ASN Wikibase Occurrence # 287396
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| Date: | Friday 7 September 2012 |
| Time: | 14:00 LT |
| Type: |  Socata TBM700 |
| Owner/operator: | Private |
| Registration: | N850ZM |
| MSN: | 556 |
| Year of manufacture: | 2010 |
| Total airframe hrs: | 414 hours |
| Engine model: | P&W Canada PT6A-66 SER |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Horseshoe Bay, Texas -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Abilene Regional Airport, TX (ABI/KABI) |
| Horseshoe Bay Resort Airpark, TX (KDZB) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, after configuring the airplane for landing, the cockpit indications showed that the landing gear was down and locked. Upon landing, the right main landing gear collapsed, and the airplane subsequently veered off the runway.
Postaccident examination of the landing gear revealed that the right main landing gear actuator rod end was separated from the actuator ball joint. No other anomalies were noted. Further examination of the actuator rod and ball joint revealed that the ball joint was not centered or set in its normal position. In April 2013, after several other events involving similar landing gear malfunctions, the manufacturer issued two mandatory service bulletins (SB), which outlined protocols for inspecting the pistons and rods of the landing gear actuators, inspecting the ball joint centering of the landing gear actuators, and measuring the ball joint mismatches. In March 2014, the Federal Aviation Administration issued an airworthiness directive, which required compliance with the manufacturer's SBs and the repair or replacement of affected parts.
Probable Cause: The off-centered right main landing gear ball joint, which resulted in the right main landing gear collapsing during landing.
Accident investigation:
 |
|
Sources:
NTSB CEN12LA672
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 10:28 | ASN Update Bot | Added |
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