# NTSB investigations: Installation

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 8 · 371 cases

## Latest cases

- [NTSB ERA26LA151](https://openairdocs.org/ntsb/ERA26LA151.md): Piper PA-32-260 · Block Island, RI · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 25, 2026 · N7081H · Substantial damage
  > Maintenance personnel’s failure to ensure that the throttle cable was properly secured to the carburetor, which resulted an inflight separation of the throttle cable and the pilots’ inability to control the engine.
- [NTSB CEN26LA074](https://openairdocs.org/ntsb/CEN26LA074.md): Pitts S1S · Carbondale, IL · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 31, 2025 · N401MS · Substantial damage
  > A loss of engine power due to fuel starvation resulting from an uncommanded change to the fuel servo mixture position due to the improperly installed mixture cable.
- [NTSB CEN25LA402](https://openairdocs.org/ntsb/CEN25LA402.md): Textron 525C · Baton Rouge, LA · Accident · No injuries · Class 4 · Limited · Final report · Sep 25, 2025 · N361MB · Substantial damage
  > The improper installation of the trunnion pin, which resulted in a failure of the right main landing gear. Contributing to the accident was the failure of maintenance personnel to follow the aircraft manufacturer’s maintenance procedures.
- [NTSB CEN25LA401](https://openairdocs.org/ntsb/CEN25LA401.md): CubCrafters CCK-2000 · Thompsonville, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 7, 2025 · N40DT · Substantial damage
  > A total loss of engine power due to a lack of ignition resulting from a fractured alternator ring terminal and the builder’s incorrect installation of the wire connecting to the alternator. Contributing to the total loss of engine power was the failure of the…
- [NTSB ERA25FA230](https://openairdocs.org/ntsb/ERA25FA230.md): Mooney M20F · Beverly, MA · Accident · 2 fatal · Class 3 · Field · Final report · Jun 19, 2025 · N9573M · Substantial damage
  > The pilot’s failure to maintain control of the airplane while maneuvering to return to the airport which resulted in an aerodynamic stall. Contributing to the accident was the improperly installed No. 2 cylinder bottom spark plug by maintenance personnel,…
- [NTSB ERA25LA215](https://openairdocs.org/ntsb/ERA25LA215.md): Piper PA32-300 · Branford, CT · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 1, 2025 · N2242Z · Substantial damage
  > Maintenance personnel's improper installation and inspection of the crankshaft gear bolt during major overhaul, which resulted in the crankshaft gear disengaging from the accessory gears which led to a total loss of engine power.
- [NTSB CEN25LA168](https://openairdocs.org/ntsb/CEN25LA168.md): Cessna 172N · Longmont, CO · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2025 · N75775 · Substantial damage
  > The disconnected throttle control that resulted in a loss of engine power due to improper maintenance.
- [NTSB WPR25FA146](https://openairdocs.org/ntsb/WPR25FA146.md): Cessna 177RG · Grass Valley, CA · Accident · 1 fatal · Class 3 · Field · Final report · May 1, 2025 · N52156 · Substantial damage
  > An improperly tightened B-nut fitting at the fuel flow divider, which resulted in a fuel leak and loss of engine power due to fuel starvation, and the inadequate maintenance inspection, which failed to detect and correct the discrepancy.
- [NTSB ERA25LA123](https://openairdocs.org/ntsb/ERA25LA123.md): Cessna 172C · Argyle, NY · Accident · No injuries · Class 4 · Limited · Final report · Feb 20, 2025 · N1609Y · Substantial damage
  > The mechanic’s incorrect installation of the oil temperature gauge probe in the oil filter adapter and failure to test run the engine for oil leaks after the installation, which resulted in a total loss of oil and the pilot’s decision to perform a…
- [NTSB CEN25LA053](https://openairdocs.org/ntsb/CEN25LA053.md): Piper PA-28R-200 · Boscobel, WI · Accident · No injuries · Class 3 · Limited · Final report · Dec 2, 2024 · N41997 · Substantial damage
  > The ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…
- [NTSB CEN25LA029](https://openairdocs.org/ntsb/CEN25LA029.md): Cub Crafters Carbon CUB · Ogallala, NE · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 27, 2024 · N257ST · Destroyed
  > The improper installation of the elevator control cable hardware, which resulted in the separation of the elevator control cable and a loss of pitch control in flight.
- [NTSB CEN24LA378](https://openairdocs.org/ntsb/CEN24LA378.md): Piper PA32 · Caro, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 30, 2024 · N31407 · Substantial damage
  > A total loss of engine power due to maintenance personnel’s failure to properly tighten the fuel supply line B-nut at the fuel servo.
- [NTSB ANC24FA092](https://openairdocs.org/ntsb/ANC24FA092.md): Jon Bergstedt JP Flyer · Wasilla, AK · Accident · 1 fatal · Class 3 · Field · Final report · Sep 14, 2024 · N1202Y · Destroyed
  > The installation of an improperly sized fuel line that did not allow for adequate fuel flow to the engine, resulting in a partial loss of engine power and collision with trees.
- [NTSB ERA24LA357](https://openairdocs.org/ntsb/ERA24LA357.md): Cessna 172 · Elkwood, VA · Accident · No injuries · Class 4 · Limited · Final report · Aug 15, 2024 · N8400X · Substantial damage
  > The pilot’s failure to correctly reinstall the airplane’s left seat, resulting in the movement of the seat during the takeoff roll, and the subsequent loss of control and runway excursion.
- [NTSB CEN24LA308](https://openairdocs.org/ntsb/CEN24LA308.md): Cirrus Design SR22T · Tulsa, OK · Incident · No injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N825JC · Substantial damage
  > The mechanic’s improper installation of the alternator wiring connections, which resulted in electrical arcing and thermal damage to the airplane.
- [NTSB CEN24LA271](https://openairdocs.org/ntsb/CEN24LA271.md): Mcdonnell Douglas Helicopter 600N · Eagle Lake, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 16, 2024 · N609RP · Destroyed
  > The operator’s improper installation of the fuel system, which resulted in fuel starvation, a loss of engine power, and impact with terrain.
- [NTSB WPR24LA248](https://openairdocs.org/ntsb/WPR24LA248.md): Cessna 150M · Ritzville, WA · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2024 · N714PW · Substantial damage
  > Maintenance personnel’s improper installation of the No. 2 cylinder exhaust valve, which allowed the valve to drop into the cylinder and resulted in a total loss of engine power.
- [NTSB ERA24LA279](https://openairdocs.org/ntsb/ERA24LA279.md): Alexander S Rolinski Aventura II · DeLand, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 26, 2024 · N727TK · Substantial damage
  > Improper installation of the electric-driven fuel pump inlet hoses, which resulted in a hose failure and subsequent loss of engine power due to fuel starvation.
- [NTSB WPR24LA205](https://openairdocs.org/ntsb/WPR24LA205.md): Replica PA-12 Replica · Douglas, WY · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 22, 2024 · N406Z · Substantial damage
  > A loss of power due to fuel exhaustion as a result of the pilot’s failure to calibrate the fuel flow indicator.
- [NTSB ERA24LA271](https://openairdocs.org/ntsb/ERA24LA271.md): Cessna 172 · Hernando, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 21, 2024 · N734XT · Substantial damage
  > The improper installation of a cylinder rocker stud by maintenance personnel, which resulted in a partial loss of engine power and subsequent forced landing.
- [NTSB ERA24FA266](https://openairdocs.org/ntsb/ERA24FA266.md): Lockheed 12 · Jackson, GA · Accident · Serious injuries · Class 3 · Field · Final report · Jun 17, 2024 · N2072 · Substantial damage
  > Maintenance personnel’s failure to properly secure the right brake line, which resulted in a loss of right brake effectiveness during the landing roll and a subsequent runway excursion.
- [NTSB WPR24FA182](https://openairdocs.org/ntsb/WPR24FA182.md): Vans RV-12 · Auburn, WA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 6, 2024 · N412JN · Substantial damage
  > The pilot’s improper installation of the control stick pushrod assemblies, which resulted in separation of the left pushrod and a total loss of roll control during flight. Contributing to the accident was the failure to detect the installation error during…
- [NTSB WPR24LA161](https://openairdocs.org/ntsb/WPR24LA161.md): Aerospatiale SA315B · Hildale, UT · Accident · Minor injuries · Class 3 · Limited · Final report · May 27, 2024 · N57948 · Substantial damage
  > Maintenance personnel’s failure to properly secure the EGT thermocouples, which resulted in catastrophic overtemperature of the engine and a total loss of engine power.
- [NTSB WPR24LA159](https://openairdocs.org/ntsb/WPR24LA159.md): Nanchang China CJ-6A · Peoria, AZ · Accident · No injuries · Class 3 · Limited · Final report · May 21, 2024 · N4182C · Substantial damage
  > The partial loss of engine power during cruise flight due to the improper installation of the master connecting rod main bushing set screws, which backed off and allowed the main bushing to shift, resulting in scoring damage on the crankshaft that led to the…
- [NTSB WPR24LA146](https://openairdocs.org/ntsb/WPR24LA146.md): Robert Sterling 4P · Lake Havasu City, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · May 9, 2024 · N78GP · Substantial damage
  > A loss of engine power during initial climb due to fuel vapor lock. Contributing to the accident was the incorrect installation of the ancillary fuel supply system components.
- [NTSB WPR24LA135](https://openairdocs.org/ntsb/WPR24LA135.md): Bellanca 17-31ATC · El Cajon, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 29, 2024 · N8800V · Substantial damage
  > Maintenance personnel’s improper installation of an engine-driven vacuum pump, which resulted in oil starvation to the engine and a subsequent total loss of engine power. Contributing to the accident was the A&P IA’s lack of supervision.
- [NTSB ANC24FA029](https://openairdocs.org/ntsb/ANC24FA029.md): Douglas C54D · Fairbanks, AK · Accident · 2 fatal · Class 3 · Field · Final report · Apr 23, 2024 · N3054V · Destroyed
  > A loss of power of the No. 1 engine for reasons that could not be determined, and the incorrect installation of a B-nut fitting in the propeller feathering system, which allowed engine oil to spray onto the exhaust system when the propeller was feathered…
- [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 CEN24LA152](https://openairdocs.org/ntsb/CEN24LA152.md): Bellanca 17-30A · Galveston, TX · Accident · No injuries · Class 4 · Limited · Final report · Apr 5, 2024 · N9996V · Substantial damage
  > Maintenance personnel’s failure to properly secure the oil filter adapter when replacing the oil filter adapter gasket which resulted in the filter becoming loose, resulting in the loss of engine oil, and the subsequent total loss of engine power.
- [NTSB WPR24LA122](https://openairdocs.org/ntsb/WPR24LA122.md): Cessna 180A · Nordman, ID · Accident · No injuries · Class 3 · Limited · Final report · Apr 4, 2024 · N5281D · Substantial damage
  > Maintenance personnel's improper installation of the left main landing gear wheel assembly, which resulted in a loss of torque and subsequent separation of the wheel and axle assembly from the main landing gear leg during landing.
- [NTSB CEN24LA128](https://openairdocs.org/ntsb/CEN24LA128.md): Eurocopter Deutschland MBB-BK 117 C-2 · West Lafayette, IN · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2024 · N191LL · Substantial damage
  > The failure of maintenance personnel to properly install the tail rotor pitch change slider attachment hardware (T-bolt), which led to the disconnection of the pitch change slider, a loss of tail rotor control, and subsequent hard landing. Contributing to the…
- [NTSB ERA24LA122](https://openairdocs.org/ntsb/ERA24LA122.md): Bellanca 17-30A · Cape Coral, FL · Accident · No injuries · Class 3 · Limited · Final report · Feb 24, 2024 · N282SV · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of the pilot’s failure to properly secure a fuel supply line.
- [NTSB DCA24LA079](https://openairdocs.org/ntsb/DCA24LA079.md): Boeing 747-87UF · Miami, FL · Incident · No injuries · Class 3 · Limited · Final report · Jan 19, 2024 · N859GT · Minor damage
  > Maintenance personnel’s improper installation and inspection of the port M borescope plug, which resulted in an engine fire.
- [NTSB ERA24LA076](https://openairdocs.org/ntsb/ERA24LA076.md): Bell Helicopter Textron 206L-1 · Walland, TN · Accident · No injuries · Class 3 · Limited · Final report · Dec 28, 2023 · N571CJ · Substantial damage
  > The improper installation of the No. 8 bearing spanner nut, which resulted in the No. 8 bearing’s failure, and the subsequent total loss of engine power.
- [NTSB WPR24LA061](https://openairdocs.org/ntsb/WPR24LA061.md): Glasair SH2 · Prescott, AZ · Accident · No injuries · Class 3 · Limited · Final report · Dec 26, 2023 · N29TT · Substantial damage
  > Loss of directional control during landing due to an improperly constructed and maintained tailwheel locking assembly.
- [NTSB WPR24LA064](https://openairdocs.org/ntsb/WPR24LA064.md): Diamond Aircraft Ind DA 40 · Spanish Fork, UT · Accident · No injuries · Class 3 · Limited · Final report · Dec 21, 2023 · N453DS · Substantial damage
  > Maintenance personnel’s improper installation of the left magneto, which resulted in oil starvation to the engine and a subsequent total loss of engine power.
- [NTSB CEN24LA012](https://openairdocs.org/ntsb/CEN24LA012.md): Tvap 4 · Franksville, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2023 · N42VZ · Substantial damage
  > The improper installation of the supplemental ignition system, which resulted in a total loss of engine power.
- [NTSB CEN24LA004](https://openairdocs.org/ntsb/CEN24LA004.md): Robinson Helicopter R44 · Hochatown, OK · Accident · No injuries · Class 3 · Limited · Final report · Oct 1, 2023 · N379SH · Substantial damage
  > A total loss of engine power during a practice autorotation due to the improper engine idle setting and rigging of the carburetor heat control which resulted in a hard landing.
- [NTSB CEN23LA402](https://openairdocs.org/ntsb/CEN23LA402.md): Vans RV14 · Orchard, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 4, 2023 · N14NP · Substantial damage
  > The failure of an alternator belt and the builder/previous owner’s incorrect electrical wiring of the airplane’s other alternator, which resulted in a total loss of electrical and engine power.
- [NTSB CEN23FA359](https://openairdocs.org/ntsb/CEN23FA359.md): Vans RV14 · Virden, IL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 12, 2023 · N6161 · Substantial damage
  > The pilot/builder’s improper configuration of the canopy latch micro switch, which incorrectly signaled a closed canopy before flight that resulted in an inflight opening of the airplane’s canopy, an upset of the airplane, and a loss of control from which the…
- [NTSB WPR23LA283](https://openairdocs.org/ntsb/WPR23LA283.md): Beech C35 · Rock Springs, WY · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2023 · N620D · Substantial damage
  > Maintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.
- [NTSB WPR23FA275](https://openairdocs.org/ntsb/WPR23FA275.md): Cessna T310R · Santa Fe, NM · Accident · 1 fatal · Class 3 · Field · Final report · Jul 18, 2023 · N5251C · Substantial damage
  > A total loss of left engine power as a result of improper installation of the aft-facing crankshaft counterweight retaining rings. Also causal was the pilot’s failure to maintain adequate airspeed following the loss of left engine power, which resulted in the…
- [NTSB WPR23LA272](https://openairdocs.org/ntsb/WPR23LA272.md): Mellinger B L III/Briebleb R Glasair III · Pahrump, NV · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2023 · N196G · Substantial damage
  > A fuel leak due to damaged threads on a fuel line fitting, which resulted in an interruption of fuel flow and a total loss of engine power due to fuel starvation.
- [NTSB ERA23LA279](https://openairdocs.org/ntsb/ERA23LA279.md): Edmisten Robert Eugene SR Rans S-14 Airaile · Bonaire, GA · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 25, 2023 · N528RE · Substantial damage
  > The pilot’s failure to properly adjust the propeller’s pitch angle, which resulted in a loss of thrust and an inability to maintain altitude.
- [NTSB WPR23FA225](https://openairdocs.org/ntsb/WPR23FA225.md): Cessna R182 · McCall, ID · Accident · 1 fatal · Class 3 · Field · Final report · Jun 12, 2023 · N3138C · Substantial damage
  > Maintenance personnel's failure to properly torque and inspect the magneto hardware, which resulted in a partial loss of engine power.
- [NTSB CEN23LA231](https://openairdocs.org/ntsb/CEN23LA231.md): Cessna 207 · Harlingen, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 6, 2023 · N91157 · Substantial damage
  > The improper installation of the throttle control arm to the throttle control cable attachment end, which resulted in a failure of the control arm and a loss of engine power in flight.
- [NTSB ERA23LA253](https://openairdocs.org/ntsb/ERA23LA253.md): Beech V35A · Statesboro, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 1, 2023 · N8074R · Substantial damage
  > Maintenance personnel’s improper installation of the pitch servo bridle cable clamp, which led to binding in the elevator control system that restricted aft yoke movement during the landing approach.
- [NTSB WPR23LA177](https://openairdocs.org/ntsb/WPR23LA177.md): Cessna 210M · Pasco, WA · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2023 · N777CF · Substantial damage
  > Improper maintenance on the fuel outlet line to the fuel servo, which resulted in the line partially separating from the fuel outlet fitting and the subsequent fuel starvation and total loss of engine power.
- [NTSB CEN23LA165](https://openairdocs.org/ntsb/CEN23LA165.md): Pipistrel Lsa Sinus · Kingsford, MI · Accident · No injuries · Class 3 · Limited · Final report · Apr 13, 2023 · N413EK · Substantial damage
  > The failure of maintenance personnel to properly secure the left carburetor bowl cover, which resulted in an engine fire before takeoff.
- [NTSB WPR23LA149](https://openairdocs.org/ntsb/WPR23LA149.md): Stevens Kelly C RV-7 · Morgan, UT · Accident · No injuries · Class 3 · Limited · Final report · Apr 9, 2023 · N17NK · Substantial damage
  > The pilot/builder improperly torqued the propeller attachment bolts while reinstalling the propeller, which resulted in the fatigue failure of the bolts and the separation of the propeller assembly.

Next page: https://openairdocs.org/ntsb-findings/02062035/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", '02062035'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/02062035/cases

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