NTSB investigations

14 cases where NTSB found Unauthorized maint/repair.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 14 cases
20081
20121
20131
20152
20162
20181
20191
20201
20222
20252

Latest cases

Query with SQL
duckdb -csv -c "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\", '02062040'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ERA25LA295Accident · No injuriesClass 4 · LimitedFinal reportCessna 195 · Memphis, TNFailure of the left main landing gear due to the loss of the protective paint coating and a change in the local surface finish from impermissible grinding, which resulted in fatigue cracking.Aug 8, 2025 · N1950C · Substantial damageNTSB ERA25LA223Accident · No injuriesClass 4 · LimitedFinal reportPiper PA22 · Hebron, OHThe airplane owner and pilot’s intentional allowance of unapproved maintenance and maintenance personnel’s failure to adequately maintain or service the brake system, which resulted in a total loss of brake pressure.Jun 7, 2025 · N6804B · Substantial damageNTSB CEN22LA250Incident · No injuriesClass 3 · LimitedFinal reportBeech 58 · Evansville, INThe failure of the propeller blade due to high-cycle fatigue that originated from damage that occurred at an unknown time. Contributing to the accident was the failure to identify the damage before the accident flight.Jun 8, 2022 · N78KL · Minor damageNTSB WPR22LA090Accident · Minor injuriesClass 3 · LimitedFinal reportTextron TTX Inc. T240 · Ravendale, CAThe inadequate maintenance and inspection of the engine induction system, which resulted in the separation of the right induction tube from the turbocharger compressor outlet and the subsequent loss of engine power during departure.Jan 28, 2022 · N420WT · Substantial damageNTSB ERA20LA271Accident · 1 fatalClass 3 · LimitedFinal reportAmerican AA 5 · Dunnellon, FLA total loss of engine power due to fuel starvation as a result of improper installation and inspection of the airplane’s fuel system. Contributing to the accident was the pilot’s lack of certification and knowledge in aircraft maintenance.Aug 1, 2020 · N7192L · Substantial damageNTSB CEN19LA224Accident · No injuriesClass 3 · LimitedFinal reportPiper PA18 · Osceola, WIThe failure of the right horizontal stabilizer during takeoff, resulting in a loss of control and forced landing. Contributing to the accident was the installation of an unapproved stabilizer frame and failure of maintenance personnel to identify…Jul 14, 2019 · N6983B · Substantial damageNTSB ERA18FA138Accident · 1 fatalField investigationFinal reportPiper PA32 · West Milford, NJAn in-flight fire and total loss of engine power after takeoff due to a loose fuel line. Contributing to the accident was the installation of an unapproved fuel line by unknown personnel.May 2, 2018 · N4153R · DestroyedNTSB WPR16FA183Accident · Serious injuriesField investigationFinal reportCessna 182P · Gilbert, AZAn inadvertent explosion of pyrotechnics, which were contained in a box that had been installed on the airplane's left main landing gear assembly spring leg which resulted in shrapnel striking the airplane's left wing and breaching the left wing fuel tank,…Sep 18, 2016 · N20844 · DestroyedNTSB CEN16LA309Accident · No injuriesLimited investigationFinal reportCessna 172K · Neenah, WIA loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.Aug 2, 2016 · N46459 · Substantial damageNTSB ERA16LA066Accident · Serious injuriesLimited investigationFinal reportRaytheon A36 · Fayetteville, NCMaintenance personnel's application of an unapproved sealant to the engine case halves during engine overhaul, contrary to manufacturer's instructions, which resulted in lubrication restriction due to a bearing shift and the subsequent internal failure of the…Dec 12, 2015 · N3241N · Substantial damageNTSB WPR15LA141Accident · Minor injuriesLimited investigationFinal reportPiper PA 28R-200 · Santa Maria, CAThe engine failure due to oil starvation, which resulted from the installation of an unapproved oil quick drain valve that subsequently led to the inadvertent draining of the oil when the nose landing gear was retracted. Contributing to the accident was the…Apr 4, 2015 · N5469T · Substantial damageNTSB ERA14FA049Accident · 1 fatalField investigationFinal reportPiper PA-23-160 · Graniteville, SCThe pilot's improper maintenance of the airplane's fuel system, which resulted a loss of power in the left engine due to fuel starvation. Also causal was the pilot's failure to maintain minimum controllable airspeed following the loss of engine power, which…Nov 25, 2013 · N4016P · Substantial damageNTSB ERA13LA097Accident · Serious injuriesLimited investigationFinal reportPiper PA-28R-200 · Lock Haven, PAThe reinstallation of improper connecting rods at engine overhaul, which resulted in abnormal wear of the connecting rod bearings; while the bearings did not meet the manufacturer’s specifications, the use of the unapproved connecting rods more likely caused…Dec 23, 2012 · N2074T · Substantial damageNTSB DFW08LA223Accident · No injuriesLimited investigationFinal reportRockwell International S-2R · Uvalde, TXA total loss of engine power due to the improper use of unauthorized replacement parts in the engine and repeated operation of the engine in an over-temperature condition.Sep 1, 2008 · N8472V · Substantial damage