NTSB investigations

28 cases where NTSB found Oversight of maintenance.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 28 cases
20081
20091
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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\", '04032020'))
  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 ENG23LA031Incident · No injuriesClass 3 · LimitedFinal reportBoeing 737-9 · Newark, NJA 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.Jun 28, 2023 · N37516 · Minor damageNTSB WPR23LA017Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 177RG · Mesa, AZThe failure of maintenance personnel to properly secure the fuel supply line to the fuel flow divider, which resulted in a fuel leak, fuel exhaustion, and a total loss of engine power.Oct 18, 2022 · N747ML · Substantial damageNTSB CEN22LA228Accident · Minor injuriesClass 3 · LimitedFinal reportAir Tractor AT-602 · Allport, ARA partial loss of engine power due to fuel contamination from foreign object debris. Contributing to the accident was the operator’s failure to follow the manufacturer’s required airframe fuel filter inspection interval.Jun 1, 2022 · N5007R · Substantial damageNTSB ERA22LA217Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Toms River, NJLoss of engine power due to the throttle linkage becoming disconnected in flight due to improper maintenance.May 1, 2022 · N737LY · Substantial damageNTSB ANC22FA018Accident · 4 fatalClass 3 · FieldFinal reportSikorsky S-61N · Kekaha, HIThe improper installation of the fore/aft primary servo by maintenance personnel, which resulted in the attaching hardware backing out and which subsequently rendered the helicopter uncontrollable. Contributing to the accident was the company’s quality…Feb 22, 2022 · N615CK · DestroyedNTSB WPR19MA177Accident · 11 fatalClass 2 · MajorFinal reportBeech 65-A90 · Mokuleia, HIThe pilot’s aggressive takeoff maneuver, which resulted in an accelerated stall and subsequent loss of control at an altitude that was too low for recovery. Contributing to the accident were (1) the operation of the airplane near its aft center of gravity…Jun 22, 2019 · N256TA · DestroyedNTSB WPR19LA010Accident · Serious injuriesLimited investigationFinal reportPiper PA46 · Hurricane, UTThe mechanic’s failure to properly align the engine exhaust crossover pipe during replacement, and his supervisor’s failure to properly inspect the installation, which resulted in an in-flight fire and the loss of engine power.Oct 21, 2018 · N413LL · Substantial damageNTSB DCA18IA092Incident · No injuriesIncident investigationFinal reportBoeing 777 222 · Honolulu, HIthe fracture of a fan blade due to P&W's continued classification of the TAI inspection process as a new and emerging technology that permitted them to continue accomplishing the inspection without having to develop a formal, defined initial and recurrent…Feb 13, 2018 · N773UA · Minor damageNTSB WPR17LA180Accident · No injuriesLimited investigationFinal reportLockheed P2V 5F · Pocatello, IDMaintenance personnel's failure to secure hardware, which resulted in an uncommanded upward deflection of the left elevator and aft movement of the control yoke and inhibited the flight crew from adjusting the airplane's pitch attitude in flight. Contributing…Aug 6, 2017 · N410NA · Substantial damageNTSB WPR17LA078Accident · No injuriesLimited investigationFinal reportSwearingen SA226 · Boise, IDCompany maintenance personnel's failure to remove a screwdriver that was left lodged in the windshield wiper area of the forward fuselage during maintenance and subsequently became dislodged on takeoff/initial climb and collided with a left propeller blade.Mar 20, 2017 · N158WA · Substantial damageNTSB WPR17IA007Incident · No injuriesIncident investigationFinal reportShort Bros SD3 60 Sherpa · Missoula, MTThe failure of the nose landing gear down-lock piston to engage due to paint accumulation, which resulted in a nose landing gear collapse during landing. Also causal was the failure of the facility that performed the painting to comply with manufacturer…Oct 13, 2016 · N148Z · Minor damageNTSB ERA16LA209Accident · 1 fatalLimited investigationFinal reportWSK PZL Mielec M 18A · Brunswick, NCThe failure of the right wing due to a fatigue fracture of the right outboard wing forward spar lower fitting. Contributing to the accident was the routine operation of the airplane over its certificated maximum gross weight and the operator's improper or…Jun 10, 2016 · N2283M · DestroyedNTSB WPR16FA072Accident · 1 fatalField investigationFinal reportBell 206B · Honolulu, HIThe in-flight failure of the engine-to-transmission drive shaft due to improper maintenance, which resulted in low main rotor rpm and a subsequent hard landing to water.Feb 18, 2016 · N80918 · Substantial damageNTSB CEN15LA399Accident · 1 fatalLimited investigationFinal reportWeatherly 620B · Hancock, WIThe in-flight failure of the left wing lower forward attach point under normal loading conditions due to corrosion and fatigue cracking in the center section hinge brackets. Contributing to the accident was the operator's inadequate maintenance and overweight…Aug 26, 2015 · N2005C · DestroyedNTSB WPR15FA158Accident · 2 fatalField investigationFinal reportPiper PA 46 350P · Spokane, WAThe mechanic's incorrect installation of two aileron cables and the subsequent inadequate functional checks of the aileron system before flight by both the mechanic and the pilot, which prevented proper roll control from the cockpit, resulting in the pilot's…May 7, 2015 · N962DA · DestroyedNTSB ANC15LA015Accident · No injuriesLimited investigationFinal reportAirbus AS350 B2 · Anchorage, AKThe failure of the ball bearing within the pitch change spider assembly due to its operation with no grease within the bearing, which resulted in the subsequent fracture of the spider assembly and a loss of tail rotor control authority. Also causal to the…Mar 13, 2015 · N814EH · Substantial damageNTSB ERA15FA128Accident · 1 fatalField investigationFinal reportPiper PA28 · Greensboro, NCA total loss of engine power after takeoff due to fuel starvation as a result of excessive wear of the fuel selector valve. Also causal was the owner/operator and maintenance personnel's inadequate maintenance, and inadequate postmaintenance inspection.Feb 11, 2015 · N5985U · Substantial damageNTSB ANC14LA038Accident · No injuriesLimited investigationFinal reportAeronca 15AC · Talkeetna, AKMaintenance personnel’s failure to perform required fuel system tests to ensure that the airplane met its original type certification basis after modifying the fuel system and the Federal Aviation Administration’s improper approval of the fuel tank…Jun 6, 2014 · N1301H · Substantial damageNTSB WPR13FA294Accident · 1 fatalField investigationFinal reportCessna 172 · Birdseye, UT***This report was modified on August 18, 2015. Please see the docket for this accident to view the original report.*** The operator's improper installation of a supplemental electrical power supply, which caused a short circuit due to inadequate vibration…Jun 27, 2013 · N4459R · Substantial damageNTSB ERA13LA188Accident · No injuriesLimited investigationFinal reportCessna 402C · Fort Lauderdale, FLThe disconnection of the nose landing gear actuator, which resulted in the subsequent collapse of the nose landing gear. Contributing to the accident was the repair station’s inadequate maintenance, postmaintenance inspection process, and oversight of the…Apr 1, 2013 · VQ-TIN · Substantial damageNTSB ERA13LA116Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Ellington, CTThe separation of the collective push-pull tube and jackshaft assembly, which resulted in the total loss of helicopter control and collision with terrain. Contributing to the accident was the inadequate supervision of maintenance personnel by the operator…Jan 17, 2013 · N26NE · Substantial damageNTSB CEN12LA235Accident · No injuriesLimited investigationFinal reportEurocopter SA315B · Alva, OKFailure of the current and previous operators to comply with the manufacturer's maintenance procedures for operation in sandy environments, which resulted in turbine case erosion and the subsequent uncontained engine failure.Mar 30, 2012 · N929JV · Substantial damageNTSB CEN11LA491Accident · No injuriesLimited investigationFinal reportBeech C35 · Medina, OHThe loss of engine power due to fuel starvation due to an age-related failure of the engine-driven fuel pump. Also causal was the failure of the maintenance facility to overhaul the fuel pump and the failure of the operator to ensure that the pump was…Jul 20, 2011 · N1883D · Substantial damageNTSB WPR10FA440Accident · 3 fatalField investigationFinal reportHiller UH 12E · Kamiah, IDIn-flight impact of a passenger's metal clipboard with the helicopter’s tail rotor, which resulted in destruction of the tail rotor and subsequent loss of control of the helicopter. The original location of the clipboard and how it became free could not be…Aug 31, 2010 · N67264 · Substantial damageNTSB WPR10FA371Accident · 3 fatalField investigationFinal reportAmerican Eurocopter AS 350 B3 · Tucson, AZThe repair station technician did not properly install the fuel inlet union during reassembly of the engine; the operator’s maintenance personnel did not adequately inspect the technician's work; and the pilot who performed the post maintenance check flight…Jul 28, 2010 · N509AM · Substantial damageNTSB ERA10TA261Accident · No injuriesFinal reportBell 407 · Abingdon, VAThe improper repair of an engine component by a repair facility, which resulted in a complete loss of engine power. Contributing to the accident was the failure of the repair facility to recognize that an improper repair had been accomplished, which allowed…May 11, 2010 · N31VA · Substantial damageNTSB ENG09IA002Incident · No injuriesIncident investigationFinal reportBoeing 777 · Atlanta, GAThe fan blade fractured due to a fatigue crack that was the result of the combination of the breakdown of the fan blade lubrication system and residual fatigue life usage following the last overhaul of the fan blade. Contributing to the fracture was the…Jan 2, 2009 · N864DA · Minor damageNTSB DCA08MA098Accident · 4 fatalClass 1 · MajorFinal reportLearjet LR60 · Columbia, SCThe operator’s inadequate maintenance of the airplane’s tires, which resulted in multiple tire failures during takeoff roll due to severe underinflation, and the captain’s execution of a rejected takeoff (RTO) after V1, which was inconsistent with her…Sep 20, 2008 · N999LJ · Destroyed