# 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 18 of 79 · 3,929 cases

## Cases, newest first

- [NTSB DEN01LA062](https://openairdocs.org/ntsb/DEN01LA062.md): Piper PA-34-220T · Durango, CO · Accident · No injuries · Limited investigation · Final report · Mar 3, 2001 · N8356X · Substantial damage
  > the pilot's failure to maintain directional control. A contributing factor was the blown tire.
- [NTSB IAD01LA035](https://openairdocs.org/ntsb/IAD01LA035.md): Cessna 210 · Newark, OH · Accident · No injuries · Limited investigation · Final report · Mar 1, 2001 · N3738Y · Substantial damage
  > Improper maintenance, which resulted in the failure of the instrument panel shock mounts.
- [NTSB LAX01LA105](https://openairdocs.org/ntsb/LAX01LA105.md): Embraer EMB-120 · Monterey, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 26, 2001 · N288SW · No damage
  > moisture contamination of the elevator trim actuators, which allowed the units to freeze at altitude resulting in an abrupt pitch change when the units thawed at lower altitudes.
- [NTSB MIA01LA084](https://openairdocs.org/ntsb/MIA01LA084.md): Boeing Helicopters Div. 369D · Inverness, MS · Accident · 1 fatal · Limited investigation · Final report · Feb 23, 2001 · N58377 · No damage
  > The lineman's failure to use the designed attachment point for securing his safety harness to the helicopter, resulting in overload and failure of the component he did attach to. A factor in the accident was the lineman's failure to follow exact sequential…
- [NTSB CHI01IA124](https://openairdocs.org/ntsb/CHI01IA124.md): Boeing 717-231 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Feb 19, 2001 · N2410W · No damage
  > The failure of the operator to provide complete and comprehensive thrust reverser lock-out maintenance procedures and guidance to the contract maintenance personnel resulting in a partial and inadequate securing of the faulty thrust reverser and a subsequent…
- [NTSB SEA01LA049](https://openairdocs.org/ntsb/SEA01LA049.md): Aero Commander AC-690 · Eugene, OR · Accident · No injuries · Limited investigation · Final report · Feb 12, 2001 · N690AC · Substantial damage
  > an undetermined malfunction of the nose gear system which resulted in the failure of the nose gear to fully extend and lock prior to landing.
- [NTSB LAX01LA098](https://openairdocs.org/ntsb/LAX01LA098.md): Bell 47-G3B1 · Winterhaven, CA · Accident · No injuries · Limited investigation · Final report · Feb 10, 2001 · N3084G · Substantial damage
  > A failure of the transmission free wheeling unit due to improper maintenance. A factor was the dark night visual condition.
- [NTSB SEA01LA046](https://openairdocs.org/ntsb/SEA01LA046.md): Western International UH-1H · Darby, MT · Accident · 1 fatal · Limited investigation · Final report · Feb 7, 2001 · N205GL · Substantial damage
  > Inflight loss of a tail rotor pitch change link-to-blade grip attach bolt, resulting partial loss of tail rotor control, and subsequent entanglement of the helicopter's external load cable with a tree during emergency descent. Factors included the pilot's…
- [NTSB IAD01LA031](https://openairdocs.org/ntsb/IAD01LA031.md): Enstrom F28A · Napoleon, OH · Accident · No injuries · Limited investigation · Final report · Feb 3, 2001 · N98PM · Substantial damage
  > The fatigue failure in the fillet radius of the mast, which resulted in the separation of the main rotor system.
- [NTSB ATL01LA029](https://openairdocs.org/ntsb/ATL01LA029.md): Robert D. Wood Velocity Xlfg · Sebastian, FL · Accident · Minor injuries · Limited investigation · Final report · Feb 3, 2001 · N658SE · Substantial damage
  > The manufacturer's inadequate design of the winglet/rudder assembly, and inadequate bonding techniques for metal to fiber structures, which resulted in control surface flutter.
- [NTSB NYC01LA074](https://openairdocs.org/ntsb/NYC01LA074.md): Beech B-19 · Louisa, VA · Accident · No injuries · Limited investigation · Final report · Feb 1, 2001 · N9746L · Substantial damage
  > The pilot's failure to maintain airspeed, which resulted in a hard landing. Factor's in this accident were the loss of electrical power due to an alternator failure and the night light conditions.
- [NTSB LAX01LA083](https://openairdocs.org/ntsb/LAX01LA083.md): Eurocopter AS-350-B2 · Lihue, HI · Accident · Minor injuries · Limited investigation · Final report · Feb 1, 2001 · N985SA · Substantial damage
  > The manufacturer's inadequate collective lock design, which resulted in the collective unlocking during a preflight check and subsequent unintentional liftoff and loss of helicopter control. The pilot's loss of control was due in part to the unavailability of…
- [NTSB SEA01LA042](https://openairdocs.org/ntsb/SEA01LA042.md): Cessna 182R · Renton, WA · Accident · No injuries · Limited investigation · Final report · Jan 28, 2001 · N7568T · Substantial damage
  > The worn condition of the hydraulic pump gears which resulted in a continuous running pump, subsequent pump motor overheat and eventually the tripping of the pump motor circuit breaker. An additional cause was the pilot's failure to verify that the landing…
- [NTSB CHI01IA073](https://openairdocs.org/ntsb/CHI01IA073.md): Canadair CL-600-2B19 · Grand Rapids, MI · Incident · No injuries · Incident investigation · Final report · Jan 25, 2001 · N785CA · Minor damage
  > The uncommanded deployment of the right flight spoiler due to the fatigue fracture of the spoiler lug.
- [NTSB SEA01IA039](https://openairdocs.org/ntsb/SEA01IA039.md): McDonnell Douglas DC-8-71F · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Jan 16, 2001 · N8084U · No damage
  > A malfunctioning relay in the aircraft's flight management system (FMS) switching matrix and associated false "on course" indication on the captain's course deviation indicator (CDI), resulting in proper localizer course alignment not being obtained or…
- [NTSB ATL01LA022](https://openairdocs.org/ntsb/ATL01LA022.md): Lake LA-4-200 · Orlando, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 16, 2001 · N12E · Substantial damage
  > The other maintenance personnel's failure to complete prescribed inspections that resulted in the failure of a fuel block drain assembly fitting, corrosion of the battery grounding strap and the subsequent flash explosion.
- [NTSB LAX01FA071](https://openairdocs.org/ntsb/LAX01FA071.md): Worldwide Aeros 40B · Oakland, CA · Accident · Minor injuries · Field investigation · Final report · Jan 9, 2001 · N819AC · Substantial damage
  > One or both of the rear ballonet air relief valves remained in an open position for undetermined reasons, which caused an out-of-balance trim condition; also causal was the flight crew’s decision to the fly the airship with a known deficiency (the inoperative…
- [NTSB MIA01LA057](https://openairdocs.org/ntsb/MIA01LA057.md): Mooney M-20C · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Jan 7, 2001 · N6807N · Substantial damage
  > The failure of maintenance personnel to properly reconnect the aircraft's elevator control system, resulting in an in-flight disconnection of the elevator control and jamming of the rudder control during climb, the subsequent in-flight loss of control, and…
- [NTSB LAX01IA073](https://openairdocs.org/ntsb/LAX01IA073.md): Boeing 747-200F · Honolulu, HI · Incident · No injuries · Incident investigation · Final report · Jan 6, 2001 · N470EV · No damage
  > the failure of the lighting dimmer switch or circuit components for undetermined reasons, which resulted in smoke in the cockpit.
- [NTSB NYC01IA072](https://openairdocs.org/ntsb/NYC01IA072.md): Bombardier CL-600-2B19 · Covington, KY · Incident · No injuries · Incident investigation · Final report · Jan 3, 2001 · N933CA · Minor damage
  > Missing exhaust nozzle bolts for undetermined reasons. A factor was inadequate maintenance inspection of the affected area.
- [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 MIA01IA051](https://openairdocs.org/ntsb/MIA01IA051.md): Canadair CL-600-2B19 · Hebron, KY · Incident · No injuries · Incident investigation · Final report · Dec 26, 2000 · N729CA · No damage
  > The inadequate design of the flight compartment windshield by the windshield manufacturer resulting in cracking of the center ply.
- [NTSB DEN01LA034](https://openairdocs.org/ntsb/DEN01LA034.md): Barackman Vans RV-6 · Springfield, CO · Accident · No injuries · Limited investigation · Final report · Dec 24, 2000 · N3891P · Substantial damage
  > Total failure of the right hand flap control rod due to construction procedures/directives not being followed by the builder.
- [NTSB IAD01LA020](https://openairdocs.org/ntsb/IAD01LA020.md): Cessna 172M · Medford, NJ · Accident · No injuries · Limited investigation · Final report · Dec 19, 2000 · N789FW · Substantial damage
  > The pilot's failure to attain the proper touchdown point. Factors included the loss of electrical power, the dark night, and the pilot's lack of night experience.
- [NTSB NYC01LA059](https://openairdocs.org/ntsb/NYC01LA059.md): Aerospatiale SA365-N1 · West Mifflin, PA · Accident · Serious injuries · Limited investigation · Final report · Dec 18, 2000 · N89SM · Destroyed
  > Insufficient lubrication within the tail rotor gearbox, which resulted in the seizure of the duplex ball bearing and a fixed pitch setting of the tail rotor. Also causal, was the pilot's loss of control, which was the result of a relative low speed/high power…
- [NTSB MIA01LA040](https://openairdocs.org/ntsb/MIA01LA040.md): Cessna 421B · Pensacola, FL · Accident · No injuries · Limited investigation · Final report · Dec 14, 2000 · N781SL · Substantial damage
  > The failure of the left main landing gear scissors washer during taxi for takeoff, and collapse of the left main landing gear. A factor in the accident was the failure of unknown maintenance personnel to comply with a manufacturers service letter concerning…
- [NTSB ANC01LA023](https://openairdocs.org/ntsb/ANC01LA023.md): Cessna 180 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Dec 14, 2000 · N4955A · Substantial damage
  > The failure of a mechanic to ensure the throttle linkage was secure. A factor in the accident was the pilot's failure to take remedial action during an emergency landing and overrun.
- [NTSB CHI01IA047](https://openairdocs.org/ntsb/CHI01IA047.md): Cessna 172S · St. Cloud, MN · Incident · No injuries · Incident investigation · Final report · Dec 12, 2000 · N582SP · Minor damage
  > the fatigue failure of the propeller blade during the initial takeoff climb. The failure was a result of a material defect, which occurred during the manufacturing process and the manufacturers failure to detect the defect.
- [NTSB FTW01LA034](https://openairdocs.org/ntsb/FTW01LA034.md): Evans Varieze · Ingleside, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 10, 2000 · N64592 · Destroyed
  > the loss of control during takeoff initial climb due to the binding rudder, which restricted the pilot's control of the aircraft.
- [NTSB DEN01LA025](https://openairdocs.org/ntsb/DEN01LA025.md): Cessna 320C · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Nov 30, 2000 · N3043T · Substantial damage
  > the failure of the nose landing gear to fully extend due to a bent extension rod.
- [NTSB DCA01MA005](https://openairdocs.org/ntsb/DCA01MA005.md): Douglas DC-9 · Atlanta, GA · Accident · Minor injuries · Major investigation · Final report · Nov 29, 2000 · N826AT · Substantial damage
  > the leakage of lavatory fluid from the airplane's forward lavatory onto electrical connectors, which caused shorting that led to a fire. Contributing to the accident were the inadequate servicing of the lavatory and the failure of maintenance to ensure…
- [NTSB ATL01LA014](https://openairdocs.org/ntsb/ATL01LA014.md): Piper PA-28R-180 · Merritt Island, FL · Accident · No injuries · Limited investigation · Final report · Nov 27, 2000 · N4914J · Substantial damage
  > Maintenance personnel failure to properly install engine cowling fasteners, which allowed the engine cowling to separate in flight.
- [NTSB IAD01IA019](https://openairdocs.org/ntsb/IAD01IA019.md): McDonnell Douglas MD-11 · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Nov 25, 2000 · N582FE · No damage
  > a short in the left inboard elevator parallel engage solenoid valve for undetermined reasons.
- [NTSB DEN01LA017](https://openairdocs.org/ntsb/DEN01LA017.md): 2000 McCoy Genesis · Fort Collins, CO · Accident · 1 fatal · Limited investigation · Final report · Nov 22, 2000 · N9931W · Destroyed
  > Failure of an airframe stringer due to improper construction by the builder/pilot which rendered the aircraft uncontrollable. A factor was failure by the builder pilot to follow procedures and secure the engine prior to deploying the aircraft recovery…
- [NTSB MIA01FA029](https://openairdocs.org/ntsb/MIA01FA029.md): Airbus Industrie A300B4-605R · Miami, FL · Accident · 1 fatal · Field investigation · Final report · Nov 20, 2000 · N14056 · Minor damage
  > The failure of the flight crew to perform the cabin pressurization manual control abnormal checklist after experiencing a pressurization system malfunction and switching to manual pressurization control, and the failure of the flight crew to perform the…
- [NTSB LAX01LA045](https://openairdocs.org/ntsb/LAX01LA045.md): Collette Glassair III · Guistine, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 19, 2000 · N540AK · Substantial damage
  > Maintenance personnel misrouted the crankcase breather hose so that it was pinched when the cowling was installed. This pressurized the crankcase displacing the oil seal and forcing oil out of the engine. A factor was the unsuitable terrain encountered during…
- [NTSB SEA01FA021](https://openairdocs.org/ntsb/SEA01FA021.md): Piper PA-22-135 · Ontario, OR · Accident · 1 fatal · Field investigation · Final report · Nov 17, 2000 · N3762A · Destroyed
  > Overstress loading to the left wing lift strut resulting in the left wing folding upward during the initial climb.
- [NTSB DEN01LA014](https://openairdocs.org/ntsb/DEN01LA014.md): Mooney M20J · Longmont, CO · Accident · Minor injuries · Limited investigation · Final report · Nov 13, 2000 · N201JP · Substantial damage
  > the total failure of the left main gear strut during the landing roll. A contributing factor was the 6-foot high snow bank that the airplane impacted when it left the runway.
- [NTSB DEN01LA012](https://openairdocs.org/ntsb/DEN01LA012.md): Bell 206L-1 · Mesa Verde, CO · Accident · No injuries · Limited investigation · Final report · Oct 30, 2000 · N613 · Substantial damage
  > The manufacturer's use of improper materials, and inadequate quality control of the tail rotor blades during the manufacturing process, which resulted in fatigue failure of the blade.
- [NTSB LAX01FA026](https://openairdocs.org/ntsb/LAX01FA026.md): Cessna 340A · Julian, CA · Accident · 2 fatal · Field investigation · Final report · Oct 26, 2000 · N4347C · Destroyed
  > Total blockage of the instrument static system due to ice.
- [NTSB SEA01LA008](https://openairdocs.org/ntsb/SEA01LA008.md): Wildman Adventurer · Yelm, WA · Accident · 1 fatal · Limited investigation · Final report · Oct 23, 2000 · N567AW · Destroyed
  > A main rotor blade strike (impact) with both a pusher propeller blade and the rudder during an unknown phase of operation resulting in a loss of control and uncontrolled descent to terrain.
- [NTSB IAD01IA009](https://openairdocs.org/ntsb/IAD01IA009.md): Raytheon 400A · Morristown, NJ · Incident · No injuries · Incident investigation · Final report · Oct 23, 2000 · N792TA · No damage
  > The failure of several relays on the roll trim control printed circuit board, which caused an uncommanded aileron trim input.
- [NTSB MIA01LA011](https://openairdocs.org/ntsb/MIA01LA011.md): Camillo Annaloro C A Spcl Quicks · Lucedale, MS · Accident · Serious injuries · Limited investigation · Final report · Oct 22, 2000 · N302CA · Substantial damage
  > The failure of the pilot to secure a fabric panel during preflight inspection resulting in the panel separating from the aircraft during climb after takeoff, passing through the propeller and damaging wing flap fabric, loss of engine power due to wing flap…
- [NTSB MIA01LA009](https://openairdocs.org/ntsb/MIA01LA009.md): Piper PA-28-161 · Jesup, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 18, 2000 · N47881 · Substantial damage
  > A total failure of the wheel braking system due to the pilot's improper use of braking in downwind, downhill conditions, resulting in overheated brakes, and subsequent encounter with a downslope and terrain collision.
- [NTSB MIA01FA006](https://openairdocs.org/ntsb/MIA01FA006.md): Aerospatiale AS-355-F2 · Burlington, NC · Accident · 1 fatal · Field investigation · Final report · Oct 17, 2000 · N355DU · Destroyed
  > The mechanics failure to comply with manufacturers instructions for correction of a illuminated main rotor gearbox oil pressure warning light resulting in the helicopter being dispatched on a ferry flight with a failed main rotor gearbox oil pump, failure of…
- [NTSB CHI01MA011](https://openairdocs.org/ntsb/CHI01MA011.md): Cessna 335 · Hillsboro, MO · Accident · 3 fatal · Class 1 · Major · Final report · Oct 17, 2000 · N8354N · Destroyed
  > The pilot's failure to control the airplane while maneuvering because of spatial disorientation. Contributing to the accident were the failure of the airplane's primary attitude indicator and the adverse weather conditions, including turbulence.
- [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 LAX01LA016](https://openairdocs.org/ntsb/LAX01LA016.md): Aerospatiale AS350-BH · Hilo, HI · Accident · No injuries · Limited investigation · Final report · Oct 13, 2000 · N532BH · Substantial damage
  > Inadequate maintenance by the helicopter manufacturer during manufacture, which installed skins of inadequate thickness on the tail boom. A factor in the accident was the failure of the manufacturer's quality control system to detect the inadequate thickness.
- [NTSB CHI01LA008](https://openairdocs.org/ntsb/CHI01LA008.md): Walton RV-6 · Saint Paul, MN · Accident · No injuries · Limited investigation · Final report · Oct 11, 2000 · N796W · Substantial damage
  > The rudder tube failure, and aircraft control not possible during the flare by the pilot. A factor was the service bulletin not being complied with by the mechanic during the condition inspection.
- [NTSB LAX01FA006](https://openairdocs.org/ntsb/LAX01FA006.md): McDonnell Douglas 369E · Kernville, CA · Accident · Minor injuries · Field investigation · Final report · Oct 8, 2000 · N819CE · Substantial damage
  > The pilot's improper storage of personal items and his inadequate preflight inspection, which resulted in the unlatching of the left rear cabin door during flight and allowing a plastic garment bag to blow out and strike the tail rotor.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=19

## 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=18

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