# NTSB investigations, IL: Airframe/component/system failure/malfunction 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 3 · 127 cases ## Latest cases - [NTSB CHI08CA056](https://openairdocs.org/ntsb/CHI08CA056.md): Ercoupe 415D · Abingdon, IL · Accident · No injuries · Data collection · Final report · Dec 29, 2007 · N94131 · Substantial damage > The loose clamp on the throttle cable which prevented application of engine power. A factor in the accident was the low altitude when the throttle cable slipped. - [NTSB CHI08FA050](https://openairdocs.org/ntsb/CHI08FA050.md): Boeing 777-222 · Chicago, IL · Accident · Serious injuries · Field investigation · Final report · Dec 14, 2007 · N220UA · Minor damage > Emergency evacuation due to dense smoke in the cabin and the possibility of an on-board fire, which resulted in a serious injury to one of the 264 passengers and crew. An additional cause was the failure of an engine bearing, allowing oil to migrate into the… - [NTSB CHI08IA026](https://openairdocs.org/ntsb/CHI08IA026.md): Airbus Industrie A320-232 · Chicago, IL · Incident · Minor injuries · Incident investigation · Final report · Oct 10, 2007 · N431UA · Minor damage > The misrouted and reversed antiskid wiring by vendor maintenance personnel leading to the runway excursion. Contributing to the incident were the runway sign, the vendor's maintenance personnel not understanding the entire maintenance procedures in the dual… - [NTSB NYC07IA199](https://openairdocs.org/ntsb/NYC07IA199.md): Piper PA-32R-301T · Alton, IL · Incident · No injuries · Incident investigation · Final report · Aug 15, 2007 · N3120T · Minor damage > The component manufacturer's inadequate fabrication of the transient voltage suppressor. - [NTSB CHI07LA080](https://openairdocs.org/ntsb/CHI07LA080.md): Wood Quickie Q-2 · Edwardsville, IL · Accident · 1 fatal · Limited investigation · Final report · Mar 5, 2007 · N89WW · Substantial damage > The loss of engine power during cruise due to loose cylinder head bolts/loose cylinders. - [NTSB CHI07LA056](https://openairdocs.org/ntsb/CHI07LA056.md): Piper PA-24-260B · Belleville, IL · Accident · No injuries · Limited investigation · Final report · Dec 28, 2006 · N9284P · Substantial damage > The failure of the torque link bolt which resulted in the right main landing gear strut scissors separating and becoming jammed in the wheel well. Contributing to the accident was the seized torque link bolt due to surface corrosion. - [NTSB CHI06GA174](https://openairdocs.org/ntsb/CHI06GA174.md): Bell UH-1H · Chicago, IL · Accident · Minor injuries · Final report · Jun 30, 2006 · N681FD · Substantial damage > The in-flight separation of a tail rotor driveshaft hanger bearing due to inadequate maintenance performed by maintenance personnel. Contributing to the accident was the inability to maintain directional control due to the lack of tail rotor thrust. - [NTSB CHI06FA158](https://openairdocs.org/ntsb/CHI06FA158.md): McDonnell Douglas DC-9-83 · Chicago, IL · Accident · No injuries · Field investigation · Final report · Jun 20, 2006 · N961TW · Substantial damage > The jammed nose landing gear due to a failure of the nose landing gear spray deflector for undetermined reasons. - [NTSB CHI06LA088](https://openairdocs.org/ntsb/CHI06LA088.md): Irwin Sonex 2180 · Rockford, IL · Accident · No injuries · Limited investigation · Final report · Feb 27, 2006 · N514KP · Substantial damage > The loss of engine power due to the restricted movement of the throttle cable during cruise flight. A factor in the accident was the trees contacted during the forced landing. - [NTSB CHI06CA014](https://openairdocs.org/ntsb/CHI06CA014.md): Cessna 210C · Kankakee, IL · Accident · No injuries · Data collection · Final report · Oct 19, 2005 · N3610Y · Substantial damage > A hydraulic line leak causing a loss of hydraulic fluid and subsequent failure of the hydraulic system. An additional cause was the inoperative landing gear extension system, both normal and emergency, due to a complete loss of the hydraulic system. - [NTSB CHI05LA243](https://openairdocs.org/ntsb/CHI05LA243.md): Allensworth Baby Belle · El Dara, IL · Accident · 1 fatal · Limited investigation · Final report · Aug 28, 2005 · N9094P · Destroyed > The manufacturer failed to specify a relief radius on the tail rotor spindle drawings, which resulted in the spindle being manufactured with an inadequate relief radius at the point of fatigue failure. - [NTSB CHI05CA134](https://openairdocs.org/ntsb/CHI05CA134.md): Temco GC-1B · Morris, IL · Accident · No injuries · Data collection · Final report · May 25, 2005 · N3875K · Substantial damage > Malfunction of the pilot seat positioning mechanism for undetermined reasons resulting in a loss of aircraft control. The runway light struck when the airplane departed the pavement was a contributing factor. - [NTSB CHI04FA031](https://openairdocs.org/ntsb/CHI04FA031.md): Cessna 560XL · Wheeling, IL · Accident · No injuries · Field investigation · Final report · Nov 11, 2003 · N789CN · Substantial damage > The flight crew's intentional operation with know deficiencies in the aircraft and their delay in aborting the takeoff when a no-takeoff warning was presented. An additional cause was the crew's failure to comply with flight manual procedures concerning… - [NTSB CHI03LA314](https://openairdocs.org/ntsb/CHI03LA314.md): Cessna 182S · Joliet, IL · Accident · No injuries · Limited investigation · Final report · Sep 21, 2003 · N775WB · Substantial damage > The pilot not performing a go-around when the other airplane taxied onto the landing runway, which resulted in the pilot not attaining the proper touchdown point. Factors to the accident include the failure of the alternator, the complete loss of electrical… - [NTSB CHI03LA318](https://openairdocs.org/ntsb/CHI03LA318.md): Dixon Glasair II · Columbia, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 2003 · N817CD · Substantial damage > The pilot's failure to maintain directional control during an aborted takeoff. Contributing factors were the open cabin door, the grass runway and the soft terrain adjacent to the runway. - [NTSB CHI03IA293](https://openairdocs.org/ntsb/CHI03IA293.md): Bell 230 · Wilmington, IL · Incident · No injuries · Incident investigation · Final report · Aug 20, 2003 · N880SF · Minor damage > The material defect during the manufacture of the tail rotor counterweight bellcrank and the bellcrank's subsequent failure due to a fatigue fracture. - [NTSB CHI03IA097](https://openairdocs.org/ntsb/CHI03IA097.md): Boeing 747-422 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Apr 1, 2003 · N175UA · No damage > Failure of company maintenance personnel to fully comply with published maintenance/inspection procedures, as well as the resulting inoperative drain heaters and restricted movement of the aileron control cables. Contributing factors were the impeded waste… - [NTSB CHI03LA067](https://openairdocs.org/ntsb/CHI03LA067.md): Beech BE-G35 · Urbana, IL · Accident · No injuries · Limited investigation · Final report · Feb 9, 2003 · N4668D · Substantial damage > The partial failure of the left stabilizer in overload. - [NTSB CHI03IA027](https://openairdocs.org/ntsb/CHI03IA027.md): Airbus Industrie A319-131 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Nov 21, 2002 · N804UA · Minor damage > The maintenance facililty improperly assembled and installed the nose landing gear shock absorber assembly. Factors were the improper assembly which allowed the nose gear to turn 90 degrees to the direction of travel. - [NTSB CHI03FA025](https://openairdocs.org/ntsb/CHI03FA025.md): Robinson R22 · St. Jacob, IL · Accident · No injuries · Field investigation · Final report · Nov 20, 2002 · N559DD · Substantial damage > Fatigue fracture of the clutch assembly fan shaft and the resulting complete loss of power to the rotor drive system. A contributing factor was the loss of tail rotor authority due to the secondary failure of the control tube assembly. - [NTSB CHI02LA161](https://openairdocs.org/ntsb/CHI02LA161.md): Cessna R182 · Harvard, IL · Accident · No injuries · Limited investigation · Final report · Jun 7, 2002 · N756TK · Substantial damage > The pilot's failure to verify the extension of the landing gear. Factors were the alternator failure, and the main landing gear down locks not engaged. - [NTSB CHI02LA022](https://openairdocs.org/ntsb/CHI02LA022.md): Smith Aerostar 601 · Danville, IL · Accident · No injuries · Limited investigation · Final report · Nov 8, 2001 · N128AC · Substantial damage > The separation of the main landing gear scissor assembly during landing for undetermined reasons, resulting in the directional control of the airplane not being possible. - [NTSB CHI01LA314](https://openairdocs.org/ntsb/CHI01LA314.md): Beech 76 · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Sep 10, 2001 · N383 · Substantial damage > The failure of the hydraulic power pack,and the false landing gear position indication. - [NTSB CHI01LA274](https://openairdocs.org/ntsb/CHI01LA274.md): Piper PA-28-180 · Union, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 2001 · N8424W · Substantial damage > The total failure of the crankshaft as a result of fatigue and the unsuitable terrain encountered during the forced landing. Factors associated with the accident were the soft terrain on which the forced landing was made and the subsequent gear collapse. - [NTSB CHI01FA232](https://openairdocs.org/ntsb/CHI01FA232.md): Smith Kelly-D · Poplar Grove, IL · Accident · 2 fatal · Field investigation · Final report · Jul 21, 2001 · N303SM · Destroyed > The right upper wing failed due to overload. A factor was the pilot performing aerobatic manuevers. - [NTSB CHI01IA055](https://openairdocs.org/ntsb/CHI01IA055.md): Embraer EMB-135LR · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Dec 28, 2000 · N721HS · No damage > The jammed horizontal stabilizer trim that occurred during the airplane's initial climb after takeoff. Factors relating to the incident were the inadequate capability of the horizontal stabilizer trim actuator to move the stabilizer during all flight phases,… - [NTSB CHI01IA016](https://openairdocs.org/ntsb/CHI01IA016.md): Boeing B-727-61 · Wood Dale, IL · Incident · No injuries · Incident investigation · Final report · Oct 17, 2000 · N530KF · Minor damage > Inadequate overhaul of the flap segment that allowed for corrosion and debonding that resulted in the flap segment departing the airplane during the approach. Factors relating to this incident were insufficient information provided to the overhaul facility by… - [NTSB CHI00IA221](https://openairdocs.org/ntsb/CHI00IA221.md): Aerospatiale ATR 42-300 · Champaign, IL · Incident · No injuries · Incident investigation · Final report · Jul 23, 2000 · N421TE · No damage > The failure of the aileron trim switch due to foreign material contamination. - [NTSB CHI00LA038](https://openairdocs.org/ntsb/CHI00LA038.md): Cessna 310Q · Moline, IL · Accident · No injuries · Limited investigation · Final report · Nov 26, 1999 · N7762Q · Substantial damage > the landing gear locking mechanism was not properly locked. Factors relating to this accident were the improper rigging of the gear and the runway marker. - [NTSB CHI00IA018](https://openairdocs.org/ntsb/CHI00IA018.md): Boeing 757-222 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Oct 29, 1999 · N575UA · No damage > the in-flight vibration of the airplane's elevator due to excessive freeplay in the elevator control system. Factors included the corrosion of the elevator PCA reaction link bearings and the elevator hinge bearings, excessive axial and radial wear of the… - [NTSB CHI00IA009](https://openairdocs.org/ntsb/CHI00IA009.md): McDonnell Douglas DC-9-51 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Oct 14, 1999 · N766NC · No damage > The landing gear's wheel separation due to the improper installation of the wheel by company maintenance personnel using incomplete maintenance steps, and the maintenance steps not listed in the manufacturer's manual. Factors were the airport perimeter wall… - [NTSB CHI99IA144](https://openairdocs.org/ntsb/CHI99IA144.md): Cessna 206H · Wheeling, IL · Incident · No injuries · Incident investigation · Final report · Apr 26, 1999 · N42122 · No damage > improper installation of the aileron control bellcrank stop bolts and lock nuts during the manufacturing process which resulted in a binding aileron control surface. - [NTSB CHI99FA120](https://openairdocs.org/ntsb/CHI99FA120.md): Extra Flugzeugbau 300S · Dow, IL · Accident · No injuries · Field investigation · Final report · Mar 24, 1999 · N9K · Substantial damage > a fatigue failure of the upper left longeron and adjacent diagonal cross member near the horizontal stabilizer attach point. A factor related to the accident was that the manufacturer informed the operator that they were already in compliance with the latest… - [NTSB CHI99LA092](https://openairdocs.org/ntsb/CHI99LA092.md): Cessna 172RG · Lawrenceville, IL · Accident · No injuries · Limited investigation · Final report · Feb 15, 1999 · N9506D · Substantial damage > the fatigue fracture of the landing gear actuator. - [NTSB CHI98LA091](https://openairdocs.org/ntsb/CHI98LA091.md): Cessna 210G · Springfield, IL · Accident · No injuries · Limited investigation · Final report · Feb 4, 1998 · N5842F · Substantial damage > The failure of left main landing gear saddle resulting in the pilot's inability to extend the left gear. A factor was maintenance personnel's failure to comply with the related airworthiness directive. - [NTSB CHI98FA017](https://openairdocs.org/ntsb/CHI98FA017.md): Beech G35 · Poplar Grove, IL · Accident · No injuries · Field investigation · Final report · Oct 6, 1997 · N129B · Substantial damage > flutter for an undetermined reason, which resulted in structural damage to the aft fuselage. - [NTSB CHI98IA007](https://openairdocs.org/ntsb/CHI98IA007.md): Boeing 737-200 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Oct 4, 1997 · N129SW · Minor damage > an improper repair to a crack in a brake flange hole on the left main landing gear outboard axle, and subsequent fatigue failure of the axle. - [NTSB CHI96LA328](https://openairdocs.org/ntsb/CHI96LA328.md): Cessna 182P · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Sep 7, 1996 · N6590M · Substantial damage > the pilot misjudged his planned approach during the precautionary landing and the failed to obtain a proper touchdown point. Factors relating to the accident were: the loose oil filler cap, the uneven terrain on which the landing was made, the runway lights… - [NTSB CHI96FA264](https://openairdocs.org/ntsb/CHI96FA264.md): Hoffman, Wolf, Flugzeugbau H-36 · Waukegan, IL · Accident · 1 fatal · Field investigation · Final report · Jul 31, 1996 · N86PS · Destroyed > failure of the pilot to maintain adequate airspeed, while maneuvering to land, which resulted in an inadvertent stalled and collision with the terrain. A factor relating to the accident was: the loose engine cowling. - [NTSB CHI96LA041](https://openairdocs.org/ntsb/CHI96LA041.md): Mcclung SEA Hawk · Marengo, IL · Accident · No injuries · Limited investigation · Final report · Nov 24, 1995 · N391SP · Destroyed > the failure of the upper right wing due to the presence of unbonded areas between the spar cap and the bidirectional fiberglass. The unbonded areas were due to the inadequate manufacturing of the airplane by the owner/builder. A factor in the accident was the… - [NTSB CHI95IA313](https://openairdocs.org/ntsb/CHI95IA313.md): Aerospatiale ATR-72 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 6, 1995 · N414WF · Minor damage > improper installation of the #7 and #8 fuel nozzle manifold transfer tubes by company maintenance personnel, and an inadequate exhaust drain fitting gasket, which resulted in fuel leaks at the respective 'O' ring/gasket fittings; blockage of the fuel/oil… - [NTSB CHI95LA186](https://openairdocs.org/ntsb/CHI95LA186.md): Beech A35 · Jacksonville, IL · Accident · No injuries · Limited investigation · Final report · Jun 4, 1995 · N8640A · Substantial damage > improper maintenance and inspection of the airplane's ruddervators. - [NTSB CHI95IA119](https://openairdocs.org/ntsb/CHI95IA119.md): Boeing 737-222 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Apr 7, 1995 · N9090U · Minor damage > the inadequacy or deterioration of lubricating grease in the wheel bearing, which led to the total bearing failure and subsequent loss of the wheel. Factors were the insufficiently defined procedures for repacking the bearing, along with an insufficient… - [NTSB CHI95IA116](https://openairdocs.org/ntsb/CHI95IA116.md): de Havilland DHC-8-102 · Moline, IL · Incident · No injuries · Incident investigation · Final report · Apr 3, 1995 · N828MA · No damage > the defective weld and the subsequent in flight failure of the welded plug located in the piston of the roll spoiler actuator. The manufacturer's inadequate design is a related factor. - [NTSB CHI95LA096](https://openairdocs.org/ntsb/CHI95LA096.md): Cessna T210N · Rockford, IL · Accident · No injuries · Limited investigation · Final report · Mar 7, 1995 · N6622N · Substantial damage > A disconnect of the alternator belt, and failure of the pilot to attain a down and locked condition of the gear with the emergency extension system. - [NTSB CHI95LA003](https://openairdocs.org/ntsb/CHI95LA003.md): Bell 47G2 · Decatur, IL · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 1994 · N5193B · Substantial damage > the failure of the roller springs in the freewheeling unit of the transmission which caused the unit to disengage. - [NTSB CHI94LA175](https://openairdocs.org/ntsb/CHI94LA175.md): Hughes 269B · Toulon, IL · Accident · Minor injuries · Limited investigation · Final report · May 25, 1994 · N9375S · Destroyed > the improper reassembly of the main rotor blade dampers and the underservicing of the landing gear skid hydraulic struts which resulted in ground resonance of the helicopter when the first takeoff after reassembly was attempted. - [NTSB CHI94FA140](https://openairdocs.org/ntsb/CHI94FA140.md): Vavra, Martin A. Rebel 300 · Wonderlake, IL · Accident · 1 fatal · Field investigation · Final report · Apr 23, 1994 · N12MV · Destroyed > Fatigue and catastrophic failure of the main wing spar resulting from the designer's excessive, unverified estimate of the strength of the spar cap material and the manufacturer's failure to attain the specified strength during the production process. - [NTSB CHI94LA054](https://openairdocs.org/ntsb/CHI94LA054.md): Piper PA-28R-200 · Lacon, IL · Accident · No injuries · Limited investigation · Final report · Dec 13, 1993 · N66CS · Substantial damage > The pilot misjudged the landing flare. Factors related to the accident were: the dark night, the pilot's lack of recent night experience, and the failure of the airplane's electrical system. - [NTSB CHI93LA365](https://openairdocs.org/ntsb/CHI93LA365.md): Grumman AA5B · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Sep 18, 1993 · N55VL · Substantial damage > the fatigue failure and separation of a portion of propeller blade during cruise flight. Related factors are the damage to the flat face of the blade, and inadequate maintenance inspection of the propeller. Next page: https://openairdocs.org/ntsb.md?state=IL&occurrence=130&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."eventStateOrRegion" = 'IL' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=130&state=IL --- 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.