ASN Wikibase Occurrence # 365911
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| Date: | Monday 26 November 1990 |
| Time: | 08:06 LT |
| Type: |  ATR 42-300 |
| Owner/operator: | Executive Air Charter, Inc. |
| Registration: | N971NA |
| MSN: | 017 |
| Total airframe hrs: | 7728 hours |
| Engine model: | P&W PW-120 |
| Fatalities: | Fatalities: 0 / Occupants: 47 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Saint Thomas Airport (STT/TIST) -
 U.S. Virgin Islands
|
| Phase: | Taxi |
| Nature: | Unknown |
| Departure airport: | San Juan, PR (KSJU) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
LEFT MAIN LANDING GEAR COLLAPSED DURING TAXI FROM LANDING. LEFT MAIN LANDING GEAR SIDE BRACE LOWER ARM HAD SEPARATED DUE TO FATIGUE IN THE AREA WHERE A BEARING IS MOUNTED. THE FATIGUE CRACK ORIGINATED IN AN AREA OF CORROSION DAMAGE ON THE LOWER ARM OUTSIDE OF THE BEARING RACE.
Probable Cause: THE FAILURE OF THE LEFT MAIN LANDING GEAR SIDE BRACE LOWER ARM DUE TO FATIGUE RESULTING FROM CORROSION FORMATION, WHICH RESULTED FROM IMPROPER DESIGN TO PREVENT CORROSION FORMATION.
Accident investigation:
 |
|
Sources:
NTSB MIA91IA032
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 15:21 | ASN Update Bot | Added |
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