# NTSB investigations: Aircraft maintenance event

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 10 · 484 cases

## Latest cases

- [NTSB ERA26LA009](https://openairdocs.org/ntsb/ERA26LA009.md): Cessna 182H · Smithfield, RI · Accident · No injuries · Class 4 · Limited · Final report · Oct 4, 2025 · N1998X · Substantial damage
  > Maintenance personnel’s improper rigging of the elevator trim system, which resulted in a hard landing. Contributing was the maintenance personnel and pilot’s failure to perform adequate post maintenance/preflight inspections.
- [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 CEN25LA295](https://openairdocs.org/ntsb/CEN25LA295.md): Cessna 182P · Bolivar, MO · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 28, 2025 · N8243M · Destroyed
  > On July 28, 2025, at about 1800 central daylight time, a Cessna 182P, N8243M, was destroyed when it was involved in an accident near Bolivar, Missouri. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91…
- [NTSB ERA25LA238](https://openairdocs.org/ntsb/ERA25LA238.md): Cessna 310 · Fayetteville, TN · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2025 · N5045Q · Substantial damage
  > The pilot’s decision to operate the airplane with known discrepancies.
- [NTSB ERA25LA204](https://openairdocs.org/ntsb/ERA25LA204.md): Eurocopter Deutschland MBB-BK 117 C-1 · Fort Washington, PA · Accident · Minor injuries · Class 3 · Limited · Final report · May 19, 2025 · N117NC · Substantial damage
  > Maintenance personnel’s failure to identify and replace damaged rivet nuts at the air conditioning louver assembly, which resulted in the separation of the louver assembly from the helicopter, the louver assembly’s impact with the tail rotor, and subsequent…
- [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 CEN25LA100](https://openairdocs.org/ntsb/CEN25LA100.md): Cessna 180 · Breckenridge, TX · Accident · No injuries · Class 4 · Limited · Final report · Feb 17, 2025 · N597JC · Destroyed
  > The mechanic’s failure to properly install the throttle cable hardware resulting in a separation of the cable and loss of engine throttle control.
- [NTSB ERA25LA122](https://openairdocs.org/ntsb/ERA25LA122.md): Allyn Kaste Rans S-19 (KIT) · Doylestown, PA · Accident · No injuries · Class 4 · Limited · Final report · Feb 10, 2025 · N258DK · Substantial damage
  > The pilot’s inadequate maintenance and preflight inspection.
- [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 ERA25LA062](https://openairdocs.org/ntsb/ERA25LA062.md): Alexander S Rolinski BOT Journey · Ocean Isle Beach, NC · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 27, 2024 · N814B · Substantial damage
  > Maintenance personnel’s failure to identify and remediate a buildup of oxides in one of the engine’s carburetors, which resulted in the seizure of the carburetor’s piston slide and a subsequent total loss of engine power during initial climb.
- [NTSB ERA25LA068](https://openairdocs.org/ntsb/ERA25LA068.md): Diamond Aircraft Ind DA 42 NG · Daytona Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 15, 2024 · N508PA · Substantial damage
  > The maintenance technician’s failure to follow the manufacturer’s recommended procedures during a wheel and tire change to ensure proper clearance of the tire to the wheel well resulting in the right main wheel becoming stuck in the well and subsequent…
- [NTSB ERA25LA030](https://openairdocs.org/ntsb/ERA25LA030.md): Zenith Zodiac 601 HDS · Altoona, PA · Accident · No injuries · Class 3 · Limited · Final report · Oct 17, 2024 · N511JG · Substantial damage
  > The total loss of engine power due to fuel starvation as a result of a deteriorated gascolator gasket. Contributing was the failure of the mechanic to replace the gasket during the most recent condition inspection.
- [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 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 WPR24LA268](https://openairdocs.org/ntsb/WPR24LA268.md): Piper PA-34-220T · Minden, NV · Accident · No injuries · Class 3 · Limited · Final report · Aug 5, 2024 · N4145B · Substantial damage
  > The pilot’s improper preflight inspection of the stabilator trim position, which resulted in a porpoised landing. Contributing to the accident was the maintenance personnel’s improper maintenance of the stabilator trim shaft.
- [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 CEN24LA286](https://openairdocs.org/ntsb/CEN24LA286.md): Piper PA46 · Radisson, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 28, 2024 · N4646G · Substantial damage
  > The non-certificated mechanic’s failure to properly tighten and torque the fuel system pressure test port cap, which resulted in a total loss of engine power, and a subsequent forced landing.
- [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 WPR24LA210](https://openairdocs.org/ntsb/WPR24LA210.md): Lancair LC42-550FG · Humboldt Bay, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 20, 2024 · N141PB · Substantial damage
  > Maintenance personnel’s incorrect installation of an engine rocker cover gasket, which resulted in oil exhaustion and subsequent loss of engine power during the initial climb.
- [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 WPR24LA198](https://openairdocs.org/ntsb/WPR24LA198.md): Warren B Cox COX Breezy · Albuquerque, NM · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 13, 2024 · N409WC · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for landing following a partial loss of engine power after takeoff, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was maintenance…
- [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 CEN24LA200](https://openairdocs.org/ntsb/CEN24LA200.md): Piper PA28 · Taylor, TX · Accident · Minor injuries · Class 3 · Limited · Final report · May 27, 2024 · N56466 · Substantial damage
  > A partial loss of engine power due to an incorrect carburetor air inlet hose, which led to a reduction in air flow to the engine.
- [NTSB CEN24LA184](https://openairdocs.org/ntsb/CEN24LA184.md): Piper PA-22 · Enderlin, ND · Accident · Minor injuries · Class 3 · Limited · Final report · May 13, 2024 · N669A · Substantial damage
  > The pilot’s failure to properly inspect and sump the fuel system before the flight and the maintenance personnel’s inadequate maintenance of the fuel system which resulted in fuel starvation and the subsequent loss of engine power due to the contamination of…
- [NTSB ERA24LA211](https://openairdocs.org/ntsb/ERA24LA211.md): Piper PA32 · Apopka, FL · Accident · No injuries · Class 3 · Limited · Final report · May 8, 2024 · N908DK · Substantial damage
  > A partial loss of engine power due to sticking exhaust valves. Contributing to the accident was maintenance personnel’s failure to use available engine data while troubleshooting a known engine issue and maintenance personnel’s failure to comply with…
- [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 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 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 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 ERA24FA110](https://openairdocs.org/ntsb/ERA24FA110.md): Bombardier CL-600-2B16 · Naples, FL · Accident · 2 fatal · Class 3 · Field · Final report · Feb 9, 2024 · N823KD · Destroyed
  > Corrosion of both engines’ variable geometry (VG) system components, which led to their operation in an off-schedule position and resulted in near-simultaneous sub-idle rotating compressor stalls on approach, subsequent loss of thrust in both engines, and an…
- [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 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 CEN24LA031](https://openairdocs.org/ntsb/CEN24LA031.md): Powrachute Pegasus · Manhattan, KS · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 21, 2023 · N52631 · Substantial damage
  > The pilot’s improper modification of the engine cooling system that resulted in an engine overheat and total loss of power. Contributing to the accident was the pilot’s decision to continue the flight after the engine overheat light illuminated instead of…
- [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 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 ENG23LA045](https://openairdocs.org/ntsb/ENG23LA045.md): Bell 407 · Linden, NJ · Incident · Class 3 · Limited · Final report · Sep 21, 2023 · N406TD · No damage
  > The fracture of the upper-left tail boom attachment bolt due to abnormal loading of the bolt caused by a gap and misalignment between the upper-left longeron and the tail boom. Contributing to this incident was the lack of a check to verify the absence of…
- [NTSB WPR23LA350](https://openairdocs.org/ntsb/WPR23LA350.md): Cessna U206C · Challis, ID · Accident · No injuries · Class 3 · Limited · Final report · Sep 20, 2023 · N3923G · Substantial damage
  > The failure of the left main landing gear spring assembly due to a fatigue crack. Contributing to the accident was the improper maintenance on the landing gear spring assembly which allowed corrosion to develop.
- [NTSB WPR23LA349](https://openairdocs.org/ntsb/WPR23LA349.md): Cessna 172N · Compton, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 20, 2023 · N733ZN · Substantial damage
  > The total loss of engine power on takeoff due to water-contaminated fuel. Contributing to the accident was the inadequately maintained fuel system, which resulted in water entering the fuel tanks through the filler caps.
- [NTSB CEN23LA363](https://openairdocs.org/ntsb/CEN23LA363.md): Beech C-99 · Lansing, MI · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 15, 2023 · N261SW · Substantial damage
  > The pilot’s failure to properly set the rudder trim position which resulted in a loss of directional control during takeoff. Contributing was the pilot’s inadequate checklist procedures prior to takeoff.
- [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 ERA23LA347](https://openairdocs.org/ntsb/ERA23LA347.md): Piper PA28 · Knoxville, TN · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2023 · N15417 · Substantial damage
  > An in-flight fire that resulted from an inadequate 100-hr inspection, which failed to detect and correct improper electrical cable routing in the engine compartment.
- [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 WPR23LA255](https://openairdocs.org/ntsb/WPR23LA255.md): Avia Stroitel AC-5M · North Plains, OR · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 5, 2023 · N40233 · Substantial damage
  > The pilot’s failure to maintain control of the motor glider, which resulted in an inflight overstress separation of the right wing during a high-speed, high-wing-load spiral dive recovery. Contributing to the accident was the inadequately manufactured wing…
- [NTSB ERA23LA289](https://openairdocs.org/ntsb/ERA23LA289.md): Hughes 269A · Anderson, SC · Accident · No injuries · Class 4 · Limited · Final report · Jun 27, 2023 · N90270 · Substantial damage
  > The mechanics’ improper torquing of the main rotor blade dampers, which resulted in a ground resonance event during landing.
- [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 ERA23FA273](https://openairdocs.org/ntsb/ERA23FA273.md): Mooney M20R · Southport, NC · Accident · 1 fatal · Class 3 · Field · Final report · Jun 25, 2023 · N13LV · Destroyed
  > The pilot’s improper decision to fly a known unairworthy airplane, which resulted in a total loss of engine power due to oil starvation.
- [NTSB CEN23LA255](https://openairdocs.org/ntsb/CEN23LA255.md): Piper PA-25-235 · Westhope, ND · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 22, 2023 · N7419Z · Substantial damage
  > The pilot’s failure to maintain aircraft control that resulted in an impact with terrain after takeoff.
- [NTSB CEN23LA246](https://openairdocs.org/ntsb/CEN23LA246.md): Piper PA46 · College Station, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 18, 2023 · N463HP · Substantial damage
  > The mechanic’s failure to properly secure the oil suction screen plug during recent maintenance, which resulted in an oil leak and subsequent loss of engine power due to oil starvation.

Next page: https://openairdocs.org/ntsb-events/040/sequence.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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '040' 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/040/sequence

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
