ASN Wikibase Occurrence # 366210
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| Date: | Tuesday 11 September 1990 |
| Time: | 06:15 LT |
| Type: |  Piper PA-601P |
| Owner/operator: | Grand Aire Express, Inc. |
| Registration: | N321GB |
| MSN: | 629-7963287 |
| Total airframe hrs: | 2843 hours |
| Engine model: | LYCOMING IO-540-S1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Monroe, MI -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Rockford, IL (KRFD) |
| Monroe, MI (D92) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT FELT THE AIRPLANE PULL RIGHT AT TOUCHDOWN. COMBINED USE OF FLIGHT CONTROLS, LEFT BRAKE AND DIFFERENTIAL POWER REDUCED BUT DID NOT PREVENT A DRIFT OFF THE RUNWAY. A BROKEN TORQUE LINK ON THE RIGHT MAIN LANDING GEAR SCISSORS ASSEMBLY ALLOWED THE LOWER STRUT TO TURN OUT OF ALIGNMENT, SCRUBBING THE RIGHT MAIN TIRE SIDEWAYS THROUGHOUT THE LANDING ROLL. THERE HAVE BEEN 17 SIMILAR FAILURES SINCE 1985. THE MANUFACTURER HAS USED A REDESIGNED LINK IN NEW PRODUCTION SINCE 1982 WITHOUT FAILURE. SERVICE BULLETIN 746A, ISSUED 5/86, OFFERS A LINK REPLACEMENT.
Probable Cause: A FATIGUE FRACTURE OF THE TORQUE LINK ON THE RIGHT LANDING GEAR STRUT SCISSOR ASSEMBLY.
Accident investigation:
 |
|
Sources:
NTSB CHI90LA261
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 18:33 | ASN Update Bot | Added |
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