# NTSB investigations: Fasteners

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 · 58 cases

## Latest cases

- [NTSB ERA26LA193](https://openairdocs.org/ntsb/ERA26LA193.md): Bell UH1 · Enterprise, AL · Accident · No injuries · Class 4 · Limited · Final report · Apr 4, 2026 · N75140 · Substantial damage
  > The in-flight separation of a turn lock fastener stud, which resulted in substantial damage to one tail rotor blade.
- [NTSB CEN26LA131](https://openairdocs.org/ntsb/CEN26LA131.md): Quad City Challenger · Van Burensburg, IL · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2026 · UNREG · Substantial damage
  > Propeller separation due to failure of the propeller attachment bolts.
- [NTSB ERA25FA185](https://openairdocs.org/ntsb/ERA25FA185.md): MX Aircraft Tech PTY MXS · Hampton, VA · Accident · 1 fatal · Class 3 · Field · Final report · Apr 24, 2025 · N530RH · Substantial damage
  > A counterweight plug that loosened during the accident flight, jammed the elevator, and resulted in loss of control during landing.
- [NTSB ERA24LA251](https://openairdocs.org/ntsb/ERA24LA251.md): William Loren Noggle JA30 Superstol · Tennille, GA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 8, 2024 · N719LN · Substantial damage
  > The loss of elevator control during flight due to the elevator control rod and its hardware disconnecting from its installation area, which resulted in an uncontrolled descent into trees and terrain. Contributing to the accident was the pilot’s inadequate…
- [NTSB CEN24FA212](https://openairdocs.org/ntsb/CEN24FA212.md): Beech V35A · Arvada, CO · Accident · 1 fatal · Class 3 · Field · Final report · Jun 7, 2024 · N150WR · Destroyed
  > A total loss of engine power due to oil starvation as a result of loose turbocharger oil line fittings.
- [NTSB ERA24LA185](https://openairdocs.org/ntsb/ERA24LA185.md): Bailey-Moyes Dragonfly · Groveland, FL · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 19, 2024 · UNREG · Substantial damage
  > The pilot’s improper installation and inspection of the right lower wing strut attachment bolt, which resulted in the inflight failure of the right wing.
- [NTSB ERA24LA109](https://openairdocs.org/ntsb/ERA24LA109.md): Piper PA23 · Louisville, KY · Accident · No injuries · Class 4 · Limited · Final report · Feb 1, 2024 · N1317P · Substantial damage
  > The failure of maintenance personnel to thoroughly inspect and repair the worn-out panel fasteners and fastener holes.
- [NTSB WPR24LA051](https://openairdocs.org/ntsb/WPR24LA051.md): Piper PA-28-180 · Mesa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Dec 5, 2023 · N9166J · Substantial damage
  > A failure of the engine cowling right side latch pin and fasteners, which resulted in the partial separation of the engine cowling during flight.
- [NTSB WPR24LA034](https://openairdocs.org/ntsb/WPR24LA034.md): Cessna 310 · Hayden, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 13, 2023 · N86H · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in a loss of control and subsequent stall during a precautionary landing. Contributing to the accident was the improper maintenance…
- [NTSB ERA23LA197](https://openairdocs.org/ntsb/ERA23LA197.md): Cessna 177RG · Crestview, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 14, 2023 · N7542V · Substantial damage
  > The total loss of engine power due to the loosening and separation of the No. 1 connecting rod cap nuts in flight, resulting in catastrophic internal engine damage. Contributing to the accident was the pilot/owner’s failure to comply with the engine…
- [NTSB ERA23LA180](https://openairdocs.org/ntsb/ERA23LA180.md): Cessna 421C · Leesburg, VA · Accident · No injuries · Class 4 · Limited · Final report · Apr 5, 2023 · N880JS · Substantial damage
  > Separation of the left man landing gear scissor hardware, which resulted in a loss of directional control and subsequent runway excursion during landing.
- [NTSB WPR23LA091](https://openairdocs.org/ntsb/WPR23LA091.md): Piper PA-28-180 · San Diego, CA · Accident · No injuries · Class 4 · Limited · Final report · Jan 15, 2023 · N9687J · Substantial damage
  > The flight instructor’s failure to maintain altitude while maneuvering to another runway after the engine cowling opened shortly after takeoff. Contributing to the accident was the failure of both the student pilot and flight instructor to conduct an adequate…
- [NTSB ERA22LA428](https://openairdocs.org/ntsb/ERA22LA428.md): Zenith CH 750 · Cincinnati, OH · Accident · No injuries · Class 3 · Limited · Final report · Sep 22, 2022 · N2992W · Substantial damage
  > The airplane builder’s installation of incorrect hardware in the control yoke assembly, which resulted in a loss of control during takeoff.
- [NTSB WPR22LA147](https://openairdocs.org/ntsb/WPR22LA147.md): Cessna 172N · Tuscon, AZ · Accident · No injuries · Class 4 · Limited · Final report · Apr 6, 2022 · N733EJ · Substantial damage
  > The loss of directional control during the landing roll, due to missing hardware which resulted in the separation of the nose landing gear torque links.
- [NTSB WPR22LA040](https://openairdocs.org/ntsb/WPR22LA040.md): Piper PA-28R-200 · Boulder City, NV · Accident · No injuries · Class 3 · Limited · Final report · Nov 14, 2021 · N5057S · Substantial damage
  > The installation of an improper right main landing gear door rod-end bolt, which resulted in the right main landing gear not extending during landing.
- [NTSB ANC21LA093](https://openairdocs.org/ntsb/ANC21LA093.md): Piper PA-22-150 · Chandalar Shelf, AK · Accident · No injuries · Class 4 · Limited · Final report · Sep 17, 2021 · N8061D · Substantial damage
  > A separation of the rudder cable from the rudder pedal due to the connecting bolt detaching for undetermined reasons, which resulted in a loss of directional control.
- [NTSB WPR21LA238](https://openairdocs.org/ntsb/WPR21LA238.md): Piper PA-25-235 · Twisp, WA · Accident · No injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N6917Z · Substantial damage
  > An in-flight separation of the control stick from the torque tube assembly, which resulted in a loss of directional control during the landing roll and subsequent on-ground collision.
- [NTSB ANC21LA022](https://openairdocs.org/ntsb/ANC21LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2021 · N1848R · Substantial damage
  > Installation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main landing gear ski yoke and collapse of the right main landing gear…
- [NTSB ERA21LA024](https://openairdocs.org/ntsb/ERA21LA024.md): Robinson R22 · Winder, GA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 18, 2020 · N566BC · Substantial damage
  > Maintenance personnel’s failure to properly secure the engine cooling fan attachment bolts, leading to vibration of the cooling fan, the overextension of the tension belt actuator, the failure of the drive system vee-belts, and the loss of power to the rotor…
- [NTSB CEN20LA292](https://openairdocs.org/ntsb/CEN20LA292.md): Beech A23-24 · Burns Flat, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2020 · N3412C · Substantial damage
  > The mechanic’s improper maintenance when he reinstalled the fuel servo during the last annual inspection, which resulted in a loss of engine power during cruise flight when the throttle control rod-end disconnected from the fuel servo throttle linkage.
- [NTSB WPR20LA130](https://openairdocs.org/ntsb/WPR20LA130.md): Bell UH 1H · Mesa, AZ · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 24, 2020 · N3276T · Substantial damage
  > An in-flight separation of the tail rotor gearbox from the airframe due to fatigue failure of the gearbox attachment studs, resulting in a loss of directional control and subsequent ground impact. Contributing to the accident were 1) the improper application…
- [NTSB ERA20CA135](https://openairdocs.org/ntsb/ERA20CA135.md): AugustaWestland AW119MKII · Philadelphia, PA · Accident · No injuries · Data collection · Final report · Mar 21, 2020 · N982SS · Substantial damage
  > The in-flight failure of the lower left side of the engine cowling due to the mechanic’s improper installation of the fasteners, which resulted in the cowling impacting all four main rotor blades.
- [NTSB CEN20LA082](https://openairdocs.org/ntsb/CEN20LA082.md): Cessna 560 · Aledo, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 12, 2020 · N654CE · Substantial damage
  > The in-flight separation of the upper and lower right engine cowlings for reasons that could not be determined based on available evidence.
- [NTSB ERA20LA044](https://openairdocs.org/ntsb/ERA20LA044.md): Beech E35 · Okeechobee, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 23, 2019 · N3315C · Destroyed
  > The separation of the throttle control cable from the carburetor throttle control lever resulting in the near total loss of engine power. Contributing to the separation of the throttle cable was the lack of proper securing hardware by unknown maintenance…
- [NTSB WPR20LA025](https://openairdocs.org/ntsb/WPR20LA025.md): North American SNJ-4 · Heber City, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 16, 2019 · N694US · Substantial damage
  > The pilot’s loss of directional control during landing as a result of the separated tailwheel-to-rudder link rod
- [NTSB CEN19LA146](https://openairdocs.org/ntsb/CEN19LA146.md): Sikorsky S76 · Morrilton, AR · Accident · No injuries · Class 3 · Limited · Final report · May 15, 2019 · N761AF · Substantial damage
  > The improper securing of the exhaust duct bolts, which resulted in the duct becoming unseated and substantial heat damage to the tail rotor drive shaft.
- [NTSB WPR19LA137](https://openairdocs.org/ntsb/WPR19LA137.md): Grumman G164 · Sutter, CA · Accident · No injuries · Class 3 · Limited · Final report · May 5, 2019 · N3630D · Substantial damage
  > A loss of engine power due to the in-flight separation of the fuel control unit interconnect rod for reasons that could not be determined due to lack of available evidence.
- [NTSB WPR19LA065](https://openairdocs.org/ntsb/WPR19LA065.md): Piper PA28 · Salt Lake City, UT · Accident · No injuries · Class 3 · Limited · Final report · Jan 15, 2019 · N1697J · Substantial damage
  > A partial loss of engine power due to the mechanic’s failure to properly secure the throttle lever locking nut and cotter pin.
- [NTSB WPR18LA259](https://openairdocs.org/ntsb/WPR18LA259.md): Cessna 172 · Roche Harbor, WA · Accident · No injuries · Class 3 · Limited · Final report · Sep 12, 2018 · N24ME · Substantial damage
  > The pilot’s failure to secure his seat position prior to takeoff, which resulted in a loss of airplane control and subsequent hard landing.
- [NTSB WPR18LA226](https://openairdocs.org/ntsb/WPR18LA226.md): Hughes 369 · Riverside, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 17, 2018 · N105JL · Substantial damage
  > The instructor’s delayed remedial action to an excessive descent rate during a simulated autorotation, which resulted in a hard landing.
- [NTSB CEN18FA258](https://openairdocs.org/ntsb/CEN18FA258.md): Bell 47G · Arlington, IN · Accident · 1 fatal · Field investigation · Final report · Jul 6, 2018 · N96195 · Substantial damage
  > The inflight separation of the upper transmission due to the thread failure of transmission housing attachment bolts, which were installed on the helicopter with thread damage from a prior installation.
- [NTSB CEN18LA195](https://openairdocs.org/ntsb/CEN18LA195.md): Cirrus Design SR20 · Katy, TX · Accident · Minor injuries · Class 3 · Limited · Final report · May 27, 2018 · N67Y · Substantial damage
  > The loss of airplane control on takeoff due to the absence of the attachment bolt for the left aileron actuation arm.
- [NTSB WPR18LA098](https://openairdocs.org/ntsb/WPR18LA098.md): Raytheon A36 · Enumclaw, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 4, 2018 · N207PC · Substantial damage
  > A total loss of engine power due to oil starvation as a result of a loose oil line B-nut.
- [NTSB WPR17IA189](https://openairdocs.org/ntsb/WPR17IA189.md): Cessna 560XL · San Jose, CA · Incident · No injuries · Class 3 · Incident · Final report · Aug 29, 2017 · N503UP · Minor damage
  > The mechanic’s incorrect installation of the right main landing gear (MLG) aft trunnion pivot pin, which resulted in the pin separating from the trunnion, the trunnion puncturing the right wing, and the right MLG collapsing.
- [NTSB WPR17FA128](https://openairdocs.org/ntsb/WPR17FA128.md): Prescot E. Wilkie RV-3 · Payette, ID · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2017 · N177TT · Destroyed
  > The in-flight failure of the left wing due to the owner's use of improper hardware and his improper assembly of the airplane, which reduced the strength of the left wing and resulted in its subsequent failure following a sharp pullup maneuver.
- [NTSB CEN17LA171](https://openairdocs.org/ntsb/CEN17LA171.md): John Goodman Air Camper · Oronogo, MO · Accident · Serious injuries · Limited investigation · Final report · Mar 21, 2017 · N23RT · Substantial damage
  > A detached throttle cable support block, which resulted in the pilot’s inability to control the throttle and the subsequent stall while maneuvering for an emergency landing.
- [NTSB CEN17LA057](https://openairdocs.org/ntsb/CEN17LA057.md): Stinson 108-3 · Ionia, MI · Accident · No injuries · Limited investigation · Final report · Dec 16, 2016 · N812C · Substantial damage
  > A failure of the aft support cable on the left main landing ski due to an inadequately formed nicopress sleeve, which allowed the ski to rotate into a vertical position shortly after liftoff, and its unavoidable separation during the subsequent landing.
- [NTSB CEN16LA313](https://openairdocs.org/ntsb/CEN16LA313.md): Liming Louis L HPL 1 High Wing Para · Mt. Orab, OH · Accident · No injuries · Limited investigation · Final report · Aug 4, 2016 · N9095U · Substantial damage
  > A partial loss of engine power due to a missing throttle cable fastener.
- [NTSB CEN16LA275](https://openairdocs.org/ntsb/CEN16LA275.md): Meyers 200 · Huron, SD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2016 · N229RS · Substantial damage
  > The partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined.
- [NTSB ERA16FA248](https://openairdocs.org/ntsb/ERA16FA248.md): Bell Helicopter Textron Canada 407 · Hickory, KY · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2016 · N427TV · Substantial damage
  > Company maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.
- [NTSB CEN16IA238](https://openairdocs.org/ntsb/CEN16IA238.md): Enstrom 280 · Zeeland, MI · Incident · No injuries · Incident investigation · Final report · Jun 27, 2016 · N518EG · Minor damage
  > The exhaust band clamp failure, which resulted in an engine fire due to hot exhaust gases entering the engine compartment.
- [NTSB WPR15LA162](https://openairdocs.org/ntsb/WPR15LA162.md): Earl Allen Miglet · Corning, CA · Accident · No injuries · Limited investigation · Final report · May 16, 2015 · N414US · Substantial damage
  > The partial loss of engine power during initial climb due to a loose set screw, which allowed the throttle cable rig within the connector to slip.
- [NTSB WPR15FA121](https://openairdocs.org/ntsb/WPR15FA121.md): Ryan Aeronautical ST3KR · Santa Monica, CA · Accident · Serious injuries · Field investigation · Final report · Mar 5, 2015 · N53178 · Substantial damage
  > A total loss of engine power during initial climb when the carburetor main metering jet became unseated, which led to an extremely rich fuel-to-air ratio. Contributing to the accident was the lack of adequate carburetor maintenance instructions. Contributing…
- [NTSB WPR14LA374](https://openairdocs.org/ntsb/WPR14LA374.md): Bell 206 · Tombstone, AZ · Accident · No injuries · Limited investigation · Final report · Sep 12, 2014 · N64AW · Substantial damage
  > A partial loss of engine power during cruise flight due to loose “B” nut fittings and a bent tube as a result of maintenance personnel’s inadequate inspection of the nuts during the most recent inspection.
- [NTSB ERA14FA075](https://openairdocs.org/ntsb/ERA14FA075.md): Beech A36TC · Chatlottesville, VA · Accident · 1 fatal · Field investigation · Final report · Dec 18, 2013 · N3705Z · Substantial damage
  > The pilot’s failure to position the fuel selector handle in a fuel tank detent, which resulted in a total loss of engine power due to fuel starvation. Contributing to the pilot’s fatal injuries was the separation of his shoulder harness due to overload in an…
- [NTSB CEN13LA232](https://openairdocs.org/ntsb/CEN13LA232.md): Cessna 172G · Reading, MI · Accident · No injuries · Limited investigation · Final report · Apr 20, 2013 · N3682L · Substantial damage
  > The partial loss of engine power due to the improper securing of the throttle linkage by maintenance personnel.
- [NTSB ERA13LA148](https://openairdocs.org/ntsb/ERA13LA148.md): Piper PA-32-300 · Sanford, NC · Accident · No injuries · Limited investigation · Final report · Feb 27, 2013 · N1953H · Substantial damage
  > The installation of an incorrect length of cotter pin on the throttle linkage clevis pin by maintenance personnel at an undetermined time, which resulted in the pin coming loose and the loss of throttle control.
- [NTSB WPR13LA085](https://openairdocs.org/ntsb/WPR13LA085.md): Jeremiah Jackson Vans RV-10 · Julian, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 5, 2013 · N262NJ · Substantial damage
  > A loss of engine power due to oil starvation as a result of a disconnected oil line. Contributing to the accident was an insufficiently tightened oil line fitting.
- [NTSB WPR12IA248](https://openairdocs.org/ntsb/WPR12IA248.md): Eurocopter AS 350 B2 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · May 22, 2012 · N105TV · Minor damage
  > Failure of maintenance personnel to ensure that the tail rotor pitch change link bolt was properly secured, which resulted in an in-flight separation of the bolt and subsequent vibration.
- [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.

Next page: https://openairdocs.org/ntsb-findings/01071430/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", '01071430'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01071430/cases

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