# NTSB investigations: Main landing gear attach sec

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 66 cases

## Latest cases

- [NTSB WPR26LA143](https://openairdocs.org/ntsb/WPR26LA143.md): Paul D Cannon Kitfox Light Squared · Lincoln, CA · Accident · No injuries · Class 4 · Limited · Final report · Mar 27, 2026 · N11446 · Substantial damage
  > The pilot's failure to properly flare the airplane during landing, which resulted in a hard landing and separation of the main landing gear. Contributing to the accident was the improper installation and over torquing of the landing gear attachment hardware,…
- [NTSB ERA26LA028](https://openairdocs.org/ntsb/ERA26LA028.md): Consolidated Vultee 28-5ACF · Dayton, TN · Accident · No injuries · Class 4 · Limited · Final report · Oct 31, 2025 · N222FT · Substantial damage
  > The collapse of the left main landing gear due to the fatigue fracture of the lower landing gear actuator bolt.
- [NTSB ANC25LA087](https://openairdocs.org/ntsb/ANC25LA087.md): Piper PA-22-160 · Homer, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 19, 2025 · N9314D · Substantial damage
  > The failure of the left main landing gear mount due to extensive corrosion while landing in an area of rough terrain.
- [NTSB CEN25LA328](https://openairdocs.org/ntsb/CEN25LA328.md): Vans RV14 · Parker, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 13, 2025 · N29JM · Substantial damage
  > Separation of the right landing gear wheel assembly during landing.
- [NTSB ANC25LA030](https://openairdocs.org/ntsb/ANC25LA030.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2025 · N1718R · Substantial damage
  > Maintenance personnel’s reuse of worn hardware during the installation of the landing gear assembly and the hardware’s failure and subsequent separation of the gear leg from the landing gear box assembly during taxi.
- [NTSB ERA25LA125](https://openairdocs.org/ntsb/ERA25LA125.md): C K ING Adventure CCX-2000 · Okeechobee, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 23, 2025 · N63CK · Substantial damage
  > A separation of the left main landing gear during landing.
- [NTSB ERA25LA054](https://openairdocs.org/ntsb/ERA25LA054.md): Jolly Warren T Bakeng Duce · Plant City, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 17, 2024 · N72WJ · Substantial damage
  > Failure of the right main landing gear attachment bolt and hold-down nut, resulting in the right main landing gear collapsing.
- [NTSB ANC25LA002](https://openairdocs.org/ntsb/ANC25LA002.md): Piper PA-22-160 · Kasilof, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 8, 2024 · N9621D · Substantial damage
  > The right main landing gear’s inadvertent contact with uneven terrain, which resulted in a hard landing. Contributing was the pilot’s failure to adequately assess the landing environment prior to touchdown.
- [NTSB ANC24LA082](https://openairdocs.org/ntsb/ANC24LA082.md): Piper PA-22-150 · Sagwon, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 25, 2024 · N6815B · Substantial damage
  > A failure of the landing gear fitting at the fuselage attachment point to due to a poor weld joint.
- [NTSB ERA24LA255](https://openairdocs.org/ntsb/ERA24LA255.md): Titan T51 · Madisonville, TN · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 8, 2024 · N512JA · Substantial damage
  > The failure of the right main landing gear weldment due to fatigue cracking.
- [NTSB WPR24LA147](https://openairdocs.org/ntsb/WPR24LA147.md): Piper PA-22-150 · Emmett, ID · Accident · No injuries · Class 4 · Limited · Final report · May 12, 2024 · N3915P · Substantial damage
  > The pilot’s loss of directional control during landing roll due to a loose tailwheel leaf spring assembly.
- [NTSB DCA23FA417](https://openairdocs.org/ntsb/DCA23FA417.md): Boeing 737-890 · Santa Ana, CA · Accident · No injuries · Class 2 · Field · Final report · Aug 21, 2023 · N516AS · Substantial damage
  > Maintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during machining, which imparted heat damage to the base metal and led to the fatigue cracking that caused the pin to fracture during landing.
- [NTSB DCA23LA409](https://openairdocs.org/ntsb/DCA23LA409.md): Boeing 767-322 · Chantilly, VA · Accident · Class 4 · Limited · Final report · Aug 3, 2023 · N676UA · Substantial damage
  > Improper overhaul of the trunnion cross-pin hole that resulted in the development of stress corrosion cracking and eventual failure of the right forward trunnion.
- [NTSB ERA22LA296](https://openairdocs.org/ntsb/ERA22LA296.md): American Champion 8KCAB · Knoxville, TN · Accident · No injuries · Class 4 · Limited · Final report · Jun 28, 2022 · N721SD · Substantial damage
  > The inadequate maintenance of the left main landing gear through bolt, which resulted in a left main landing gear collapse and subsequent runway excursion during landing.
- [NTSB WPR22LA124](https://openairdocs.org/ntsb/WPR22LA124.md): Cessna 310R · McGrath, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 10, 2022 · N3UR · Substantial damage
  > A failure of the right main landing gear bellcrank lower arm fork, bellcrank, pivot bolt, and trunnion bellcrank lug for undetermined reasons.
- [NTSB CEN21LA416](https://openairdocs.org/ntsb/CEN21LA416.md): Cessna 175 · Hot Springs, SD · Accident · No injuries · Class 3 · Limited · Final report · Sep 10, 2021 · N9343B · Substantial damage
  > The tensile overload failure of the main landing gear attachment bolt, which resulted in separation of the left main landing gear and a loss of control during landing.
- [NTSB CEN21LA233](https://openairdocs.org/ntsb/CEN21LA233.md): Cessna 140 · Edinburg, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 30, 2020 · N76933 · Substantial damage
  > The collapse of the airplane’s left main landing gear for a reason that could not be determined based upon the available evidence.
- [NTSB ERA21LA021](https://openairdocs.org/ntsb/ERA21LA021.md): Beech 99 · Waterville, ME · Accident · No injuries · Class 3 · Limited · Final report · Oct 14, 2020 · N499CZ · Substantial damage
  > A failure of the right main landing gear drag leg support fitting and angle bracket as a result of multiple areas of fatigue cracking.
- [NTSB CEN20CA220](https://openairdocs.org/ntsb/CEN20CA220.md): Vans RV8 · Sulfer, LA · Accident · Minor injuries · Class 4 · Data collection · Final report · Jun 8, 2020 · N44LA · Substantial damage
  > A loss of directional control as a result of a fractured landing gear attach bracket.
- [NTSB DCA20LA047](https://openairdocs.org/ntsb/DCA20LA047.md): Boeing 737-824 · Denver, CO · Accident · No injuries · Class 3 · Limited · Final report · Dec 23, 2019 · N87513 · Substantial damage
  > Maintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during its initial overhaul, which caused heat damage to the base metal and led to the fatigue crack that caused the pin to fail during the accident flight.…
- [NTSB ANC19LA047](https://openairdocs.org/ntsb/ANC19LA047.md): Piper PA-22-150 · Talkeetna, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 29, 2019 · N7236D · Substantial damage
  > A failure of the aft left weld-on fuselage landing gear fitting due to a poor weld joint.
- [NTSB ANC19LA039](https://openairdocs.org/ntsb/ANC19LA039.md): Cessna 402 · Boise, ID · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2019 · N7947Q · Substantial damage
  > A ductile overstress fracture failure of the right main landing gear bell crank assembly pivot bolt, which resulted in a collapse of the right main landing gear.
- [NTSB GAA19CA396](https://openairdocs.org/ntsb/GAA19CA396.md): Donald Bernard Higgs Pietenpol · Anacortes, WA · Accident · No injuries · Data collection · Final report · Jul 7, 2019 · N7169K · Substantial damage
  > The failure of the left main landing gear attachment point during the landing roll for reasons that could not be determined because the attachment was not examined, which resulted in a loss of directional control, collision with a drainage culvert, and a…
- [NTSB WPR19LA020](https://openairdocs.org/ntsb/WPR19LA020.md): Cessna 182 · Burns, OR · Accident · No injuries · Class 3 · Limited · Final report · Oct 27, 2018 · N3267S · Substantial damage
  > The failure of the left main landing gear due to fatigue cracking of a bolt that initiated at a corrosion pit, which formed in the absence of a required protective cadmium coating.
- [NTSB ERA18LA270](https://openairdocs.org/ntsb/ERA18LA270.md): Maule M7 · Floresville, TX · Accident · No injuries · Limited investigation · Final report · Sep 11, 2018 · N969AW · Substantial damage
  > The separation of the left inboard main landing gear (MLG) attachment bolt due to insufficient torque, which resulted in the collapse of the left MLG.
- [NTSB CEN18LA164](https://openairdocs.org/ntsb/CEN18LA164.md): Beech 1900C · Sioux Falls, SD · Accident · No injuries · Limited investigation · Final report · Apr 30, 2018 · N172GA · Substantial damage
  > Failure of the right main landing gear drag brace bolt for reasons that could not be determined based on the available information.
- [NTSB WPR18LA129](https://openairdocs.org/ntsb/WPR18LA129.md): Gulfstream AM Corp Comm Div 695A · Bishop, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 26, 2018 · N79PH · Substantial damage
  > The failure of the left main landing gear upper arm forging due to fatigue cracking and subsequent overstress, which resulted in the collapse of the landing gear during the landing roll.
- [NTSB ERA17LA204](https://openairdocs.org/ntsb/ERA17LA204.md): Piper PA 44-180 · Gaithersburg, MD · Accident · No injuries · Limited investigation · Final report · Jun 9, 2017 · N3020M · Substantial damage
  > The failure of the right main landing gear trunnion bracket due to an undetermined overstress event.
- [NTSB WPR16LA141](https://openairdocs.org/ntsb/WPR16LA141.md): Luscombe 8A · Minden, NV · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2016 · N2759K · Substantial damage
  > The failure of a main landing gear leg during takeoff due to corrosion, which resulted in a nose-over during the subsequent landing on a grassy area.
- [NTSB CEN16LA100](https://openairdocs.org/ntsb/CEN16LA100.md): Maule M 7-235C · Macon, MO · Accident · No injuries · Limited investigation · Final report · Jan 29, 2016 · N66E · Substantial damage
  > The failure of the right main landing gear assembly for reasons that could not be determined based on the available information.
- [NTSB ERA16LA073](https://openairdocs.org/ntsb/ERA16LA073.md): Cessna 310 · Kennesaw, GA · Accident · No injuries · Limited investigation · Final report · Dec 13, 2015 · N7675Q · Substantial damage
  > Inadequate inspection and rigging of the landing gear system, which resulted in the subsequent failure and collapse of the left main landing gear during landing.
- [NTSB GAA15CA226](https://openairdocs.org/ntsb/GAA15CA226.md): Stick & Rag Flying Club CB 1 · Kingman, KS · Accident · No injuries · Data collection · Final report · Aug 5, 2015 · N1030S · Substantial damage
  > The separation of the left wheel from the landing gear assembly during the landing touchdown, which precipitated a loss of directional control, runway excursion, and nose over.
- [NTSB ERA15LA240](https://openairdocs.org/ntsb/ERA15LA240.md): Weatherly 201B · Pell City, AL · Accident · No injuries · Class 3 · Limited · Final report · Jun 14, 2015 · N1272W · Substantial damage
  > The inadequate inspection of the airplane's landing gear, which resulted in a collapse of the right main landing gear due to cracking and corrosion.
- [NTSB ANC15LA023](https://openairdocs.org/ntsb/ANC15LA023.md): Cessna 185 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Apr 23, 2015 · N4554F · Substantial damage
  > The failure of the left main landing gear leg for reasons that could not be determined based on the available evidence.
- [NTSB ERA14LA170](https://openairdocs.org/ntsb/ERA14LA170.md): Cessna 421 · Charleston, SC · Accident · No injuries · Limited investigation · Final report · Mar 20, 2014 · N5929M · Substantial damage
  > Inadequate maintenance, which resulted in the collapse of the right main landing gear during landing.
- [NTSB ERA14LA108](https://openairdocs.org/ntsb/ERA14LA108.md): Enstrom F 28A · Memphis, TN · Accident · No injuries · Limited investigation · Final report · Jan 29, 2014 · N24RB · Substantial damage
  > A skid tube clamp weld failure due to high residual stress, which resulted in a skid collapse during landing. Contributing to the accident was the airplane manufacturer’s lack of adequate guidance for periodically inspecting the skid tube clamp.
- [NTSB ERA14CA016](https://openairdocs.org/ntsb/ERA14CA016.md): Denisar Richard A Lancair 320 · Lumberton, NJ · Accident · No injuries · Data collection · Final report · Oct 22, 2013 · N825D · Substantial damage
  > A hard landing by the pilot, which resulted in overload failure of landing gear components and surrounding structure.
- [NTSB CEN13LA531](https://openairdocs.org/ntsb/CEN13LA531.md): Cessna/Weaver 305 - E · Paris, TX · Accident · No injuries · Limited investigation · Final report · Aug 31, 2013 · N862 · Substantial damage
  > The failure of a landing gear O-ring, which prevented the pilot from being able to maintain directional control of the airplane during landing.
- [NTSB ERA13LA365](https://openairdocs.org/ntsb/ERA13LA365.md): Fetterman Lanny R Firestar II · Numidia, PA · Accident · No injuries · Limited investigation · Final report · Aug 16, 2013 · N598LF · Substantial damage
  > A fatigue failure of the right main landing gear wheel axle attachment bracket, which resulted in a nose-over during a precautionary landing.
- [NTSB ANC13LA063](https://openairdocs.org/ntsb/ANC13LA063.md): Curtiss Wright C-46F · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jul 3, 2013 · N1837M · Substantial damage
  > The failure of the right main landing gear side brace due to fatigue, which resulted in a collapse of the right main landing gear.
- [NTSB WPR13LA238](https://openairdocs.org/ntsb/WPR13LA238.md): Cessna 310R · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · May 8, 2013 · N6096C · Substantial damage
  > The failure of the right main landing gear link assembly, which resulted in the right main landing gear collapsing during landing.
- [NTSB ERA13LA197](https://openairdocs.org/ntsb/ERA13LA197.md): Piper PA-28-181 · Winston Salem, NC · Accident · No injuries · Limited investigation · Final report · Apr 7, 2013 · N3060B · Substantial damage
  > Fatigue failure of the right main landing gear attach bolts due to an unreported hard landing at an unknown time, and subsequent collapse of the landing gear.
- [NTSB CEN13CA187](https://openairdocs.org/ntsb/CEN13CA187.md): Champion 7GCAA · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Feb 2, 2013 · N9691S · Substantial damage
  > Fatigue cracking and failure of the left wheel strut mount resulting in collapse of the left main landing gear during taxi.
- [NTSB ERA13LA065](https://openairdocs.org/ntsb/ERA13LA065.md): Beech C90A · Roanoke, VA · Accident · No injuries · Limited investigation · Final report · Nov 20, 2012 · N702DK · Substantial damage
  > The failure of the right main landing gear bearing actuator support brackets. Contributing to the accident was the owner's and operator's failure to comply with the airplane manufacturer's mandatory service bulletin and the Federal Aviation Administration's…
- [NTSB ERA13IA036](https://openairdocs.org/ntsb/ERA13IA036.md): Cessna 560XL · Nantucket, MA · Incident · No injuries · Incident investigation · Final report · Oct 19, 2012 · N576QS · Minor damage
  > The incorrect installation of the left main gear aft trunnion pivot pin by maintenance personnel, which resulted in separation of the aft portion of the left main gear trunnion from the aft trunnion fitting and minor damage to the airplane.
- [NTSB CEN12LA494](https://openairdocs.org/ntsb/CEN12LA494.md): Lee Oscar D III RV7 · Columbus, IN · Accident · No injuries · Limited investigation · Final report · Jul 28, 2012 · N282DL · Substantial damage
  > The failure of the right main landing gear attach bolt for undetermined reasons because the bolt was not received for examination.
- [NTSB ERA12LA296](https://openairdocs.org/ntsb/ERA12LA296.md): Jones SA105 · New Smyrna Beach, FL · Accident · No injuries · Limited investigation · Final report · Apr 3, 2012 · N320WJ · Substantial damage
  > The failure of the nose landing gear wooden attachment/support structure, which resulted in collapse of the nose landing gear during taxi. Contributing to the accident was the improper design of the nose landing gear attachment structure.
- [NTSB CEN12LA218](https://openairdocs.org/ntsb/CEN12LA218.md): Cessna 182A · New Philadelphia, OH · Accident · No injuries · Limited investigation · Final report · Feb 18, 2012 · N20DE · Substantial damage
  > The inadequate maintenance of the wheel attachment bolts, which resulted in the left wheel separating from the landing gear during landing due to ductile overstress fractures.
- [NTSB ERA12LA069](https://openairdocs.org/ntsb/ERA12LA069.md): Grenier Raymond Vans Aircraft RV-8 · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Nov 9, 2011 · N220RG · Substantial damage
  > The right main landing gear collapse due to the overload fracture of the hardware for reasons that could not be determined during postaccident testing and examination.
- [NTSB CEN11CA661](https://openairdocs.org/ntsb/CEN11CA661.md): Luscombe 8A · Huntington, IN · Accident · No injuries · Data collection · Final report · Sep 10, 2011 · N71212 · Substantial damage
  > The failure of the right main landing gear strut due to internal corrosion.

Next page: https://openairdocs.org/ntsb-findings/01023211/cases.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01023211'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01023211/cases

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