# 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 32 of 79 · 3,929 cases

## Cases, newest first

- [NTSB FTW96FA151](https://openairdocs.org/ntsb/FTW96FA151.md): Sukhoi SU-29 · New Orleans, LA · Accident · 1 fatal · Field investigation · Final report · Mar 21, 1996 · N729SU · Destroyed
  > The in-flight loss of a bolt in the elevator control system due to improper installation by unknown person(s), which resulted in a disconnection of the elevator control system that rendered the airplane uncontrollable.
- [NTSB ATL96LA068](https://openairdocs.org/ntsb/ATL96LA068.md): Bell 205A-1 · Grove Hill, AL · Accident · No injuries · Limited investigation · Final report · Mar 21, 1996 · N68HJ · Substantial damage
  > fatigue failure of the vertical fin forward spar in an area that was not accessible to inspection. A factor relating to the accident was: guidance for inspection of the area (where the fatigue occurred) was insufficiently defined by the manufacturer.
- [NTSB CHI96IA109](https://openairdocs.org/ntsb/CHI96IA109.md): Airbus Industrie A320-211 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Mar 18, 1996 · N340NW · No damage
  > a defective diode in the number two stabilizer actuator that produced an intermittent loss of electrical motor power during transient, closed loop control of the actuator. A factor was the intermittent open circuit in the elevator servo controller…
- [NTSB ATL96LA065](https://openairdocs.org/ntsb/ATL96LA065.md): Cessna 152 · Flamingo, FL · Accident · No injuries · Limited investigation · Final report · Mar 13, 1996 · N6174Q · Substantial damage
  > The student pilot's selection of unsuitable terrain for a precautionary landing. Failure of the #3 exhaust tube was a related factor.
- [NTSB ATL96LA059](https://openairdocs.org/ntsb/ATL96LA059.md): Cessna 172K · Asheville, NC · Accident · No injuries · Limited investigation · Final report · Mar 9, 1996 · N79058 · Substantial damage
  > failure of the brake on the right main landing gear as a result of water (ice) in the brake fluid, which resulted in a loss of braking control.
- [NTSB FTW96LA138](https://openairdocs.org/ntsb/FTW96LA138.md): Cessna 182A · Walsenburg, CO · Accident · No injuries · Limited investigation · Final report · Mar 2, 1996 · N6344B · Substantial damage
  > Failure of the pilot to maintain directional control of the airplane after the left main tire went flat during the landing roll. The flat tire was a related factor.
- [NTSB MIA96LA087](https://openairdocs.org/ntsb/MIA96LA087.md): Marks Kitfox II · Panama City, FL · Accident · Serious injuries · Limited investigation · Final report · Feb 24, 1996 · N915PK · Substantial damage
  > the pilot's improper recovery from a bounced landing, and his failure to maintain directional control of the airplane, which resulted in an inadvertent ground swerve and subsequent collision with a ditch. Factors relating to the accident were: failure of the…
- [NTSB MIA96IA084](https://openairdocs.org/ntsb/MIA96IA084.md): Boeing 707-323C · Miami, FL · Incident · No injuries · Incident investigation · Final report · Feb 22, 1996 · N751MA · Minor damage
  > failure of the flight engineer to follow the appropriate emergency procedure to manually extend the nose landing gear. Factors relating to the incident were: fatigue failure of the utility hydraulic system relief valve, which resulted in an inoperative normal…
- [NTSB ATL96LA132](https://openairdocs.org/ntsb/ATL96LA132.md): Beech 35 · Griffin, GA · Accident · No injuries · Limited investigation · Final report · Feb 22, 1996 · N3134V · Substantial damage
  > failure of maintenance personnel to properly balance the ruddervator assemblies after they had been reskinned and painted, which resulted in flutter and subsequent damage to the empennage.
- [NTSB FTW96LA123](https://openairdocs.org/ntsb/FTW96LA123.md): Beech 95-C55 · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Feb 21, 1996 · N4825J · Substantial damage
  > failure of the pilot to use a more favorable runway, and his failure to go-around, when he realized the airplane would not touch down at the proper touchdown point. Factors relating to the accident were: the inoperative flap motor, failure of the pilot to…
- [NTSB SEA96LA062](https://openairdocs.org/ntsb/SEA96LA062.md): Boeing 767-332 · Portland, OR · Accident · Serious injuries · Limited investigation · Final report · Feb 20, 1996 · N125DL · No damage
  > the passenger's unsuccessful (improper) evacuation of the aircraft. The malfunctioning APU was a related factor in that it torched and produced smoke, due to a faulty fuel control unit and/or gearbox shutoff valve, thereby prompting an emergency evacuation of…
- [NTSB NYC96LA063](https://openairdocs.org/ntsb/NYC96LA063.md): Airbus Industrie A-300B4-605R · Jamaica, NY · Accident · Serious injuries · Limited investigation · Final report · Feb 20, 1996 · N11060 · Minor damage
  > unsuccessful use of the evacuation slides by passengers during an emergency evacuation of the aircraft. The hydraulic valve failure, subsequent hydraulic leak, and resultant smoke were related factors.
- [NTSB ATL96IA053](https://openairdocs.org/ntsb/ATL96IA053.md): Embraer 120 · Raleigh, NC · Incident · No injuries · Incident investigation · Final report · Feb 20, 1996 · N129AM · No damage
  > The operator's inadequate progressive inspection program that did not require periodic analysis of airplane hydraulic system fluid; and the failure of the operator to comply with the airplane manufacturer's maintenance manual resulting in contamination of the…
- [NTSB ATL96FA051](https://openairdocs.org/ntsb/ATL96FA051.md): Sukhoi SU-31 · Immokalee, FL · Accident · 1 fatal · Field investigation · Final report · Feb 20, 1996 · N31MX · Destroyed
  > the manufacturer's improper composite curing process, which resulted in wing spar voids and subsequent failure of the wing during aerobatic flight.
- [NTSB SEA96LA057](https://openairdocs.org/ntsb/SEA96LA057.md): Luscombe 8A · Puyallup, WA · Accident · No injuries · Limited investigation · Final report · Feb 13, 1996 · N71836 · Substantial damage
  > the owner's failure to comply with requirements for annual inspections of the airplane, and the debonding of the right brake lining and subsequent jamming of the lining into the right main wheel.
- [NTSB ATL96LA045](https://openairdocs.org/ntsb/ATL96LA045.md): Piper PA-32-RT-300 · Blountville, TN · Accident · No injuries · Limited investigation · Final report · Feb 7, 1996 · N2200J · Substantial damage
  > Inadequate maintenance, and subsequent in-flight separation of the cowling, due to worn cowling components.
- [NTSB ATL96FA043](https://openairdocs.org/ntsb/ATL96FA043.md): Douglas DC-9-32 · Nashville, TN · Accident · No injuries · Field investigation · Final report · Feb 1, 1996 · N903VJ · Substantial damage
  > the failure of the right main landing gear shock strut cylinder due to preexisting fractures. Contributing to the accident was: the failure of the operator to inspect the shock strut cylinder for fractures following a previous failure of the torque links, and…
- [NTSB FTW96LA106](https://openairdocs.org/ntsb/FTW96LA106.md): Bellanca 17-30A · Belen, NM · Accident · No injuries · Limited investigation · Final report · Jan 13, 1996 · N4109B · Substantial damage
  > previous damage, looseness of the main landing gear, and inadequate maintenance.
- [NTSB FTW96LA095](https://openairdocs.org/ntsb/FTW96LA095.md): Schweizer 269C · San Ygnacio, TX · Accident · No injuries · Limited investigation · Final report · Jan 12, 1996 · N3623T · Substantial damage
  > Failure of the rotor drive system clutch assembly (separation of the swedge ball from the end of the clutch control cable), which resulted in disengagement of the rotor drive system, while the helicopter was in lateral movement at low altitude.
- [NTSB MIA96FA059](https://openairdocs.org/ntsb/MIA96FA059.md): Douglas DC-9-32 · Nashville, TN · Accident · Minor injuries · Class 1 · Field · Final report · Jan 7, 1996 · N922VV · Substantial damage
  > the flight crew's improper procedures and actions (failing to contact system operations/dispatch, failing to use all available aircraft and company manuals, and prematurely resetting the ground control relay circuit breakers) in response to an in-flight…
- [NTSB FTW96LA082](https://openairdocs.org/ntsb/FTW96LA082.md): Bellanca 17-30 · Durango, CO · Accident · No injuries · Limited investigation · Final report · Dec 30, 1995 · N7356V · Substantial damage
  > the failure of the nose wheel steering mechanism which rendered the aircraft uncontrollable on the ground. A factor was the rough and uneven terrain.
- [NTSB CHI96IA066](https://openairdocs.org/ntsb/CHI96IA066.md): Fairchild SA227-AC · Bemidji, MN · Incident · No injuries · Incident investigation · Final report · Dec 28, 1995 · N159MC · No damage
  > inadequate maintenance installation and inspection of the elevator flight control system which led to restricted flight control elevator movement due to a loose bolt.
- [NTSB FTW96IA080](https://openairdocs.org/ntsb/FTW96IA080.md): Beech 1900C · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 25, 1995 · N39019 · No damage
  > failure by the outside contractor to perform adequate maintenance, and failure by the operator to perform an adequate inspection.
- [NTSB MIA96LA043](https://openairdocs.org/ntsb/MIA96LA043.md): Pro Star PRO Tech · Sebring, FL · Accident · 2 fatal · Limited investigation · Final report · Dec 17, 1995 · N2071H · Destroyed
  > the pilot-in-command(CFI) allowed the airplane's design limits to be exceeded which resulted in the overload failure and separation of the right wing.
- [NTSB FTW96LA069](https://openairdocs.org/ntsb/FTW96LA069.md): Ayres S2R-T34 · West Helena, AR · Accident · No injuries · Limited investigation · Final report · Dec 13, 1995 · N3090C · Substantial damage
  > Binding of the power lever linkage, due to corrosion, which resulted in a situation that led to an inadvertent shut-down of the engine at a critical point on the approach to land. A factor relating to the accident was: inadequate maintenance.
- [NTSB LAX96IA065](https://openairdocs.org/ntsb/LAX96IA065.md): Beech 99 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Nov 30, 1995 · N134PM · No damage
  > improper installation of the rudder control cable by company maintenance personnel, which resulted in chafing and/or fatigue and subsequent failure of the cable.
- [NTSB SEA96LA025](https://openairdocs.org/ntsb/SEA96LA025.md): Hughes 369D · Scotts Mills, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 29, 1995 · N64DB · Substantial damage
  > The pilot's failure to maintain adequate clearance from the ground.
- [NTSB FTW96LA052](https://openairdocs.org/ntsb/FTW96LA052.md): Champion 7FC · Fredericksburg, TX · Accident · Minor injuries · Limited investigation · Final report · Nov 24, 1995 · N9899B · Substantial damage
  > the pilot's failure to maintain directional control. Factors were the binding tailwheel and the pilot's lack of experience in tailwheel airplanes.
- [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 FTW96FA046](https://openairdocs.org/ntsb/FTW96FA046.md): Maule M-5-210C · Cypress, TX · Accident · 1 fatal · Field investigation · Final report · Nov 18, 1995 · N51593 · Destroyed
  > The pilot's failure to maintain aircraft control while flying in instrument meteorological conditions. Factors were the weather, and the failure of the airplane's vacuum pump which rendered the attitude indicator and the directional gyro inoperative.
- [NTSB BFO96LA026](https://openairdocs.org/ntsb/BFO96LA026.md): Cessna 210E · Newport News, VA · Accident · No injuries · Limited investigation · Final report · Nov 10, 1995 · N2314F · Substantial damage
  > the failure of the engine-driven hydraulic pump drive shaft, the pilot's failure to properly engage the emergency landing gear handle.
- [NTSB SEA96LA013](https://openairdocs.org/ntsb/SEA96LA013.md): Cessna TR182 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Oct 28, 1995 · N4664S · Substantial damage
  > maintenance personnel improperly installed a landing gear system hydraulic line and the throttle cable which resulted in chaffing and subsequent loss of hydraulic fluid disabling the landing gear extention systems.
- [NTSB FTW96IA024](https://openairdocs.org/ntsb/FTW96IA024.md): Aerospatiale ATR-72-212 · Dfw Airport, TX · Incident · No injuries · Incident investigation · Final report · Oct 24, 1995 · N263AT · Minor damage
  > 'O' ring failure in the fuel line to the left engine nozzle assemblies, which resulted in a fuel line leak and a left engine compartment fire.
- [NTSB SEA96FA010](https://openairdocs.org/ntsb/SEA96FA010.md): Maule M-5-235C · Alta, WY · Accident · 1 fatal · Field investigation · Final report · Oct 23, 1995 · N71AR · Destroyed
  > the corrosion, consequent fatigue cracking and ultimate separation of the right wing forward lift strut.
- [NTSB NYC96LA014](https://openairdocs.org/ntsb/NYC96LA014.md): Cessna 210C · Burlington, VT · Accident · No injuries · Limited investigation · Final report · Oct 19, 1995 · N36264 · Substantial damage
  > a fractured hydraulic line and loss of hydraulic fluid, which resulted in an inoperative landing gear extension system for both normal and emergency operation of the gear.
- [NTSB CHI96LA010](https://openairdocs.org/ntsb/CHI96LA010.md): Crowley/Zenair Zodiac CH-600 · Columbia, MO · Accident · No injuries · Limited investigation · Final report · Oct 15, 1995 · N596WC · Substantial damage
  > A loss of elevator control as a result of the top elevator control cable working its way out of a fitting.
- [NTSB CHI96LA011](https://openairdocs.org/ntsb/CHI96LA011.md): McDonnell Douglas DC-9-31 · Cedar Rapids, IA · Accident · No injuries · Limited investigation · Final report · Oct 14, 1995 · N945AX · Substantial damage
  > inadequate installation of a thrust reverser, driver linkage arm pivot bolt and nut, which resulted in the nut and bolt becoming disconnected. A factor relating to the accident was: the manufacturer's unclear information regarding the type and number of…
- [NTSB NYC96LA007](https://openairdocs.org/ntsb/NYC96LA007.md): Teague Pitts S-1S · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Oct 13, 1995 · N792 · Substantial damage
  > the pilot's misjudged flare and improper bounced landing recovery. Factors were the pilot's lack of recent experience and a false oil pressure gauge indication.
- [NTSB SEA96LA005](https://openairdocs.org/ntsb/SEA96LA005.md): Chard RV-3A · Forest Grove, OR · Accident · 1 fatal · Limited investigation · Final report · Oct 8, 1995 · N27RV · Destroyed
  > The pilot exceeded the design stress limit of the aircraft, followed by the failure of the right wing main spar.
- [NTSB FTW96LA011](https://openairdocs.org/ntsb/FTW96LA011.md): Cessna 195A · Taos, NM · Accident · No injuries · Limited investigation · Final report · Oct 7, 1995 · N9867A · Substantial damage
  > separation of the left main gear wheel as a result of improper maintenance.
- [NTSB SEA95LA229](https://openairdocs.org/ntsb/SEA95LA229.md): Piper PA-18A · Roberts, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 1995 · N1953P · Substantial damage
  > an improperly performed major rebuild and inadequate inspection of the aircraft by maintenance personnel. Inadequate preflight inspection by the pilot contributed to the accident.
- [NTSB NYC95LA231](https://openairdocs.org/ntsb/NYC95LA231.md): Waco UPF-7 · Staten Island, NY · Accident · No injuries · Limited investigation · Final report · Sep 29, 1995 · N167K · Substantial damage
  > Failure of the propeller blade due to fatigue, which resulted in severe vibration, subsequent separation of the engine, and a forced landing.
- [NTSB MIA95LA236](https://openairdocs.org/ntsb/MIA95LA236.md): Bell 47G-3B1 · Union Church, MS · Accident · Minor injuries · Limited investigation · Final report · Sep 26, 1995 · N92HA · Substantial damage
  > inadequate maintenance lubrication and inspection of the main rotor head which resulted in the separation of a rod end bearing.
- [NTSB SEA95LA226](https://openairdocs.org/ntsb/SEA95LA226.md): Cessna 340 · Riverton, WY · Accident · No injuries · Limited investigation · Final report · Sep 25, 1995 · N10DF · Substantial damage
  > a partial loss of hydraulic fluid in the left brake system rendering the left brake inoperative.
- [NTSB NYC95LA226](https://openairdocs.org/ntsb/NYC95LA226.md): Champion 7KCAB · Auburn, NY · Accident · No injuries · Limited investigation · Final report · Sep 23, 1995 · N6304N · Destroyed
  > the loss of airplane control as a result of a jammed rudder for undetermined reasons.
- [NTSB MIA95TA230](https://openairdocs.org/ntsb/MIA95TA230.md): Bell 206B · Culebra, PR · Accident · Serious injuries · Final report · Sep 22, 1995 · N2280N · Destroyed
  > the failure of company maintenance personnel to insure the tail rotor gearbox attach bolts were properly torqued.
- [NTSB SEA95LA227](https://openairdocs.org/ntsb/SEA95LA227.md): Texas Helicopter OH-13E · Yakima, WA · Accident · No injuries · Limited investigation · Final report · Sep 20, 1995 · N38115 · Substantial damage
  > Fatigue failure of the bolt attaching the scissor arm assembly to the pitch control support assembly. The failure of the bolt led to a loss of collective pitch control and reduced rotor RPM.
- [NTSB FTW95IA397](https://openairdocs.org/ntsb/FTW95IA397.md): MBB BO-105C · Lafayette, LA · Incident · No injuries · Incident investigation · Final report · Sep 18, 1995 · N91070 · No damage
  > a short in the 'jam proof system' solenoid valve which prevented activation of the backup hydraulic system and resulting in a cyclic hardover. Factors were the contaminated hydraulic fluid and the resulting jammed actuator (longitudinal control slider).
- [NTSB ANC95LA170](https://openairdocs.org/ntsb/ANC95LA170.md): Cessna 180 · Port Alsworth, AK · Accident · No injuries · Limited investigation · Final report · Sep 15, 1995 · N2940K · Substantial damage
  > Failure of the main landing gear wheel that had been modified for a tundra tire.
- [NTSB FTW95FA394](https://openairdocs.org/ntsb/FTW95FA394.md): MBB BO-105C · Houston, TX · Accident · No injuries · Field investigation · Final report · Sep 14, 1995 · N650MS · Destroyed
  > the failure of the main transmission's #1 (left) input pinion assembly, due to the partially blocked oil passage which reduced oil flow, resulting in the disconnect of the drive shaft.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=33

## 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=32

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