# 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 12 of 15 · 726 cases

## Cases, newest first

- [NTSB CEN11IA649](https://openairdocs.org/ntsb/CEN11IA649.md): Airbus Industrie A320-211 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 17, 2011 · C-FGYL · Minor damage
  > The infiltration of moisture into the windshield heating layer that induced arcing in the heating system that subsequently cracked the windshield.
- [NTSB ANC11CA095](https://openairdocs.org/ntsb/ANC11CA095.md): Cessna 170A · Anchorage, AK · Accident · No injuries · Data collection · Final report · Sep 5, 2011 · N5406C · Substantial damage
  > The fracture of a hydraulic brake line fitting due to incorrect installation of the brake line by the pilot/owner, which resulted in a loss of brake pressure and subsequent loss of directional control during the landing roll.
- [NTSB CEN11LA601](https://openairdocs.org/ntsb/CEN11LA601.md): Van's RV-12 · Windom, MN · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 2011 · N73712 · Substantial damage
  > The pilot's loss of airplane control after liftoff due to his distraction with the unsecured canopy, which he did not lock before takeoff.
- [NTSB CEN11CA640](https://openairdocs.org/ntsb/CEN11CA640.md): Cessna T210M · Cahokia, IL · Accident · No injuries · Data collection · Final report · Aug 25, 2011 · N44HR · Substantial damage
  > A failure of a spring in the main landing gear actuation system that prevented the landing gear from extending.
- [NTSB ERA11CA471](https://openairdocs.org/ntsb/ERA11CA471.md): Payne/Foster Glasair · Ocala, FL · Accident · No injuries · Data collection · Final report · Aug 24, 2011 · N250CH · Substantial damage
  > The failure of the tailwheel locking mechanism to remain engaged while landing in a crosswind, which resulted in a loss of directional control and runway excursion.
- [NTSB WPR11CA358](https://openairdocs.org/ntsb/WPR11CA358.md): Mcdonald Lynn B Avid Flyer Mark IV · Yamhill, OR · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N30456 · Substantial damage
  > The pilot’s loss of directional control during landing rollout due to an unlocked tail wheel that was caused by a degradation of the tailwheel assembly mounting angle.
- [NTSB CEN11CA523](https://openairdocs.org/ntsb/CEN11CA523.md): Cessna 195 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 28, 2011 · N195SM · Substantial damage
  > The failure of the left brake which resulted in a ground-loop.
- [NTSB ANC11CA072](https://openairdocs.org/ntsb/ANC11CA072.md): Aeronca 7AC · McCarthy, AK · Accident · No injuries · Data collection · Final report · Jul 24, 2011 · N85194 · Substantial damage
  > The separation of the right main landing gear oleo strut assembly, resulting in the collapse of the main landing gear during the landing roll.
- [NTSB ERA11CA396](https://openairdocs.org/ntsb/ERA11CA396.md): Piper PA-30 · Plant City, FL · Accident · No injuries · Data collection · Final report · Jul 10, 2011 · N325EE · Substantial damage
  > The failure of a screw in the nose landing gear aligner assembly for undetermined reasons, which prevented the landing gear from fully extending.
- [NTSB WPR11LA303](https://openairdocs.org/ntsb/WPR11LA303.md): Arrow Falcon Exporters OH-58C · Brentwood, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2011 · N6264D · Substantial damage
  > The failure of the main rotor mast due to fatigue cracking originating from corrosion pits.
- [NTSB WPR11LA313](https://openairdocs.org/ntsb/WPR11LA313.md): Piper PA 46-350P · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Jun 26, 2011 · N9246M · Substantial damage
  > Fatigue failure of an engine mount attachment foot, which resulted in collapse of the nose landing gear during landing. Contributing to the accident was the failure of the owner/operator to adhere to the manufacturer's suggested engine mount inspection…
- [NTSB WPR11LA282](https://openairdocs.org/ntsb/WPR11LA282.md): Hiller UH12E · Hanford, CA · Accident · No injuries · Limited investigation · Final report · Jun 23, 2011 · N99579 · Substantial damage
  > The separation of the tail rotor drive gear shaft due to torsional fatigue of its threaded portion, which resulted in a loss of tail rotor control.
- [NTSB WPR11LA292](https://openairdocs.org/ntsb/WPR11LA292.md): Cessna 320F · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Jun 21, 2011 · N6160Q · Substantial damage
  > The mechanic's failure to properly secure the nose landing gear actuator push-pull tube to the landing gear door hinge clevis, which resulted in the gear jamming and not fully retracting after takeoff.
- [NTSB CEN11WA412](https://openairdocs.org/ntsb/CEN11WA412.md): McDonnell Douglas Helicopter 369E · Glastonbury, United Kingdom · Accident · Serious injuries · Foreign investigation · Jun 19, 2011 · G-KSWI · Substantial damage
  > On June 19, 2011, at 1420 universal coordinated time (UTC), a McDonnell Douglas Helicopter Company model 369E, United Kingdom registration G-KSWI, s/n 0204E, was substantially damaged during an emergency landing after experiencing a mechanical failure of the…
- [NTSB WPR11LA265](https://openairdocs.org/ntsb/WPR11LA265.md): Aerovodochody L-29 Delfin · Reno, NV · Accident · No injuries · Limited investigation · Final report · Jun 18, 2011 · N37KF · Substantial damage
  > The failure of a modified engine mount to keep the engine properly aligned, which resulted in partial failure of the rudder support structure due to the deflection of the jet engine exhaust.
- [NTSB CEN11CA387](https://openairdocs.org/ntsb/CEN11CA387.md): Beech B200 · Waukegan, IL · Accident · No injuries · Data collection · Final report · Jun 10, 2011 · N23WS · Substantial damage
  > The lightning strike during an en route descent.
- [NTSB CEN11IA369](https://openairdocs.org/ntsb/CEN11IA369.md): Embraer EMB-145 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 3, 2011 · N607AE · No damage
  > The overheat and failure the brake during landing due to oxidation of the brake rotors, which went undetected by maintenance personnel. Contributing to the accident was maintenance personnel’s lack of familiarity with detailed brake oxidation inspection…
- [NTSB WPR11LA245](https://openairdocs.org/ntsb/WPR11LA245.md): Piper PA-46-310P · Lake Havasu, AZ · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N712MK · Substantial damage
  > The failure of the low pressure switch in the normal landing gear system, which prevented normal operation of that system, and the misrigging of the emergency extension gear release valve, which prevented the system from being depressurized to allow for the…
- [NTSB ERA11IA320](https://openairdocs.org/ntsb/ERA11IA320.md): Robinson Helicopter R22 Mariner · Redding, CT · Incident · No injuries · Incident investigation · Final report · May 29, 2011 · N8313E · No damage
  > The pilot's inadequate helicopter preflight inspection and the mechanic’s inadequate annual inspection, both of which failed to detect a worn bolt in the tail rotor teeter hinge prior to its fracture due to fatigue.
- [NTSB DCA11PA075](https://openairdocs.org/ntsb/DCA11PA075.md): Boeing 707-321B · Point Mugu, CA · Accident · Minor injuries · Final report · May 19, 2011 · N707AR · Substantial damage
  > the failure of a midspar fitting, which was susceptible to fatigue cracking and should have been replaced with a newer, more fatigue-resistant version of the fitting as required by an airworthiness directive. Also causal was an erroneous maintenance entry…
- [NTSB WPR11LA218](https://openairdocs.org/ntsb/WPR11LA218.md): Piper PA46-500TP · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · May 3, 2011 · N46ME · Substantial damage
  > The overstress fracture of the right aileron midspan hinge bracket due to modal vibrations created by a deflated right main landing gear tire during the takeoff roll.
- [NTSB CEN11LA315](https://openairdocs.org/ntsb/CEN11LA315.md): Hughes 269B · Edgerton, IN · Accident · No injuries · Limited investigation · Final report · Apr 29, 2011 · N9561F · Substantial damage
  > A loss of clearance between the tail rotor drive shaft and the tailboom bulkhead for undetermined reasons, which resulted in the overstress failure of the drive shaft.
- [NTSB WPR11LA205](https://openairdocs.org/ntsb/WPR11LA205.md): Bennett Midjet Mustang I · Ramona, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 10, 2011 · N611JB · Substantial damage
  > The pilot's inability to maintain directional control during the landing roll due to the overload separation of the left brake master cylinder from the left rudder pedal assembly.
- [NTSB ERA11LA239](https://openairdocs.org/ntsb/ERA11LA239.md): Beech BE99 · Cedartown, GA · Accident · No injuries · Limited investigation · Final report · Apr 10, 2011 · N899AE · Substantial damage
  > The failure of the left main landing gear bearings and supports due to inadequate lubrication by unknown maintenance personnel.
- [NTSB WPR11CA197](https://openairdocs.org/ntsb/WPR11CA197.md): Xtremeair Sbach 342 · Springerville, AZ · Accident · No injuries · Data collection · Final report · Apr 4, 2011 · N142WP · Substantial damage
  > The pilot's failure to properly secure loose objects in the cockpit area which resulted in a personal locator beacon becoming lodged in the elevator control torque tubes, restricting flight control movement.
- [NTSB ERA11LA150](https://openairdocs.org/ntsb/ERA11LA150.md): Flaglor Tom Kolb Aircraft MK III · Stetson, ME · Accident · Minor injuries · Limited investigation · Final report · Feb 17, 2011 · N213 · Substantial damage
  > The in-flight failure of the No. 1 composite propeller blade due to fatigue, which resulted in a violent vibration, loss of engine power, and a subsequent forced landing to unsuitable terrain.
- [NTSB CEN11FA193](https://openairdocs.org/ntsb/CEN11FA193.md): Gulfstream Aerospace GV-SP · Appleton, WI · Accident · No injuries · Field investigation · Final report · Feb 14, 2011 · N535GA · Substantial damage
  > The pilot flying's (PF) decision to land on a shorter-than-recommended runway with a known left hydraulic system failure rather than go around as suggested by the pilot-not-flying, his failure to immediately apply emergency brakes following the detection of…
- [NTSB CEN11IA180](https://openairdocs.org/ntsb/CEN11IA180.md): Hawker Beechcraft C90 · Evansville, IN · Incident · No injuries · Incident investigation · Final report · Feb 9, 2011 · N2057C · Minor damage
  > The peel chip-type failure of the co-pilot's window during initial climb.
- [NTSB WPR11CA112](https://openairdocs.org/ntsb/WPR11CA112.md): Harvey Patten Rans S-6ES · Buckeye, AZ · Accident · Minor injuries · Data collection · Final report · Jan 28, 2011 · N8053R · Substantial damage
  > A disconnection of the elevator control linkage due to incorrect installation or maintenance, which was due to the retaining nut backing off the bolt and allowing the bolt to fall out.
- [NTSB ERA11CA125](https://openairdocs.org/ntsb/ERA11CA125.md): Cessna 210K · Crestview, FL · Accident · No injuries · Data collection · Final report · Jan 26, 2011 · N5767J · Substantial damage
  > The pilot's inability to maintain control of the airplane during landing due to the failure of the right main tire.
- [NTSB DCA11WA023](https://openairdocs.org/ntsb/DCA11WA023.md): Boeing 737 · Montpelier, France · Incident · No injuries · Foreign investigation · Jan 10, 2011 · F-GIXD · No damage
  > On January 10, 2011, at 1330 local time a Boeing 737-700, registration F-GIXD experienced an AOA sensor blockage resulting in false stick-shaker during takeoff from Montpelier, France. The airplane was on a ferry flight to Toulouse, France, and returned to…
- [NTSB WPR11LA119](https://openairdocs.org/ntsb/WPR11LA119.md): Czech Sportplanes Sro Dynamic · Palm Springs, CA · Accident · No injuries · Limited investigation · Final report · Jan 9, 2011 · N595DY · Substantial damage
  > Inadvertent opening of the airplane canopy during the landing approach in a downdraft, which resulted in a rapid descent and hard landing.
- [NTSB CEN11CA143](https://openairdocs.org/ntsb/CEN11CA143.md): Rardin William I Kitfox III · Carlisle, AR · Accident · No injuries · Data collection · Final report · Jan 2, 2011 · N876KF · Substantial damage
  > Failure of the left main landing gear strut due to a pre-existing crack in the weld joint.
- [NTSB CEN11LA089](https://openairdocs.org/ntsb/CEN11LA089.md): Cessna 180 · Omaha, NE · Accident · No injuries · Limited investigation · Final report · Dec 2, 2010 · N3246D · Substantial damage
  > A loss of engine power due to a stuck check valve in the carburetor acceleration pump, resulting in an improper fuel mixture when the pilot attempted to add power.
- [NTSB ERA11WA073](https://openairdocs.org/ntsb/ERA11WA073.md): Swearingen SA227 · Andahuaylas, Peru · Accident · Minor injuries · Foreign investigation · Nov 13, 2010 · N781C · Substantial damage
- [NTSB WPR11IA019](https://openairdocs.org/ntsb/WPR11IA019.md): Bombardier CL-600-2B19 · Phoenix, AZ · Incident · No injuries · Incident investigation · Final report · Oct 18, 2010 · N938SW · Minor damage
  > The overextension of the main cabin door due to difficulty opening the door because the power-assist motor cable was lodged within the main cabin door assembly.
- [NTSB ERA11LA025](https://openairdocs.org/ntsb/ERA11LA025.md): Schempp-Hirth Ventus B/16.6 · Warren, VT · Accident · No injuries · Limited investigation · Final report · Oct 18, 2010 · N188PX · Substantial damage
  > The pilot's inadvertent deployment of the airbrake handle past the upper limit of its normal operating range, which resulted in binding of the controls.
- [NTSB ANC10LA101](https://openairdocs.org/ntsb/ANC10LA101.md): Cessna 150F · North Pole, AK · Accident · No injuries · Limited investigation · Final report · Oct 1, 2010 · N3569L · Substantial damage
  > The overstress separation of the left nose wheel steering linkage rod end during the takeoff roll, which resulted in a loss of control.
- [NTSB WPR10LA479](https://openairdocs.org/ntsb/WPR10LA479.md): Piper PA-46-350P · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Sep 30, 2010 · N90SE · Substantial damage
  > The failure of a manufacturing splice of the right main landing gear tire’s inner tube, which resulted in a deflated tire and a consequent loss of directional control on landing.
- [NTSB ERA10LA485](https://openairdocs.org/ntsb/ERA10LA485.md): Beech 58 · Rainelle, WV · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 2010 · N86BR · Substantial damage
  > The improper rigging of the fuel selector by maintenance personnel, which resulted in a total loss of engine power.
- [NTSB WPR10LA464](https://openairdocs.org/ntsb/WPR10LA464.md): Hughes OH-6A · Majuro (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Sep 11, 2010 · N74LB · Substantial damage
  > A loss of helicopter control for undetermined reasons.
- [NTSB CEN10IA535](https://openairdocs.org/ntsb/CEN10IA535.md): Embraer 500 · Brenham, TX · Incident · No injuries · Incident investigation · Final report · Sep 10, 2010 · N226CP · Minor damage
  > The pilots’ decision to depart with a known failed brake control unit.
- [NTSB CEN10CA542](https://openairdocs.org/ntsb/CEN10CA542.md): Schempp-Hirth Standard Cirrus · Moriarty, NM · Accident · Minor injuries · Data collection · Final report · Sep 5, 2010 · N4664 · Substantial damage
  > The inadvertent opening of the cockpit canopy for undetermined reasons.
- [NTSB CEN10CA510](https://openairdocs.org/ntsb/CEN10CA510.md): Grumman Acft ENG Cor-Schweizer G-164B · Basile, LA · Accident · No injuries · Data collection · Final report · Aug 27, 2010 · N63E · Substantial damage
  > The loss of directional control during landing due to failure of the right brake for undetermined reasons.
- [NTSB CEN10IA554](https://openairdocs.org/ntsb/CEN10IA554.md): Diamond Aircraft Ind DA 20-C1 · Bloomington, IL · Incident · No injuries · Incident investigation · Final report · Aug 26, 2010 · N409AM · Minor damage
  > The cracked nose landing gear fork assembly found during the preflight inspection.
- [NTSB WPR10LA421](https://openairdocs.org/ntsb/WPR10LA421.md): Cessna U206 · Grangeville, ID · Accident · No injuries · Limited investigation · Final report · Aug 23, 2010 · N29100 · Substantial damage
  > The pilot’s decision to fly with a known defective nosewheel assembly, which resulted in a loss of directional control and nose-over on landing after the assembly shifted out of alignment during the flight.
- [NTSB CEN10LA484](https://openairdocs.org/ntsb/CEN10LA484.md): Rammel Thomas W Searey · Cokato, MN · Accident · Serious injuries · Limited investigation · Final report · Aug 8, 2010 · N452TR · Substantial damage
  > Separation of the composite skin on one of the three propeller blades that resulted in an in-flight vibration, and the pilot's failure to maintain clearance with the water while maneuvering to avoid obstacles in preparation for a precautionary landing.
- [NTSB CEN10LA457](https://openairdocs.org/ntsb/CEN10LA457.md): Cessna 180B · Burnet, TX · Accident · No injuries · Limited investigation · Final report · Aug 2, 2010 · N5177E · Substantial damage
  > The failure of the tailwheel compression spring, which resulted in a loss of directional control during landing.
- [NTSB CEN10IA453](https://openairdocs.org/ntsb/CEN10IA453.md): Piper PA-32R-301T · Mount Pleasant, TX · Incident · No injuries · Incident investigation · Final report · Aug 1, 2010 · N4184X · No damage
  > The failure of an aileron control cable due to a seized idler pulley bearing.
- [NTSB ERA10LA379](https://openairdocs.org/ntsb/ERA10LA379.md): Garlick Helicopters OH-58A+ · Newport, TN · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2010 · N48LA · Substantial damage
  > Inadequate maintenance inspections of the main rotor blade inertia screw holes, which resulted in a main rotor blade failure due to fatigue. Contributing to the accident was the pilot's inadequate preflight inspection of the main rotor blades.

Next page: https://openairdocs.org/ntsb-events/330/cases.md?page=13

## 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=12

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