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| Date: | Monday 4 July 1994 |
| Time: | 15:00 LT |
| Type: |  Pitts S-2B |
| Owner/operator: | Private |
| Registration: | N61PS |
| MSN: | 5230 |
| Year of manufacture: | 1991 |
| Total airframe hrs: | 740 hours |
| Engine model: | Lycoming AEIO-540 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fort Lauderdale, FL -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS PERFORMING ACROBATIC MANEUVERS WHEN HE HEARD A 'POP' AND NOTED THAT HIS RIGHT UPPER AILERON WAS LOOSE. HE SLOWED DOWN, AND WAS ABLE TO RETURN AND LAND WITHOUT FURTHER INCIDENT. POSTFLIGHT INSPECTION REVEALED A FAILURE OF THE UPPER RIGHT INBOARD AILERON WELDED BRACKET. FURTHER METALLURGICAL EXAMINATION AT THE SAFETY BOARD LABORATORY REVEALED 3 DISTINCT FATIGUE ORIGINS BETWEEN THE TOE OF THE WELD AND THE WELDED ZONES. THE WELD ITSELF EXHIBITED SHARP AND HIGH WELD CROWNS.
Probable Cause: THE POOR WELDING QUALITY OF THE MANUFACTURER, RESULTING IN THE FATIGUE FAILURE OF THE AILERON ATTACHMENT BRACKET.
Accident investigation:
 |
|
Sources:
NTSB MIA94LA171
History of this aircraft
Other occurrences involving this aircraft
| 26 May 1994 | N61PS | Private | 0 | Keystone Height, FL | |
sub |
| 3 March 2004 | N61PS | Private | 0 | Parkland, FL | |
sub |
| Fuel exhaustion | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 19:18 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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