# NTSB investigations: Sys/Comp malf/fail (non-power)

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 4 of 20 · 996 cases

## Cases, newest first

- [NTSB DCA24WA060](https://openairdocs.org/ntsb/DCA24WA060.md): Boeing 737 · Sydney, Australia · Incident · Class 5 · Foreign · Dec 23, 2023 · VH-VOL · No damage
- [NTSB CEN24LA062](https://openairdocs.org/ntsb/CEN24LA062.md): Cessna 340A · New Orleans, LA · Accident · No injuries · Class 4 · Limited · Final report · Dec 12, 2023 · N7067W · Substantial damage
  > The improper maintenance of the main landing gear, which resulted in a collapse and overstress failure of the left main landing gear during landing.
- [NTSB CEN24LA060](https://openairdocs.org/ntsb/CEN24LA060.md): Piper PA-24-260 · Anthony, KS · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 12, 2023 · N8729P · Substantial damage
  > A failure of the airplane’s alternator, which resulted in a loss of electrical power, and the pilot’s failure to use the emergency gear extension procedure during the initial landing approach, which led to a gear-up landing.
- [NTSB ERA24LA056](https://openairdocs.org/ntsb/ERA24LA056.md): Raytheon 400A · Atlanta, GA · Accident · No injuries · Class 3 · Limited · Final report · Nov 30, 2023 · N800SD · Substantial damage
  > The collapse of the airplane’s left main landing gear during the landing roll for undetermined reasons.
- [NTSB DCA24WA033](https://openairdocs.org/ntsb/DCA24WA033.md): Boeing 737 · Glasgow, United Kingdom · Incident · Class 5 · Foreign · Nov 28, 2023 · G-JZHU · Minor damage
- [NTSB WPR24LA045](https://openairdocs.org/ntsb/WPR24LA045.md): Cessna 170B · Cameron Park, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 27, 2023 · N170HT · Substantial damage
  > A failure of the right brake master cylinder piston due to a faulty return spring, which resulted in a seized right main landing gear brake and a runway excursion
- [NTSB ERA24LA037](https://openairdocs.org/ntsb/ERA24LA037.md): Cessna 210 · Frederick, MD · Accident · No injuries · Class 4 · Limited · Final report · Nov 13, 2023 · N9515X · Substantial damage
  > A failure of a hydraulic filter, which preluded normal extension of the landing gear. Also causal was the pilot’s failure to confirm that he landing gear was extended before landing, which resulted in a gear up landing.
- [NTSB WPR24LA032](https://openairdocs.org/ntsb/WPR24LA032.md): Beech 23 · Santa Ynez, CA · Incident · Class 3 · Limited · Investigation open · Nov 12, 2023 · N2358Z
- [NTSB ERA24LA024](https://openairdocs.org/ntsb/ERA24LA024.md): Piper PA-12 · Rangeley, ME · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 27, 2023 · N3910M · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with a crosswind, after the right tailwheel spring separated.
- [NTSB GAA24WA125](https://openairdocs.org/ntsb/GAA24WA125.md): reims F406 · Farm Erindi, Namibia · Accident · No injuries · Class 5 · Foreign · Oct 24, 2023 · V5-WAI · Substantial damage
- [NTSB DCA24WA018](https://openairdocs.org/ntsb/DCA24WA018.md): Boeing 737-800 · Frankfurt am Main, Germany · Incident · No injuries · Class 5 · Foreign · Oct 18, 2023 · D-ABKM · No damage
- [NTSB CEN24LA018](https://openairdocs.org/ntsb/CEN24LA018.md): Cessna 210B · Pueblo, CO · Accident · No injuries · Class 3 · Limited · Final report · Oct 18, 2023 · N9597X · Substantial damage
  > The fatigue failure of the right main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position.
- [NTSB CEN24LA014](https://openairdocs.org/ntsb/CEN24LA014.md): Cirrus SR22 · Saginaw, MI · Accident · No injuries · Class 3 · Limited · Final report · Oct 6, 2023 · N969JB · Substantial damage
  > The failure of the right brake assembly due to excessive brake lining wear, which resulted in a thermally damaged piston O-ring, hydraulic fluid leak, and subsequent fire.
- [NTSB DCA24WA012](https://openairdocs.org/ntsb/DCA24WA012.md): Airbus A321 · Essex, United Kingdom · Accident · No injuries · Class 5 · Foreign · Oct 5, 2023 · G-OATW · Substantial damage
- [NTSB ERA24LA023](https://openairdocs.org/ntsb/ERA24LA023.md): Champion 7FC · Hawkinsville, GA · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2023 · N4878E · Substantial damage
  > The failure of the carburetor fuel line, which resulted in fuel starvation.
- [NTSB ERA23FA382](https://openairdocs.org/ntsb/ERA23FA382.md): Smith William S Smith Cozy Mark IV · Cullman, AL · Accident · 1 fatal · Class 3 · Field · Final report · Sep 29, 2023 · N95SF · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering at low altitude, which resulted in an aerodynamic stall and subsequent loss of control. Contributing to the accident was the pilot/owner’s improper installation of engine…
- [NTSB ERA23LA369](https://openairdocs.org/ntsb/ERA23LA369.md): Eurocopter Deutschland EC135T2 · Fargo, GA · Accident · No injuries · Class 3 · Limited · Final report · Sep 13, 2023 · N273AM · Substantial damage
  > The separation of the outer span of a tail rotor blade during flight as a result of localized intergranular corrosion due to a diminished protective coating at a critical location on the tail rotor blade surface that, combined with cyclic loading, resulted in…
- [NTSB DCA23WA449](https://openairdocs.org/ntsb/DCA23WA449.md): Boeing 737 · Lahore, Pakistan · Incident · No injuries · Class 5 · Foreign · Sep 6, 2023 · N · Minor damage
- [NTSB WPR23LA336](https://openairdocs.org/ntsb/WPR23LA336.md): Piper PA-18-135 · Compton, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 3, 2023 · N7199K · Substantial damage
  > An overstress fracture of the pilot’s seat, which resulted in the loss of control during takeoff and the pilot’s inadvertent movement of the fuel selector and subsequent partial loss of engine power.
- [NTSB CEN23LA390](https://openairdocs.org/ntsb/CEN23LA390.md): Zlin Aviation S R O Savage Norden · Cabot, AR · Accident · No injuries · Class 3 · Limited · Final report · Aug 30, 2023 · N7373 · Substantial damage
  > The airplane manufacturer’s routing of the fuel pump wiring next to the engine’s turbocharger and exhaust, which thermally damaged the wiring and resulted in a malfunction of the fuel delivery system and a total loss of engine power.
- [NTSB ERA23FA346](https://openairdocs.org/ntsb/ERA23FA346.md): Beech C-99 · Litchfield, ME · Accident · 2 fatal · Class 3 · Field · Final report · Aug 22, 2023 · N55RP · Destroyed
  > A horizontal stabilizer pitch trim anomaly that was not identified in the available evidence.
- [NTSB DCA23WA436](https://openairdocs.org/ntsb/DCA23WA436.md): Aerospatiale/Aeritalia ATR 42-300 · Freeport, Bahamas · Incident · Class 5 · Foreign · Aug 21, 2023 · N920FX · No damage
- [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 ENG23WA038](https://openairdocs.org/ntsb/ENG23WA038.md): Socata TBM700 · Kota Bharu, Malaysia · Incident · No injuries · Class 5 · Foreign · Aug 4, 2023 · N188SJ · Minor damage
- [NTSB CEN23LA344](https://openairdocs.org/ntsb/CEN23LA344.md): Beech A36 · Oberlin, KS · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2023 · N36900 · Substantial damage
  > The blockage of the left fuel tank vent, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident of the pilot’s failure to use his checklist to address the loss of engine power.
- [NTSB ANC23LA052](https://openairdocs.org/ntsb/ANC23LA052.md): Dehavilland DHC-2 · McCarthy, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 12, 2023 · N814DW · Substantial damage
  > A failure of the right brake caliper bolts during landing, which resulted in a runway excursion and subsequent impact with terrain.
- [NTSB WPR23LA270](https://openairdocs.org/ntsb/WPR23LA270.md): Sling Sling LSA · Palm Springs, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2023 · N294JY · Substantial damage
  > Failure of the landing gear strut during takeoff due to a preexisting cracks that were caused by a manufacturing anomaly during the composite fiber layup process.
- [NTSB DCA23WA472](https://openairdocs.org/ntsb/DCA23WA472.md): Airbus A330 · overflying English Channel, United Kingdom · Incident · No injuries · Class 5 · Foreign · Jul 11, 2023 · HB-JHL · No damage
- [NTSB DCA23FA339](https://openairdocs.org/ntsb/DCA23FA339.md): Boeing 717-200 · Charlotte, NC · Accident · No injuries · Class 3 · Field · Final report · Jun 28, 2023 · N955AT · Substantial damage
  > A fatigue fracture of the upper lock link that initiated along scratch features on the lower surface at the parting line of the forged aluminum component. Contributing to the accident was the overhaul facilities noncompliance with Service Bulletin 717-32-002.
- [NTSB GAA23WA201](https://openairdocs.org/ntsb/GAA23WA201.md): Learjet 45 · Estado La Guaira, Venezuela · Incident · No injuries · Class 5 · Foreign · Jun 27, 2023 · YV2716 · Minor damage
- [NTSB CEN23LA249](https://openairdocs.org/ntsb/CEN23LA249.md): Cessna 175 · Mesquite, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 21, 2023 · N9354B · Substantial damage
  > The pilot’s inability to maintain directional control during the landing roll due to corroded brake caliper pins.
- [NTSB DCA23WA334](https://openairdocs.org/ntsb/DCA23WA334.md): Boeing 737 · Shiraz, Iran · Incident · No injuries · Class 5 · Foreign · Jun 20, 2023 · EP-SIR · No damage
- [NTSB WPR23LA232](https://openairdocs.org/ntsb/WPR23LA232.md): Piper PA-28-140 · Rochester, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 17, 2023 · N3508K · Substantial damage
  > A broken fuel line fitting that resulted in a total loss of engine power due to fuel starvation.
- [NTSB ERA23LA281](https://openairdocs.org/ntsb/ERA23LA281.md): Piper PA-22-150 · Indian Trail, NC · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 16, 2023 · N3662Z · Substantial damage
  > A loss of control during the landing roll due to a brake failure for reasons that could not be determined based on available evidence.
- [NTSB WPR23LA216](https://openairdocs.org/ntsb/WPR23LA216.md): Cessna 172R · Santa Monica, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 5, 2023 · N819KS · Substantial damage
  > A failure of the nose wheel upper torque link bolt, which resulted in a loss of steering control. Contributing to the accident were maintenance personnel’s failure to inspect and replace the fractured bolt and the pilot’s oversight of the bolt during his…
- [NTSB CEN23LA230](https://openairdocs.org/ntsb/CEN23LA230.md): Champion 7KCAB · Rutherfordton, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N5068X · Substantial damage
  > The disengagement of the tailwheel locking mechanism during the landing roll which resulted in a loss of directional control during landing with a crosswind.
- [NTSB CEN23LA222](https://openairdocs.org/ntsb/CEN23LA222.md): Pitts S-2S · Garden Plain, KS · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N1PW · Substantial damage
  > The pilot’s inability to maintain directional control during landing roll due to a flat tire.
- [NTSB WPR23LA269](https://openairdocs.org/ntsb/WPR23LA269.md): CSP Leasing MTO Sport · Gardiner, MT · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 1, 2023 · N207AG · Substantial damage
  > Failure of the rudder/nosewheel steering system for reasons that could not be determined, which resulted in loss of yaw control and a subsequent rollover.
- [NTSB CEN23LA217](https://openairdocs.org/ntsb/CEN23LA217.md): Piper PA-28-181 · Pellston, MI · Accident · No injuries · Class 3 · Limited · Final report · Jun 1, 2023 · N4376H · Substantial damage
  > The failure of the left main landing gear strut and clevises due to fatigue cracks that initiated at multiple casting solidification voids.
- [NTSB CEN23LA211](https://openairdocs.org/ntsb/CEN23LA211.md): W10 Tailwind · Penrose, CO · Accident · No injuries · Class 3 · Limited · Final report · May 31, 2023 · N456TW · Substantial damage
  > The failure of the right rudder pedal stop due to an inadequate weld, which resulted in a loss of control on the ground.
- [NTSB WPR23LA213](https://openairdocs.org/ntsb/WPR23LA213.md): Cessna 210 · Tacoma, WA · Accident · No injuries · Class 3 · Limited · Final report · May 30, 2023 · N9574X · Substantial damage
  > A fatigue failure of the left main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position and maintaining directional control after landing.
- [NTSB WPR23LA203](https://openairdocs.org/ntsb/WPR23LA203.md): Piper PA-28-181 · West Jordan, UT · Accident · No injuries · Class 3 · Limited · Final report · May 29, 2023 · N456Y · Substantial damage
  > Loss of engine power due to fuel starvation as a result of the mechanic’s failure to properly secure the fuel system gascolator strainer bowl.
- [NTSB WPR23LA192](https://openairdocs.org/ntsb/WPR23LA192.md): Viking Air DHC-6-400 · Half Moon Bay, CA · Accident · 2 fatal · Class 3 · Limited · Final report · May 20, 2023 · N153QS · Substantial damage
  > The failure of the ferry fuel tank system to transfer fuel during a trans-Pacific flight for reasons that could not be determined, which resulted in fuel starvation and a subsequent ditching into the water.
- [NTSB WPR23LA186](https://openairdocs.org/ntsb/WPR23LA186.md): Aviat A-1C-180 Husky · Lakewood, WA · Accident · Serious injuries · Class 3 · Limited · Final report · May 9, 2023 · N416AG · Destroyed
  > An erroneous landing gear warning that led to the pilot’s decision to abort the landing, which resulted in a collision with trees during a go-around.
- [NTSB ERA23LA216](https://openairdocs.org/ntsb/ERA23LA216.md): Gilbert R. Ringer GP4 · Stratford, CT · Accident · No injuries · Class 4 · Limited · Final report · Apr 27, 2023 · C-GPEX · Substantial damage
  > A failure of the left main landing gear down locking mechanism, which resulted in a collapse of that landing gear and a subsequent runway excursion.
- [NTSB CEN23LA150](https://openairdocs.org/ntsb/CEN23LA150.md): Helicopteres Guimbal Cabri G2 · Cahokia, IL · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 9, 2023 · N372PA · Substantial damage
  > The lack of proper attachment of the cyclic control that resulted in a loss of control during a landing approach and impact with terrain. Contributing to the accident was the improper maintenance performed.
- [NTSB WPR23LA157](https://openairdocs.org/ntsb/WPR23LA157.md): Beech 95 · Bremerton, WA · Accident · No injuries · Class 3 · Limited · Final report · Apr 5, 2023 · N21RS · Substantial damage
  > Failure of the down limit and down indicator switch and the warning horn switch assemblies, which prevented the landing gear from extending and at the same time providing a false indication that the landing gear was extended.
- [NTSB WPR23LA130](https://openairdocs.org/ntsb/WPR23LA130.md): Aero Commander 100-180 · Gordonville, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 18, 2023 · N4064X · Substantial damage
  > A fatigue fracture of the nose landing gear scissor link, which resulted in a separation of the nose landing gear piston assembly.
- [NTSB CEN23LA130](https://openairdocs.org/ntsb/CEN23LA130.md): Robinson Helicopter R44 · De Kalb, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 11, 2023 · N4164T · Substantial damage
  > The pilot’s inability to maintain control of the helicopter due to his failure to maintain rotor speed. Contributing to the accident was the failure of the helicopter’s low rotor speed warning system.
- [NTSB ERA23FA137](https://openairdocs.org/ntsb/ERA23FA137.md): Piper PA-28-161 · Lindenhurst, NY · Accident · 1 fatal · Class 3 · Field · Final report · Mar 5, 2023 · N8149R · Destroyed
  > An in-flight fire due to a compromised oil pressure line fitting, which resulted in a collision with terrain during a subsequent emergency landing.

Next page: https://openairdocs.org/ntsb-events/330/sequence.md?page=5

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '330' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/sequence?page=4

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