA WAS FOUND TO BE SIGNIFICANTLY SOFTER THAN THE SURROUNDING METAL.
Probable Cause: AN IMPROPER WELD BY OTHER MAINTENANCE PERSONNEL WHICH RESULTED IN THE NOSE GEAR COLLAPSING, AND A LOSS OF DIRECTIONAL CONTROL ON TAKEOFF.
Accident investigation:
 |
|
Sources:
NTSB NYC93LA036
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 08:32 | ASN Update Bot | Added |
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