# NTSB investigations: Sys/Comp malf/fail (non-power)

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 14 of 15 · 726 cases

## Cases, newest first

- [NTSB WPR09LA287](https://openairdocs.org/ntsb/WPR09LA287.md): Howard Long EZ · Placerville, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 2009 · N7999H · Substantial damage
  > The pilot's inability to maintain directional control during the landing roll due to a jammed brake cable.
- [NTSB WPR09LA290](https://openairdocs.org/ntsb/WPR09LA290.md): Bellanca 14-19 · Columbia, CA · Accident · No injuries · Limited investigation · Final report · Jun 11, 2009 · N6561N · Substantial damage
  > The failure of the left main landing gear drag link as a result of overstress fracture. Contributing to the accident was maintenance personnel's failure to detect a small crack in the left main landing gear drag link during the most recent annual inspection.
- [NTSB CEN09CA343](https://openairdocs.org/ntsb/CEN09CA343.md): Cessna 404 · Englewood, CO · Accident · No injuries · Data collection · Final report · Jun 6, 2009 · N37127 · Substantial damage
  > The failure of the landing gear to extend due to the failure of a hydraulic line.
- [NTSB CEN09LA335](https://openairdocs.org/ntsb/CEN09LA335.md): Cessna 140 · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Jun 2, 2009 · N76456 · Substantial damage
  > The improper installation of the wing fairing during recent maintenance, which resulted in the partial separation of the fairing shortly after takeoff.
- [NTSB WPR09LA253](https://openairdocs.org/ntsb/WPR09LA253.md): Gauchat Safari · Rock Springs, AZ · Accident · 2 fatal · Limited investigation · Final report · May 22, 2009 · N147MD · Substantial damage
  > The separation of the main rotor head during cruise flight as a result of cyclic fatigue of the main rotor head spindle. The fatigue crack was due to an inadequate manufacturing process.
- [NTSB ANC09GA040](https://openairdocs.org/ntsb/ANC09GA040.md): Robinson Helicopter R44 · Iliamna, AK · Accident · No injuries · Final report · May 12, 2009 · N7196H · Substantial damage
  > The main rotor transmission mount design, which resulted in an in-flight vibration/oscillation, and damage to the helicopter during an emergency descent and hard landing. Contributing to the accident was the lack of information from the manufacturer regarding…
- [NTSB WPR09LA236](https://openairdocs.org/ntsb/WPR09LA236.md): Cessna 140 · Mesquite, NV · Accident · No injuries · Limited investigation · Final report · May 10, 2009 · N73017 · Substantial damage
  > The pilot's loss of directional control during landing resulting from binding of the left wheel's brake actuating system for an undetermined reason.
- [NTSB WPR09LA167](https://openairdocs.org/ntsb/WPR09LA167.md): Cessna 180G · Wendover, UT · Accident · No injuries · Limited investigation · Final report · Mar 27, 2009 · N98FC · Substantial damage
  > A loss of directional control during landing as a result of the binding in one main landing gear brake assembly due to incorrect maintenance procedures. Contributing to the accident was the pilot's failure to correctly reconfigure the airplane during an…
- [NTSB WPR09CA134](https://openairdocs.org/ntsb/WPR09CA134.md): Kreps Thorp T-18-C · Palm Springs, CA · Accident · No injuries · Data collection · Final report · Mar 1, 2009 · N118CK · Substantial damage
  > A loss of directional control due to the fatigue failure of a tubular steel gear leg along a corroded weld line.
- [NTSB CEN09CA169](https://openairdocs.org/ntsb/CEN09CA169.md): Piper PA-24-250 · Mineral Wells, TX · Accident · No injuries · Data collection · Final report · Feb 3, 2009 · N5451P · Substantial damage
  > The failure of the airframe and power plant mechanic to ensure proper lubrication of wire cables in the landing gear system during the annual inspection which precluded safe operation of the landing gear system.
- [NTSB WPR09LA098](https://openairdocs.org/ntsb/WPR09LA098.md): Cessna 172S · Oceanside, CA · Accident · Serious injuries · Limited investigation · Final report · Jan 24, 2009 · N562AD · Substantial damage
  > A defective alternator wire splice that resulted in an intermittent electrical system malfunction and erroneous fuel gauge readings, and, a loss of engine power for an undetermined reason.
- [NTSB CEN09LA137](https://openairdocs.org/ntsb/CEN09LA137.md): Beech A36 · Farmington, NM · Accident · No injuries · Limited investigation · Final report · Jan 18, 2009 · N8074P · Substantial damage
  > Collapse of the landing gear during landing due to the incorrect installation of the landing gear actuator. Contributing to the accident was the pilot's failure to initiate the abnormal procedures checklist prior to landing.
- [NTSB WPR09LA083](https://openairdocs.org/ntsb/WPR09LA083.md): Cessna 172RG · Carson City, NV · Accident · No injuries · Limited investigation · Final report · Jan 10, 2009 · N6272R · Substantial damage
  > The overload failure of the landing gear actuator at an undetermined time.
- [NTSB WPR09LA075](https://openairdocs.org/ntsb/WPR09LA075.md): Czech Aircraft Works Sport Cruiser · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · Jan 6, 2009 · N797BS · Substantial damage
  > The pilot's failure to ensure that the canopy was latched prior to takeoff. Contributing to the accident was the inadequate guidance in the Pilot Operating Handbook regarding canopy procedures.
- [NTSB WPR09CA059](https://openairdocs.org/ntsb/WPR09CA059.md): Cessna 210 · Sheridan, WY · Accident · No injuries · Data collection · Final report · Dec 17, 2008 · N9619T · Substantial damage
  > Maintenance personnel's failure to reinstall the left front pilot's seat correctly, which resulted in the pilot's loss of control and subsequent impact with a taxiway sign.
- [NTSB CEN09FA094](https://openairdocs.org/ntsb/CEN09FA094.md): Bombardier CL-600-2C10 · Chicago, IL · Incident · No injuries · Field investigation · Final report · Dec 16, 2008 · N511MJ · Minor damage
  > The failure of the left landing gear to extend due to improper maintenance when the landing gear door was replaced. Contributing to the incident was the manufacturer's inadequate maintenance manual instructions.
- [NTSB DCA09IA017](https://openairdocs.org/ntsb/DCA09IA017.md): Bombardier CL-600-2B19 · Philadelphia, PA · Incident · No injuries · Incident investigation · Final report · Dec 14, 2008 · N407AW · Minor damage
  > the failure of the maintenance personnel to properly complete the installation, and the inspection personnel to conduct the proper functional test, of the left main landing gear uplock assembly.
- [NTSB ERA09IA115](https://openairdocs.org/ntsb/ERA09IA115.md): Cessna 402C · Fort Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Dec 11, 2008 · N522FA · Minor damage
  > The airplane manufacturer's inadequate inspection procedure resulting in undetected fatigue cracking of the main landing gear barrel of the upper barrel and trunnion assembly.
- [NTSB ERA09IA056](https://openairdocs.org/ntsb/ERA09IA056.md): DeHavilland DHC-8-311 · Philadelphia, PA · Incident · No injuries · Incident investigation · Final report · Nov 16, 2008 · N326EN · Minor damage
  > The mechanical overload of the nosewheel steering links for undetermined reasons, which resulted in nose landing gear rotation and its subsequent wedging within the wheel well structure.
- [NTSB WPR09LA029](https://openairdocs.org/ntsb/WPR09LA029.md): Cessna 421C · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Oct 30, 2008 · N421PC · Substantial damage
  > The failure of the hydraulic landing gear extension systems due to a ruptured line.
- [NTSB WPR09LA016](https://openairdocs.org/ntsb/WPR09LA016.md): Heisler Lancair Legacy · Parowan, UT · Accident · 1 fatal · Limited investigation · Final report · Oct 18, 2008 · N151HT · Substantial damage
  > The pilot failed to secure the canopy prior to takeoff, resulting in his inability to control the aircraft during the takeoff. Contributing to the accident was the pilot’s impairment from prescription medications and possible obstructive sleep apnea.
- [NTSB CEN09CA026](https://openairdocs.org/ntsb/CEN09CA026.md): Holland Rotorway 162F · Rutland, SD · Accident · Minor injuries · Data collection · Final report · Oct 10, 2008 · N162NJ · Substantial damage
  > The loss of torque due to a failure of a transmission drivebelt and the pilot's delayed landing flare during the autorotation. Contributing to the accident was the dusk light condition and the corn crop.
- [NTSB SEA08IA217](https://openairdocs.org/ntsb/SEA08IA217.md): Diamond DA 40 · San Carlos, CA · Incident · No injuries · Incident investigation · Final report · Sep 13, 2008 · N419JS · Minor damage
  > The improper assembly of the governor during manufacture.
- [NTSB LAX08CA293](https://openairdocs.org/ntsb/LAX08CA293.md): Brubaker F1 · Truckee, CA · Accident · No injuries · Data collection · Final report · Sep 11, 2008 · N954CB · Substantial damage
  > The failure of the bolts securing the tail wheel to its attach point that resulted in a loss of directional control.
- [NTSB DEN08LA153](https://openairdocs.org/ntsb/DEN08LA153.md): Cessna 210 · Pagosa Springs, CO · Accident · No injuries · Limited investigation · Final report · Sep 7, 2008 · N6515X · Substantial damage
  > The failure of the landing gear to extend for undetermined reasons.
- [NTSB CHI08CA287](https://openairdocs.org/ntsb/CHI08CA287.md): Cessna 172M · Three Lakes, WI · Accident · Minor injuries · Data collection · Final report · Sep 1, 2008 · N12809 · Substantial damage
  > The pilot's failure to attain sufficient altitude to avoid the trees during initial climb. Contributing to the accident were the pilot's failure to ensure the security of the entrance door before takeoff and the unintentional opening of the door.
- [NTSB CHI08FA269](https://openairdocs.org/ntsb/CHI08FA269.md): Bell 206L-1 · Greensburg, IN · Accident · 3 fatal · Field investigation · Final report · Aug 31, 2008 · N37AE · Destroyed
  > The in-flight separation of a main rotor blade due to a fatigue failure of the blade spar, rendering the helicopter uncontrollable, and the manufacturer's production of main rotor blades with latent manufacturing defects, which precipitated the fatigue…
- [NTSB LAX08FA286](https://openairdocs.org/ntsb/LAX08FA286.md): Piper PA-31-350 · Las Vegas, NV · Accident · 1 fatal · Field investigation · Final report · Aug 28, 2008 · N212HB · Substantial damage
  > A loss of power in the right engine due to an in-flight fuel-fed fire in the right engine compartment that, while the exact origin could not be determined, was likely related to the right engine-driven fuel pump, its fuel supply line, or fitting. Contributing…
- [NTSB MIA08LA174](https://openairdocs.org/ntsb/MIA08LA174.md): Schweizer G-164B · Clarksdale, MS · Accident · No injuries · Limited investigation · Final report · Aug 26, 2008 · N3633S · Substantial damage
  > The mechanic’s failure to torque check the axle-to-spring gear attachment bolts per the manufacturer's Annual/100-Hour Airframe Inspection Checklist, resulting in fatigue failure of the bolts.
- [NTSB MIA08LA168](https://openairdocs.org/ntsb/MIA08LA168.md): Piper PA-22-160 · Jeannette, PA · Accident · No injuries · Limited investigation · Final report · Aug 19, 2008 · N9403D · Substantial damage
  > Failure of the brakes to function due to inadequate inspection of the brake cable by maintenance personnel.
- [NTSB SEA08CA184](https://openairdocs.org/ntsb/SEA08CA184.md): Wheat Excalibur EX · Moses Lake, WA · Accident · No injuries · Data collection · Final report · Aug 18, 2008 · N2505Q · Substantial damage
  > The right rudder pedal attach rivets sheared due to overload.
- [NTSB DEN08FA140](https://openairdocs.org/ntsb/DEN08FA140.md): Aircraft Mfg & Dev. CH601XLi · Farmersville, TX · Accident · Serious injuries · Field investigation · Final report · Aug 14, 2008 · N451BB · Substantial damage
  > The inadvertent tail stall and subsequent loss of airplane control as a result of the open canopy. Contributing to the accident was the inadequate emergency procedures provided by the airplane manufacturer and the inadequate design of the canopy latching…
- [NTSB NYC08LA273](https://openairdocs.org/ntsb/NYC08LA273.md): Ouzts Rodney Rutan-LongEZ · Winder, GA · Accident · No injuries · Limited investigation · Final report · Aug 6, 2008 · N622EZ · Substantial damage
  > The failure of the left brake due to contamination of the brake fluid.
- [NTSB CHI08CA245](https://openairdocs.org/ntsb/CHI08CA245.md): Air Tractor 301 · Herreid, SD · Accident · No injuries · Data collection · Final report · Aug 5, 2008 · N3161A · Substantial damage
  > Failure of one of the tailwheel bolts on landing and the pilot's subsequent inability to maintain directional control.
- [NTSB DFW08CA200](https://openairdocs.org/ntsb/DFW08CA200.md): Curtiss-Wright 12Q · Erie, CO · Accident · No injuries · Data collection · Final report · Jul 27, 2008 · N496W · Substantial damage
  > Failure of the tail wheel control cable during landing roll out, which resulted in a loss of control.
- [NTSB DEN08IA123](https://openairdocs.org/ntsb/DEN08IA123.md): Airbus Industrie A319-114 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Jul 24, 2008 · C-FYJP · Minor damage
  > Total failure of the right inboard tire. Contributing to this incident were the low pressure of the tire, and the high tire heat generated by the previous rejected takeoff.
- [NTSB LAX08LA242](https://openairdocs.org/ntsb/LAX08LA242.md): Glaser-Dirks Flugzeugbau DG-100G · Truckee, CA · Accident · No injuries · Limited investigation · Final report · Jul 23, 2008 · N132S · Substantial damage
  > A malfunction of the tow release mechanism.
- [NTSB CHI08CA203](https://openairdocs.org/ntsb/CHI08CA203.md): Enstrom F28F · Amberg, WI · Accident · No injuries · Data collection · Final report · Jul 23, 2008 · N8626E · Substantial damage
  > The unsuitable terrain encountered by the pilot during a forced landing following a loss of engine power due to a cylinder head separation. Contributing to the accident was the tree.
- [NTSB LAX08LA217](https://openairdocs.org/ntsb/LAX08LA217.md): Lancair LC41-550FG · Hailey, ID · Accident · No injuries · Limited investigation · Final report · Jul 6, 2008 · N2544W · Substantial damage
  > The loss of directional control while taxiing due to the failure of the right brake.
- [NTSB LAX08LA201](https://openairdocs.org/ntsb/LAX08LA201.md): Cessna A185F · Rainier, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2008 · N5403E · Substantial damage
  > The inadvertent extension of the left float's landing gear to near the down position due to a failure of the gear's rear hydraulic seal.
- [NTSB CHI08FA172](https://openairdocs.org/ntsb/CHI08FA172.md): Enstrom Helicopter 480B · Marinette, WI · Accident · No injuries · Field investigation · Final report · Jun 24, 2008 · N480PD · Substantial damage
  > The pilot inadvertently operating the helicopter at a gross weight greater than its maximum allowable operating weight, and flying the helicopter at an airspeed greater than the never-to-exceed speed for the helicopter’s gross weight condition, resulting in…
- [NTSB DEN08LA107](https://openairdocs.org/ntsb/DEN08LA107.md): Ayres S2R-G6 · Pine Bluff, AR · Accident · No injuries · Limited investigation · Final report · Jun 20, 2008 · N61374 · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of an electrical short in the wiring to the manual fuel switch that closed the fuel valves.
- [NTSB NYC08CA205](https://openairdocs.org/ntsb/NYC08CA205.md): Luscombe 8A · Indiantown, FL · Accident · No injuries · Data collection · Final report · Jun 3, 2008 · N37012 · Substantial damage
  > An inadequate annual inspection that failed to detect a damaged rudder cable which resulted in the cable's subsequent failure during takeoff.
- [NTSB MIA08LA149](https://openairdocs.org/ntsb/MIA08LA149.md): Aero Commander 500-B · Charlotte Amali · Accident · No injuries · Limited investigation · Final report · Jun 1, 2008 · N411FS · Substantial damage
  > The failure of maintenance personnel to identify inadequate clamping of the aluminum line during inspection, and the undetected fatigue cracking of the line which resulted in the loss of hydraulic fluid.
- [NTSB CHI08LA151](https://openairdocs.org/ntsb/CHI08LA151.md): Bell 47D1 · Carrollton, OH · Accident · No injuries · Limited investigation · Final report · Jun 1, 2008 · N74898 · Substantial damage
  > The airframe vibration for an undetermined reason.
- [NTSB SEA08LA147](https://openairdocs.org/ntsb/SEA08LA147.md): Aero Commander 690A · Tacoma, WA · Accident · No injuries · Limited investigation · Final report · May 30, 2008 · N115AB · Substantial damage
  > The collapse of the right main landing gear for undetermined reasons.
- [NTSB DFW08CA152](https://openairdocs.org/ntsb/DFW08CA152.md): Rotorway 162F · Gonzales, TX · Accident · Serious injuries · Data collection · Final report · May 24, 2008 · N771SS · Destroyed
  > failure of the main rotor drive belt for undetermined reasons.
- [NTSB MIA08LA106](https://openairdocs.org/ntsb/MIA08LA106.md): Eurocopter France AS350 B2 · Hiram, GA · Accident · No injuries · Limited investigation · Final report · May 21, 2008 · N417AE · Substantial damage
  > The failure of the starflex arm during engine run-up due to inadequate inspection by maintenance personnel.
- [NTSB DEN08CA089](https://openairdocs.org/ntsb/DEN08CA089.md): Grumman-Schweizer G-164C · De Witt, AR · Accident · No injuries · Data collection · Final report · May 5, 2008 · N6671K · Substantial damage
  > The pilot's improper decision to attempt to close the canopy in flight, and his diverted attention resulting in the airplane impacting the terrain. Contributing to the accident was the excessively worn canopy latch.
- [NTSB ANC08CA065](https://openairdocs.org/ntsb/ANC08CA065.md): de Havilland DHC-3 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Apr 28, 2008 · N565TA · Substantial damage
  > The pilot's selection of an unsuitable landing site, which resulted in an overload failure of the tail ski assembly during the landing roll.

Next page: https://openairdocs.org/ntsb-events/330/cases.md?page=15

## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '330')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/cases?page=14

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