# NTSB investigations: Replacement

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 · 70 cases

## Latest cases

- [NTSB CEN25LA077](https://openairdocs.org/ntsb/CEN25LA077.md): Piper PA-28-181 · Addison, TX · Accident · No injuries · Class 3 · Limited · Final report · Jan 15, 2025 · N504AF · Substantial damage
  > A partial loss of engine power during takeoff due to the partial blockage of the fuel diaphragm metering stem and the No. 1 cylinder fuel injector nozzle. Contributing to the accident was maintenance that allowed the introduction of debris that resulted in…
- [NTSB CEN25FA056](https://openairdocs.org/ntsb/CEN25FA056.md): Zenith Zodiac CH601 · Columbia, IL · Accident · Serious injuries · Class 3 · Field · Final report · Dec 8, 2024 · N9853M · Destroyed
  > The pilot’s failure to secure the engine oil filter following maintenance, which resulted in oil starvation, a total loss of engine power, and impact with terrain.
- [NTSB CEN25LA018](https://openairdocs.org/ntsb/CEN25LA018.md): Piper PA-32R-301 · Van, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 17, 2024 · N81481 · Substantial damage
  > The mechanic’s improper maintenance of the engine’s air induction scat duct, which collapsed during the flight and resulted in a loss of engine power.
- [NTSB CEN25LA013](https://openairdocs.org/ntsb/CEN25LA013.md): Rotorway Exec · Plymouth, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 11, 2024 · N314AC · Substantial damage
  > A loss of control due to the failed forward tail rotor belt as a result of the owner’s failure to follow the helicopter manufacturer’s tail rotor belt replacement recommendations.
- [NTSB CEN24LA337](https://openairdocs.org/ntsb/CEN24LA337.md): Piper PA-28-140 · East Troy, WI · Accident · No injuries · Class 3 · Limited · Final report · Sep 2, 2024 · N32435 · Substantial damage
  > The pilot/mechanic’s improper torquing of the fuel hose fitting while replacing the fuel pump, which allowed air to enter the fuel system and resulted in a loss of engine power during initial climb. Contributing to the accident was the pilot/mechanic’s…
- [NTSB CEN24LA115](https://openairdocs.org/ntsb/CEN24LA115.md): Beech 400 · Bentonville, AR · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 14, 2024 · N95GK · Substantial damage
  > Improper rigging of the elevator cable over the upper guard pin, which resulted in a cable separation and loss of elevator control.
- [NTSB ENG23LA031](https://openairdocs.org/ntsb/ENG23LA031.md): Boeing 737-9 · Newark, NJ · Incident · No injuries · Class 3 · Limited · Final report · Jun 28, 2023 · N37516 · Minor damage
  > A No. 1 (left) engine fire due a fuel leak that originated from the fuel nozzle 17 b-nut connection that was not properly torqued in accordance with the aircraft maintenance manual procedure.
- [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 ERA23LA009](https://openairdocs.org/ntsb/ERA23LA009.md): Swensen Fisher Celebrity · Greensboro, NC · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 6, 2022 · N655WP · Substantial damage
  > The pilot/mechanic’s failure to remove excess sealant from the header fuel tank after recent maintenance, which resulted in fuel starvation to the engine and a loss of engine power. Contributing to the accident was the pilot’s inflight decision making…
- [NTSB ERA23LA002](https://openairdocs.org/ntsb/ERA23LA002.md): Aeronca 7AC · Murray, KY · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 2, 2022 · N3005E · Substantial damage
  > The incorrect (reverse) rigging of the elevator cables by maintenance personnel and their subsequent failure to verify that the rigging was correct during post-maintenance checks and the pilot's inadequate preflight check.
- [NTSB ERA22LA282](https://openairdocs.org/ntsb/ERA22LA282.md): Cessna 414 · Jasper, GA · Accident · No injuries · Class 3 · Limited · Final report · Jun 18, 2022 · N414HF · Substantial damage
  > The failure of the owner to comply with a service bulletin, which resulted in the failure of the left main landing gear torque tube due to fatigue cracking.
- [NTSB ERA22LA241](https://openairdocs.org/ntsb/ERA22LA241.md): Evektor-Aerotechnik Sportstar · Lancaster, OH · Accident · No injuries · Class 3 · Limited · Final report · May 21, 2022 · N503RK · Substantial damage
  > The improper installation and subsequent failure of the pushrod O-rings, which resulted in failure of the No. 4 connecting rod due to oil starvation.
- [NTSB ERA21LA359](https://openairdocs.org/ntsb/ERA21LA359.md): Cessna 172S · Venice, FL · Accident · No injuries · Class 4 · Limited · Final report · Sep 9, 2021 · N782JA · Substantial damage
  > Maintenance personnel’s failure to use the correct throttle linkage hardware when reinstalling the engine, resulting in a disconnection of the throttle during flight.
- [NTSB WPR21LA325](https://openairdocs.org/ntsb/WPR21LA325.md): Stout Garry V Europa - Trigear · Hanksville, UT · Accident · No injuries · Class 3 · Limited · Final report · Aug 16, 2021 · N133AC · Substantial damage
  > The pilot’s installation of a non-original equipment manufactured radiator cap, which resulted in the loss of coolant and the engine’s exceedance of the maximum admissible cylinder head temperature. Contributing to the accident was the lack of suitable…
- [NTSB ERA21LA246](https://openairdocs.org/ntsb/ERA21LA246.md): Honda HA-420 · Kennesaw, GA · Accident · No injuries · Class 3 · Limited · Final report · Jun 4, 2021 · N10XN · Substantial damage
  > The mechanic’s improper installation of the left main wheel assembly.
- [NTSB ERA21LA222](https://openairdocs.org/ntsb/ERA21LA222.md): Mooney M20K · Dawson, GA · Accident · Serious injuries · Class 3 · Limited · Final report · May 20, 2021 · N9514R · Substantial damage
  > Maintenance personnel’s failure to properly secure the No. 4 connecting rod bolt nut with a cotter pin, resulting in a total loss of engine power.
- [NTSB CEN21LA175](https://openairdocs.org/ntsb/CEN21LA175.md): Piper PA-28-140 · Augusta, KS · Accident · No injuries · Class 3 · Limited · Final report · Apr 1, 2021 · N7274F · Substantial damage
  > Inadequate maintenance at the time the carburetor was replaced, which resulted in the improperly installed throttle cable and a partial loss of engine power. Contributing to the accident was an inadequate annual inspection that failed to detect the improper…
- [NTSB ERA21LA062](https://openairdocs.org/ntsb/ERA21LA062.md): Ercoupe 415 · South Boston, VA · Accident · No injuries · Class 3 · Limited · Final report · Dec 6, 2020 · N2674H · Substantial damage
  > The improper installation of a fuel filter screen cover gasket, which resulted in its failure, fuel starvation, and a subsequent total loss of engine power during cruise flight. Contributing to the accident was the unapproved fuel sight gauge, which obscured…
- [NTSB CEN21LA034](https://openairdocs.org/ntsb/CEN21LA034.md): Cessna 182 · Lebanon, OH · Accident · No injuries · Class 3 · Limited · Final report · Oct 28, 2020 · N3537C · Substantial damage
  > Improper maintenance that resulted in a blocked crankcase breather port and a subsequent total loss of engine power.
- [NTSB CEN20LA148](https://openairdocs.org/ntsb/CEN20LA148.md): Beech 36 · Cincinnati, OH · Accident · No injuries · Class 3 · Limited · Final report · Apr 16, 2020 · N66FN · Substantial damage
  > A loose fuel inlet fitting on the fuel pump due to improper maintenance, which resulted in a total loss of engine power.
- [NTSB WPR20FA016](https://openairdocs.org/ntsb/WPR20FA016.md): Enstrom 280F · Jordan Valley, OR · Accident · 1 fatal · Class 3 · Field · Final report · Oct 25, 2019 · N280F · Substantial damage
  > A partial loss of engine power due to a worn engine air induction hose, and a subsequent uncontrolled descent into terrain. Contributing to the accident was the failure of maintenance personnel to adequately inspect the hose, and the pilot’s decision to fly…
- [NTSB ANC19LA048](https://openairdocs.org/ntsb/ANC19LA048.md): Piper PA-18 · Fairbanks, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 30, 2019 · N1124 · Substantial damage
  > The inappropriate application of paint underneath the engine cylinder hold-down nuts, which resulted in inadequate torque and the subsequent in-flight separation of the No. 3 cylinder, and resulted in a total loss of engine power.
- [NTSB ERA19LA131](https://openairdocs.org/ntsb/ERA19LA131.md): Cessna 182 · Brevard, NC · Accident · No injuries · Class 3 · Limited · Final report · Mar 13, 2019 · N8905X · Substantial damage
  > The mechanic's failure to notice that the left front seat left front roller housing disengaged from the seat rail during recent maintenance, and the pilot's failure to detect the disengaged roller housing during the preflight inspection, which resulted in the…
- [NTSB ERA19LA109](https://openairdocs.org/ntsb/ERA19LA109.md): Piper PA28 · Louisville, KY · Accident · No injuries · Class 3 · Limited · Final report · Feb 26, 2019 · N2184X · Substantial damage
  > The failure of the magnetos due to a known deficiency, which resulted in a partial loss of engine power. Contributing to the accident was maintenance personnel’s failure to comply with the applicable service bulletin.
- [NTSB CEN19LA059](https://openairdocs.org/ntsb/CEN19LA059.md): Cessna T210 · Flint, MI · Accident · No injuries · Limited investigation · Final report · Jan 6, 2019 · N1237M · Substantial damage
  > The failure of the nose landing gear actuator hydraulic hose, which resulted in the loss of hydraulic fluid and hydraulic system pressure and a subsequent gear-up landing.
- [NTSB ANC18LA006](https://openairdocs.org/ntsb/ANC18LA006.md): Piper PA 32R-300 · Dawsonville, GA · Accident · Serious injuries · Limited investigation · Final report · Oct 30, 2017 · N4213F · Substantial damage
  > The failure of the pilot, who was not a certified mechanic, to tighten the B-nut on a remotely mounted oil filter line, which resulted in oil exhaustion, a total loss of oil pressure, and a subsequent total loss of engine power.
- [NTSB ERA17LA329](https://openairdocs.org/ntsb/ERA17LA329.md): Cessna 402 · Nantucket, MA · Accident · Minor injuries · Limited investigation · Final report · Sep 13, 2017 · N836GW · Substantial damage
  > The separation of the pushrod from the elevator trim tab actuator, which rendered controlled flight impossible. Contributing to the separation of the pushrod was the failure of maintenance personnel to properly secure it to the elevator trim tab actuator.
- [NTSB ERA17LA307](https://openairdocs.org/ntsb/ERA17LA307.md): Cessna U206 · Harpswell, ME · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 1, 2017 · N4615X · Substantial damage
  > A total loss of engine power due to maintenance personnel's failure to apply proper torque to the cylinder flange nuts and through bolts, which resulted in shifting of the Nos. 1, 2, and 3 main bearings, loss of lubrication, and failure of the crankshaft.
- [NTSB ERA17LA275](https://openairdocs.org/ntsb/ERA17LA275.md): Piper J3C · Salisbury, CT · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2017 · N98550 · Substantial damage
  > An improper replacement of the crankshaft by maintenance personnel, which resulted in a failure of the crankshaft gear and total loss of engine power.
- [NTSB WPR17LA144](https://openairdocs.org/ntsb/WPR17LA144.md): Cessna U206F · Page, AZ · Accident · No injuries · Limited investigation · Final report · Jun 23, 2017 · N71001 · Substantial damage
  > The failure of the throttle control cable due to fatigue and maintenance personnel’s failure to replace the cable at the last engine overhaul, which resulted in the pilots’ inability to control engine power and led to a precautionary landing during which the…
- [NTSB WPR17LA102](https://openairdocs.org/ntsb/WPR17LA102.md): Piper PA 18A · Coeur D'Alene, ID · Accident · Minor injuries · Limited investigation · Final report · May 8, 2017 · N245KW · Substantial damage
  > The loss of yaw control due to an inadequately compressed rudder swage, which resulted from inadequate maintenance and led to the separation of the forward right rudder cable.
- [NTSB WPR17LA054](https://openairdocs.org/ntsb/WPR17LA054.md): Johnson Harmon Rocket · Corona, CA · Accident · 1 fatal · Limited investigation · Final report · Jan 17, 2017 · N275JS · Substantial damage
  > A total loss of engine power during takeoff due to fuel starvation as a result of a failure of internal components of the fuel servo.
- [NTSB ANC17LA007](https://openairdocs.org/ntsb/ANC17LA007.md): Piper PA-18 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Nov 22, 2016 · N83641 · Substantial damage
  > The mechanic's failure to install a whistle slot in the engine breather tube, which resulted in a frozen tube, displacement of the crankshaft oil seal, a loss of oil, and smoke in the cockpit, which led to a forced landing.
- [NTSB ERA16FA176](https://openairdocs.org/ntsb/ERA16FA176.md): Beech V35 · Syosset, NY · Accident · 3 fatal · Field investigation · Final report · May 3, 2016 · N440H · Destroyed
  > The pilot's loss of airplane control while operating in instrument meteorological conditions with only a partial instrument panel due to a failure of the airplane's vacuum pump. Contributing to the accident were the pilot's spatial disorientation and the…
- [NTSB ERA16LA015](https://openairdocs.org/ntsb/ERA16LA015.md): Bell 206L 3 · Dickinson, AL · Accident · No injuries · Limited investigation · Final report · Oct 15, 2015 · N206CJ · Substantial damage
  > The improper installation by company maintenance personnel of the securing hardware of a tail rotor driveshaft section, which resulted in that section of tail rotor driveshaft disconnecting and a complete loss of tail rotor thrust.
- [NTSB ERA15LA263](https://openairdocs.org/ntsb/ERA15LA263.md): Cessna 210 5A(205A) · Stafford Twp, NJ · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 2015 · N315EC · Substantial damage
  > The total loss of engine power due to the failure of the crankshaft, which resulted from a mechanic's failure to properly torque the engine cylinder through bolts.
- [NTSB CEN15LA270](https://openairdocs.org/ntsb/CEN15LA270.md): Piper PA28-200 · Jonesboro, AR · Accident · No injuries · Limited investigation · Final report · Jun 10, 2015 · N872CS · Substantial damage
  > Maintenance personnel's improper engine oil drain valve installation, which led to engine oil exhaustion and the subsequent loss of engine power after takeoff at an altitude too low for the pilot to execute a forced landing in a suitable area.
- [NTSB CEN15LA263](https://openairdocs.org/ntsb/CEN15LA263.md): Belcher CH601XLB · Alpine, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2015 · N274AJ · Substantial damage
  > The pilot/builder's failure to properly adjust the fuel flow, which resulted in reduced flow to the engine and a subsequent total loss of engine power.
- [NTSB WPR15FA051](https://openairdocs.org/ntsb/WPR15FA051.md): Robinson Helicopter R44 · Bountiful, UT · Accident · 2 fatal · Field investigation · Final report · Dec 2, 2014 · N3234U · Substantial damage
  > The pilot/mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and a subsequent loss of control.
- [NTSB ANC14LA085](https://openairdocs.org/ntsb/ANC14LA085.md): Cessna TU206 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Sep 22, 2014 · N206J · Substantial damage
  > The application of insufficient torque to the engine cylinder through bolts during the replacement of the No. 1 cylinder, which resulted in the displacement of the No. 2 bearing, oil starvation, and a catastrophic engine failure.
- [NTSB CEN14LA331](https://openairdocs.org/ntsb/CEN14LA331.md): Cessna A188 · Arlington, TX · Accident · No injuries · Limited investigation · Final report · Jun 27, 2014 · N8157V · Substantial damage
  > The total loss of engine power due to a loose oil filter adapter, which resulted in oil starvation. Contributing to the accident was maintenance personnel’s failure to comply with a Federal Aviation Administration airworthiness directive.
- [NTSB WPR14LA240](https://openairdocs.org/ntsb/WPR14LA240.md): Cessna T207A · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · May 5, 2014 · N323JC · Substantial damage
  > Maintenance personnel’s application of insufficient torque to the engine cylinder through bolts during replacement of the No. 1 cylinder, which resulted in the displacement of the No. 2 main bearing, the bearing shifting, and a catastrophic engine failure.
- [NTSB ERA14LA193](https://openairdocs.org/ntsb/ERA14LA193.md): Cessna U206G · Louisa, VA · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 2014 · N156SA · Substantial damage
  > The pilot's decision to continue operation of the airplane with known mechanical issues (fluctuating oil pressure and metal in the oil filter), which was the result of undertorqued cylinder through bolts. Contributing to the accident was the mechanic's…
- [NTSB ERA14LA179](https://openairdocs.org/ntsb/ERA14LA179.md): Cessna T210L · Clayton, AL · Accident · Minor injuries · Limited investigation · Final report · Apr 3, 2014 · N1631X · Substantial damage
  > Maintenance personnel’s failure to properly torque the engine case through bolts, which resulted in the fatigue fracture of the crankshaft and subsequent total loss of engine power.
- [NTSB ERA14LA015](https://openairdocs.org/ntsb/ERA14LA015.md): Piper PA-22-135 · Selinsgrove, PA · Accident · Serious injuries · Limited investigation · Final report · Oct 4, 2013 · N170JH · Substantial damage
  > The incorrect (reverse) rigging of the elevator cables by maintenance personnel and their subsequent failure to verify that the rigging was correct during postmaintenance checks and the pilot's inadequate preflight check.
- [NTSB ERA13CA375](https://openairdocs.org/ntsb/ERA13CA375.md): Mark C Pauls RV-7A · Cortland, NY · Accident · Minor injuries · Data collection · Final report · Aug 25, 2013 · N411AK · Substantial damage
  > A partial loss of engine power during go-around due to incorrect maintenance of the fuel system by the pilot/builder.
- [NTSB ANC13LA085](https://openairdocs.org/ntsb/ANC13LA085.md): Cessna U206F · Tokotna, AK · Accident · No injuries · Limited investigation · Final report · Aug 24, 2013 · N35952 · Substantial damage
  > A total loss of engine power due to the failure of the crankshaft, which resulted from a mechanic’s application of insufficient torque on the cylinder through bolts.
- [NTSB WPR13LA302](https://openairdocs.org/ntsb/WPR13LA302.md): S.N.I.A.S. AS-350B Ecureuil · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Jul 1, 2013 · N989WC · Substantial damage
  > The loss of engine power during cruise flight due to the fatigue failure of a pneumatic fuel controller pipe. Also causal was maintenance personnel’s failure to adequately maintain the pipe and replace it with a thicker type.
- [NTSB WPR13FA284](https://openairdocs.org/ntsb/WPR13FA284.md): Beech A45 · Boulder City, NV · Accident · 2 fatal · Field investigation · Final report · Jun 23, 2013 · N434M · Substantial damage
  > The pilot/mechanic's loss of control during an emergency descent following a loss of engine power while in cruise flight. Contributing to the accident was the pilot/mechanic's incorrect assembly of the No. 6 cylinder at the last cylinder change, which…
- [NTSB ERA13LA285](https://openairdocs.org/ntsb/ERA13LA285.md): Beech A23 · Oxford, NC · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 2013 · N3542R · Substantial damage
  > The failure to comply with an airworthiness directive by maintenance personnel and incorrect reinstallation of the fuel selector handle by unknown personnel, which resulted in fuel starvation.

Next page: https://openairdocs.org/ntsb-findings/02062020/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", '02062020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/02062020/cases

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