# NTSB investigations: 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 30 of 79 · 3,929 cases

## Cases, newest first

- [NTSB SEA96FA214](https://openairdocs.org/ntsb/SEA96FA214.md): Mudry CAP 10B · Fairchild Afb, WA · Accident · 1 fatal · Field investigation · Final report · Sep 14, 1996 · N25AK · Destroyed
  > loss of control due to a jammed aileron pushpull tube, due to improper installation/routing of electrical wire bundles through the right aileron bellcrank mechanism by unknown person(s).
- [NTSB FTW96LA385](https://openairdocs.org/ntsb/FTW96LA385.md): Hiller UH12E · Hamburg, AR · Accident · Minor injuries · Limited investigation · Final report · Sep 12, 1996 · N156HA · Substantial damage
  > The loss of tail rotor control as result of a tail rotor blade strike by a partially disconnected ballast weight, due to a disconnected pin. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW96LA381](https://openairdocs.org/ntsb/FTW96LA381.md): Mooney M20J · Biscoe, AR · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1996 · N311SM · Destroyed
  > Binding of the flight control system for an undetermined reason.
- [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 FTW96FA373](https://openairdocs.org/ntsb/FTW96FA373.md): Beech D55 · Corsicana, TX · Accident · 1 fatal · Field investigation · Final report · Sep 5, 1996 · N873LB · Destroyed
  > The pilot's failure to maintain minimum control airspeed which resulted in the loss of control. Factors were the bent collar of the left main fuel tank refueling neck which resulted in fuel siphoning from the tank in flight, the pilot's failure to follow…
- [NTSB LAX96LA327](https://openairdocs.org/ntsb/LAX96LA327.md): Piper PA-28-140 · Kernville, CA · Accident · No injuries · Limited investigation · Final report · Sep 2, 1996 · N5480F · Substantial damage
  > brake failure due to a stripped brake fitting that allowed the brake fluid to leak out of the system. The failure of maintenance personnel to detect and repair the faulty brake line during the last 100-hour inspection, and the pilot's failure to perform a…
- [NTSB SEA96LA206](https://openairdocs.org/ntsb/SEA96LA206.md): Piper PA-22-108 · Ashland, OR · Accident · No injuries · Limited investigation · Final report · Aug 30, 1996 · N4992Z · Destroyed
  > inadequate inspection of the airplane by maintenance personnel,and a worn exhaust clamp, which resulted in a disconnected exhaust pipe, exhaust leak, burning and shorting of electrical wiring associated with the voltage regulator, and a cabin fire.
- [NTSB CHI96IA320](https://openairdocs.org/ntsb/CHI96IA320.md): Cessna 525 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Aug 29, 1996 · N123JN · Minor damage
  > an uncontained failure of a high pressure turbine disk blade retention post due to fatigue. A factor relating to the incident was: inadequate design of the high pressure turbine disk. Fretting on the leading side of the lobe near the fracture origin may have…
- [NTSB CHI96LA317](https://openairdocs.org/ntsb/CHI96LA317.md): Piper PA-32R-301 · Stewartville, MN · Accident · Serious injuries · Limited investigation · Final report · Aug 26, 1996 · N801SP · Substantial damage
  > the pilot's improper in-flight planning/decision, which resulted in a failure to reach the proper touchdown point for the landing. The fractured nose gear shimmy damper attaching collar and the jammed nose gear were related factors.
- [NTSB CHI96FA314](https://openairdocs.org/ntsb/CHI96FA314.md): Piper PA-32R-300 · Medford, MN · Accident · 1 fatal · Field investigation · Final report · Aug 26, 1996 · N7133C · Destroyed
  > failure of the pilot to maintain control of the airplane, due to spatial disorientation. Factors relating to the accident were: failure of the (primary) vacuum system and a restriction in the (standby) vacuum system.
- [NTSB FTW96LA360](https://openairdocs.org/ntsb/FTW96LA360.md): Cresap Early Bird Jenny · Kersey, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1996 · N12JN · Destroyed
  > Failure of the throttle linkage. A related factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX96FA317](https://openairdocs.org/ntsb/LAX96FA317.md): Cessna 441 · Phoenix, AZ · Accident · No injuries · Field investigation · Final report · Aug 24, 1996 · N832AD · Substantial damage
  > blockage of the fuel vent system due to mud from wasp nest(s). Inadequate maintenance was a related factor.
- [NTSB FTW96LA402](https://openairdocs.org/ntsb/FTW96LA402.md): Cessna TR182 · Telluride, CO · Accident · No injuries · Limited investigation · Final report · Aug 24, 1996 · N757QT · Substantial damage
  > failure of the generator control unit (GCU), which resulted in a total electrical failure and failure of the main landing gear to lock in place.
- [NTSB ATL96FA123](https://openairdocs.org/ntsb/ATL96FA123.md): Burkhart Grob G-115D · Indiantown, FL · Accident · 2 fatal · Field investigation · Final report · Aug 24, 1996 · N234VW · Destroyed
  > failure of maintenance personnel to rebalance the flight controls after the airplane had been repainted, which resulted in rudder flutter and in-flight breakup of the airplane.
- [NTSB SEA96TA192](https://openairdocs.org/ntsb/SEA96TA192.md): Bell UH-1H · Pendleton, OR · Accident · No injuries · Final report · Aug 19, 1996 · N4734F · Substantial damage
  > undetermined malfunction/failure of a flight control or hydraulic system. Rough terrain in the emergency landing area was a related factor.
- [NTSB ATL96LA120](https://openairdocs.org/ntsb/ATL96LA120.md): Great Lakes GL2T-1A-2 · Montgomery, AL · Accident · No injuries · Limited investigation · Final report · Aug 17, 1996 · N47L · Substantial damage
  > The locked rudder in a fully deflected position which resulted in the pilot's inability to maintain directional control.
- [NTSB NYC96IA169](https://openairdocs.org/ntsb/NYC96IA169.md): Boeing 727-232 · Howard Beach, NY · Incident · No injuries · Incident investigation · Final report · Aug 16, 1996 · N24343 · Minor damage
  > fatigue failure of the fore flap attachment fitting, due to grinding marks on the fitting.
- [NTSB FTW96LA348](https://openairdocs.org/ntsb/FTW96LA348.md): Vans RV-4 · Van Horn, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 16, 1996 · XBINF · Substantial damage
  > loss of engine power due to a cracked oil cooler, which led to the loss of all lubricating oil and an engine seizure. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB SEA96LA190](https://openairdocs.org/ntsb/SEA96LA190.md): Aviat A-1 · Worland, WY · Accident · No injuries · Limited investigation · Final report · Aug 13, 1996 · N56LG · Substantial damage
  > overload failure of the landing gear axle, after its design stress limits had been exceeded at some undetermined time.
- [NTSB SEA96LA188](https://openairdocs.org/ntsb/SEA96LA188.md): Jonas Exec 90 · Hermiston, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 1996 · N6183P · Substantial damage
  > slippage of the drive belts, while hover taxiing in ground effect, which resulted in loss of power to the rotor system; and inadequate remedial action by the pilot, which led to a roll over during touch down (forced landing). A factor relating to the accident…
- [NTSB SEA96FA187](https://openairdocs.org/ntsb/SEA96FA187.md): Garlick UH-1H · Coeur D'Alene, ID · Accident · Serious injuries · Field investigation · Final report · Aug 12, 1996 · N97NW · Substantial damage
  > Fatigue fracture of the left forward vertical stabilizer spar, resulting in loss of the vertical stabilizer and tail rotor and subsequent loss of control. A factor was insufficient applicability (by make and model) of an existing FAA airworthiness directive…
- [NTSB MIA96LA209](https://openairdocs.org/ntsb/MIA96LA209.md): Hughes 269A · Cottondale, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 1996 · N8784F · Substantial damage
  > improper assembly of the main rotor blade dampners by a mechanic which resulted in the helicopter being damaged by ground resonance.
- [NTSB ATL96LA118](https://openairdocs.org/ntsb/ATL96LA118.md): Cessna 172N · Nashville, TN · Accident · No injuries · Limited investigation · Final report · Aug 9, 1996 · N5291E · Substantial damage
  > inadequate annual inspection by other maintenance personnel and inadequate pre-flight inspection by the pilot.
- [NTSB IAD96FA126](https://openairdocs.org/ntsb/IAD96FA126.md): Aerotek Pitts Special S-1S · Pittsburgh, PA · Accident · 1 fatal · Field investigation · Final report · Aug 4, 1996 · N2HT · Destroyed
  > The pilot's utilization of airspeeds greater than the manufacturer recommended maneuvering airspeeds which exceed the design limits of the airplane and resulted in the subsequent failure of the wing spar.
- [NTSB FTW96LA334](https://openairdocs.org/ntsb/FTW96LA334.md): Cessna 210 · Pueblo, CO · Accident · No injuries · Limited investigation · Final report · Aug 3, 1996 · N414N · Substantial damage
  > improper routing of the nose landing gear hydraulic line by unknown maintenance personnel, allowing it to chafe on the nose wheel and develop a leak, which resulted in an inability to obtain a down-and-locked condition of the landing gear.
- [NTSB CHI96LA274](https://openairdocs.org/ntsb/CHI96LA274.md): Beech 35 · Yankton, SD · Accident · No injuries · Limited investigation · Final report · Aug 3, 1996 · N3392V · Substantial damage
  > an improper in-flight decision by the pilot when he shut the engine off as the airplane approached the landing runway. Factors associated with this accident were an inadequate maintenance inspection by the mechanic when the actuating arm fracture was not…
- [NTSB FTW96LA331](https://openairdocs.org/ntsb/FTW96LA331.md): Scott Glass Goose · Aubrey, TX · Accident · No injuries · Limited investigation · Final report · Aug 2, 1996 · N96GG · Substantial damage
  > The owner/builder's design change resulting in in-flight flutter of the flaperon, which led to the fuel tank rupture and separation of the flaperon.
- [NTSB SEA96LA181](https://openairdocs.org/ntsb/SEA96LA181.md): Beech 35 · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1996 · N2839V · Substantial damage
  > failure (cracking) of the aft fuselage bulkhead for undetermined reason(s).
- [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 CHI96LA255](https://openairdocs.org/ntsb/CHI96LA255.md): Piper PA-28-151 · New Melle, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 1996 · N44059 · Substantial damage
  > the pilot's selection of an unsuitable area for an emergency/precautionary landing. Factors relating to the accident were: the pilot's continual operation of the airplane with a known deficiency (broken trim switch); an uncommanded activation of the elevator…
- [NTSB FTW96LA325](https://openairdocs.org/ntsb/FTW96LA325.md): Pezetel M-18A · Mcgehee, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1996 · N7643J · Substantial damage
  > failure of the brake system for undetermined reason(s), which resulted in a loss of directional control and a subsequent encounter with a ditch.
- [NTSB FTW96FA319](https://openairdocs.org/ntsb/FTW96FA319.md): Chester Glasair RG · Lafayette, LA · Accident · 2 fatal · Field investigation · Final report · Jul 24, 1996 · N127E · Destroyed
  > failure of the pilot to maintain proper altitude (and clearance above wooded terrain), while diverting to an alternate destination. Factors relating to the accident were: the loss of the comm/nav equipment as a result of an electrostatic discharge, darkness,…
- [NTSB CHI96LA252](https://openairdocs.org/ntsb/CHI96LA252.md): Boeing A75N1 · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 1996 · N58712 · Substantial damage
  > corrosion and fracture of the rudder control horn.
- [NTSB LAX96LA279](https://openairdocs.org/ntsb/LAX96LA279.md): Hiller UH-12E · Healdsburg, CA · Accident · No injuries · Limited investigation · Final report · Jul 20, 1996 · N124HA · Substantial damage
  > The failure of the pilot to confirm a loss of power before entering autorotation after reading an erroneous instrument indication on the helicopter's dual tachometer. Factors in the accident were the erratic instrument, and maintenance personnel who failed to…
- [NTSB ANC96LA105](https://openairdocs.org/ntsb/ANC96LA105.md): Piper PA-18 · Mcgrath, AK · Accident · No injuries · Limited investigation · Final report · Jul 20, 1996 · N2561N · Substantial damage
  > The improper and unauthorized repair of the main landing gear by the pilot, and the pilot's decision to operate the airplane with known deficiencies.
- [NTSB LAX96LA347](https://openairdocs.org/ntsb/LAX96LA347.md): Piper PA-28-180 · Palm Springs, CA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1996 · N5388L · Substantial damage
  > the failure of a propeller blade as a result of undetected in-service mechanical damage that caused a stress point that progressed to a point of failure.
- [NTSB IAD96LA116](https://openairdocs.org/ntsb/IAD96LA116.md): Quicksilver Sprint · Mt Airy, MD · Accident · 1 fatal · Limited investigation · Final report · Jul 13, 1996 · UNREG · Destroyed
  > The pilot's improper planning/decision and exceeding the design stress limits of the aircraft, which resulted in overload failure of the wing and subsequent uncontrolled collision with the terrain. Factors related to the accident were: the pilot's failure to…
- [NTSB ANC96FA098](https://openairdocs.org/ntsb/ANC96FA098.md): Sikorsky CH-54A · Ketchikan, AK · Accident · 1 fatal · Field investigation · Final report · Jul 13, 1996 · N541SB · Destroyed
  > failure of the number 5 tailrotor bearing. A factor relating to the accident was: the uneven/steep sloping terrain, where the pilot was forced to land. Possible factors were: inadequate handling/labeling of the 'relubed' bearing by intermediate supplyier(s),…
- [NTSB ATL96LA104](https://openairdocs.org/ntsb/ATL96LA104.md): Hiller UH-12E · Cottondale, FL · Accident · No injuries · Limited investigation · Final report · Jul 11, 1996 · N102HT · Substantial damage
  > failure of the main rotor drive torsional coupling and inner gimbal ring, which resulted in jamming of the flight controls during an attempted autorotation.
- [NTSB MIA96IA179](https://openairdocs.org/ntsb/MIA96IA179.md): Short Brothers SD3-60-200 · San Juan, PR · Incident · No injuries · Incident investigation · Final report · Jul 9, 1996 · N384MQ · No damage
  > Fatigue failure of a segment of the elevator trim control cable. Contributing to the accident was the failure of the airplane manufacturer to require a replacement interval of the cables.
- [NTSB SEA96LA164](https://openairdocs.org/ntsb/SEA96LA164.md): Piper PA-46-350P · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Jul 8, 1996 · N58VJ · Substantial damage
  > blockage of the vents to both wing fuel tanks, after unknown personnel failed to remove tape (protective covering) from the vents, which resulted in collapsed fuel tanks (and wing damage).
- [NTSB FTW96LA295](https://openairdocs.org/ntsb/FTW96LA295.md): Cessna T210L · Terrell, TX · Accident · No injuries · Limited investigation · Final report · Jul 7, 1996 · N761YL · Substantial damage
  > the mechanic's improper installation of the left main landing gear brake line, which resulted in chaffing and failure of the brake line, loss of hydraulic fluid, and inoperative brake(s).
- [NTSB NYC96LA143](https://openairdocs.org/ntsb/NYC96LA143.md): Aerospatiale AS-332L · Lakewood, NJ · Accident · No injuries · Limited investigation · Final report · Jul 5, 1996 · N25AN · Substantial damage
  > a number two system module hydraulic oil leak, which was ignited by an undetermined source and resulted in a hydraulic fluid fire.
- [NTSB MIA96LA176](https://openairdocs.org/ntsb/MIA96LA176.md): Hiller OH-23C · Marathon, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1996 · N301CH · Substantial damage
  > Improper repair of a previous crack in the blue main rotor blade by unknown persons; improper inspection of the main rotor blades by maintenance personnel, following a reported vibration problem; and subsequent failure of the main rotor blade, which resulted…
- [NTSB LAX96LA258](https://openairdocs.org/ntsb/LAX96LA258.md): Davis Challenger I CW · Paso Robles, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 2, 1996 · N75489 · Destroyed
  > the owner/builder/pilot's impairment of judgment and performance due to drugs which led to his improper handling of the airplane and failure to maintain an adequate airspeed margin above stall speed, resulting in an inadvertent stall/spin. A factor which…
- [NTSB FTW96FA288](https://openairdocs.org/ntsb/FTW96FA288.md): Air Tractor AT-400 · Huffman, TX · Accident · 1 fatal · Field investigation · Final report · Jul 2, 1996 · N501JS · Substantial damage
  > corroded flight control components, due to the operator's inadequate maintenance and inspection of the airplane; the pilot's failure to follow procedures and directives, by flying the airplane without proper maintenance and annual inspection; and subsequent…
- [NTSB LAX96LA261](https://openairdocs.org/ntsb/LAX96LA261.md): Rominger Eyas · Santa Rosa, CA · Accident · No injuries · Limited investigation · Final report · Jun 30, 1996 · N8012U · Substantial damage
  > an inadequate design change by the pilot/builder of the airplane's canopy; a malfunction of the canopy, which resulted in its separation; and failure of the pilot to flare the airplane during an emergency landing after takeoff, due to the wind blast that…
- [NTSB NYC96LA136](https://openairdocs.org/ntsb/NYC96LA136.md): Cessna 172N · Newry, PA · Accident · No injuries · Limited investigation · Final report · Jun 28, 1996 · N4776E · Substantial damage
  > failure of the pilot to identify the inoperative airspeed indication and abort the takeoff, while there was sufficient runway remaining; excessive speed during the approach/landing; and the pilot's failure to perform a go-around after not attaining a proper…
- [NTSB NYC96LA134](https://openairdocs.org/ntsb/NYC96LA134.md): Wsk Pzl-Krosno KR-03A · Hilltown, PA · Accident · No injuries · Limited investigation · Final report · Jun 28, 1996 · N32113 · Substantial damage
  > failure of a bolt on the tow hook which resulted in an uncommanded release of the tow rope, and forced landing of the glider.
- [NTSB MIA96LA166](https://openairdocs.org/ntsb/MIA96LA166.md): Bell UH-1B · Lorida, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 1996 · N9846F · Substantial damage
  > failure of company maintenance personnel to properly torque the tail rotor 90 degree gear box mounting bolts during installation, which resulted in failure of the mounting studs due to bending fatigue and subsequent separation of the gearbox.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=31

## 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 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&page=30

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