# 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 28 of 79 · 3,929 cases

## Cases, newest first

- [NTSB NYC97LA129](https://openairdocs.org/ntsb/NYC97LA129.md): Lockheed L-1011-385-1 · Covington, KY · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 1997 · N723DA · No damage
  > the failure of the primary and secondary elevator driveshafts, and the failure of maintenance personnel to detect the failure of the primary shaft during scheduled inspections.
- [NTSB LAX97LA222](https://openairdocs.org/ntsb/LAX97LA222.md): Piper PA-28R-201 · San Diego, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 1997 · N6471C · Substantial damage
  > the pilot-in-command's failure to maintain an adequate airspeed which resulted in a stall/mush.
- [NTSB IAD97LA092](https://openairdocs.org/ntsb/IAD97LA092.md): Piper PA-32R-300 · Defiance, OH · Accident · No injuries · Limited investigation · Final report · Jun 21, 1997 · N5716F · Substantial damage
  > The failure of a wheel rim due to overstress separation with no clear evidence initiating event.
- [NTSB SEA97LA147](https://openairdocs.org/ntsb/SEA97LA147.md): Wolf Smith M/P DSA-1 · Bend, OR · Accident · 1 fatal · Limited investigation · Final report · Jun 20, 1997 · N168RW · Destroyed
  > An inflight propeller blade separation, and a subsequent evasive turn to avoid traffic by the pilot at an inadequate airspeed resulting in an accelerated stall. Factors were excessive power output of the installed engine, an aircraft taking off in the…
- [NTSB CHI97LA178](https://openairdocs.org/ntsb/CHI97LA178.md): Grumman-Schweizer G-164A · Benton, MO · Accident · No injuries · Limited investigation · Final report · Jun 20, 1997 · N48FS · Substantial damage
  > the pilot's inadequate preflight by failing to insure that the secondary flight control lock was stowed properly, and subsequently the secondary flight control lock becoming engaged during the takeoff run. A factor relating to the accident was: inadequate…
- [NTSB NYC97IA123](https://openairdocs.org/ntsb/NYC97IA123.md): Beech 1900D · Clarksburg, WV · Incident · No injuries · Incident investigation · Final report · Jun 19, 1997 · N165YV · Minor damage
  > The right outboard flap detaching from the flap aft roller bearings, at the flap track, which was a result of the manufacturer's inadequate inspection program.
- [NTSB FTW97FA220](https://openairdocs.org/ntsb/FTW97FA220.md): Ayres S2R-T34 · Corning, AR · Accident · 1 fatal · Field investigation · Final report · Jun 14, 1997 · N3103D · Destroyed
  > The in-flight separation of the left wing as result of fatigue crack of the lower spar cap due to inadequate materials by the manufacturer. A factor was the operator's failure to comply with a published service bulletin on the airframe.
- [NTSB NYC97LA109](https://openairdocs.org/ntsb/NYC97LA109.md): Piper PA-15 · Easton, PA · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1997 · N4173H · Substantial damage
  > A failed aileron pulley which resulted in loss of tension and subsequent loss of aileron control. A factor was the failure of the mechanic to detect the failed aileron pulley during the annual inspection.
- [NTSB SEA97LA129](https://openairdocs.org/ntsb/SEA97LA129.md): Cessna 210D · Renton, WA · Accident · No injuries · Limited investigation · Final report · Jun 6, 1997 · N3908Y · Substantial damage
  > Landing gear hydraulic system power pack failure.
- [NTSB SEA97LA126](https://openairdocs.org/ntsb/SEA97LA126.md): Garlick UH-1H · Addy, WA · Accident · No injuries · Limited investigation · Final report · Jun 3, 1997 · N85NW · Substantial damage
  > The inflight failure of the K-FLEX engine-to-gear box drive shaft and no suitable site in which to make a forced/emergency landing. A factor was the mountainous/hilly terrain.
- [NTSB MIA97LA177](https://openairdocs.org/ntsb/MIA97LA177.md): Cessna T-210-N · Hollywood, FL · Accident · No injuries · Limited investigation · Final report · Jun 1, 1997 · N7393C · Substantial damage
  > failure of the pilot to ensure the landing gear was locked down before landing, following an electrical system failure, resulting in the left main landing gear collapsing during landing rollout. The electrical malfunction and resultant discharged battery were…
- [NTSB LAX97LA221](https://openairdocs.org/ntsb/LAX97LA221.md): Staudaucher S300D · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · May 31, 1997 · N540DH · Substantial damage
  > The owner/pilot's decision to use automotive hardware, which had not been heat treated, and the practice of adding aluminum plates to the trailing edge of the aileron without rebalancing the flight controls, which resulted in the separation of the aileron at…
- [NTSB LAX97LA197](https://openairdocs.org/ntsb/LAX97LA197.md): Rotorway 162F · Phoenix, AZ · Accident · 1 fatal · Limited investigation · Final report · May 31, 1997 · N176BT · Destroyed
  > the owner/builder incorrectly installed the tail rotor drive pulley mounting scissors, overtorqued the pivot belts, did not perform the required maintenance lubrication of the pivot belts, and failed to perform adequate visual maintenance checks of these…
- [NTSB NYC97LA101](https://openairdocs.org/ntsb/NYC97LA101.md): Hiller UH-12E · Granby, NY · Accident · Serious injuries · Limited investigation · Final report · May 29, 1997 · N4029S · Substantial damage
  > failure of the pilot/owner to replace the torsional clutch as specified by the manufacturer, and subsequent failure of the helicopter's clutch, which resulted in a forced landing (autorotation). A related factor was: the encounter with trees in the emergency…
- [NTSB FTW97LA206](https://openairdocs.org/ntsb/FTW97LA206.md): Piper PA-31-350 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · May 28, 1997 · N491SC · Substantial damage
  > unlatching of the left outboard engine cowling latches for undetermined reason(s), which allowed the left engine cowling to separate inflight and strike the vertical stabilizer.
- [NTSB CHI97FA149](https://openairdocs.org/ntsb/CHI97FA149.md): Bell 206L3 · Boise, ID · Accident · No injuries · Field investigation · Final report · May 27, 1997 · N35CH · Substantial damage
  > the improper torque meter installation by maintenance personnel, attempting flight with known discrepancies by the pilot-in-command and the check airman, and an improper autorotation by the pilot-in-command with improper oversight of the autorotation maneuver…
- [NTSB SEA97FA120](https://openairdocs.org/ntsb/SEA97FA120.md): Piper PA-32-301T · Bend, OR · Accident · 2 fatal · Field investigation · Final report · May 24, 1997 · N83211 · Destroyed
  > Overload of the airframe structure. Thunderstorms and turbulence were factors.
- [NTSB ANC97TA074](https://openairdocs.org/ntsb/ANC97TA074.md): Schweizer SGS 1-26E · Fort Wainwright, AK · Accident · No injuries · Final report · May 17, 1997 · N2952H · Substantial damage
  > the pilot's inadequate preflight and improper planning/decision. Factors relating to the accident were: an unlatched canopy, and unsuitable terrain for landing.
- [NTSB FTW97LA192](https://openairdocs.org/ntsb/FTW97LA192.md): Piper PA-28R-210T · Fort Collins, CO · Accident · No injuries · Limited investigation · Final report · May 15, 1997 · N43761 · Substantial damage
  > the pilot's failure to know and follow the emergency procedure for extending the landing gear after loss of electrical power. Factors relating to the accident were: an inoperative alternator, inadequate maintenance by the operator, a depleted battery, and…
- [NTSB CHI97IA134](https://openairdocs.org/ntsb/CHI97IA134.md): Lockheed L-1011-385-1 · Saint Louis, MO · Incident · No injuries · Incident investigation · Final report · May 15, 1997 · N11003 · Minor damage
  > failure of company maintenance personnel to properly install a mounting eyebolt (and associated cotter pin, washer, spacer and castellated nut) on the lower forward bracket of the left main landing gear strut door.
- [NTSB LAX97LA181](https://openairdocs.org/ntsb/LAX97LA181.md): Piper PA-32R-300 · Burbank, CA · Accident · No injuries · Limited investigation · Final report · May 12, 1997 · N3609Q · Substantial damage
  > improperly secured upper cowl fasteners by unknown person(s).
- [NTSB MIA97IA160](https://openairdocs.org/ntsb/MIA97IA160.md): Short Brothers SD3-60 · Miami, FL · Incident · No injuries · Incident investigation · Final report · May 9, 1997 · N263GA · No damage
  > fatigue failure of a segment of the elevator trim cable system. A factor relating to the incident was: inadequate procedure for inspection of the cable system by the airplane manufacturer.
- [NTSB ATL97LA080](https://openairdocs.org/ntsb/ATL97LA080.md): Learjet 31A · Atlantic Ocean (Atlantic Ocean) · Accident · No injuries · Limited investigation · Final report · May 7, 1997 · N31PV · Substantial damage
  > the pilot-in-command's failure to maintain airspeed within the design structural limits of the airplane.
- [NTSB NYC97LA085](https://openairdocs.org/ntsb/NYC97LA085.md): Marsh-Turner BG-12A · Marion, OH · Accident · 1 fatal · Limited investigation · Final report · May 4, 1997 · N8711R · Destroyed
  > Disconnection of the elevator control rod which resulted in the loss of elevator control. A factor was failure to complete the required maintenance inspection.
- [NTSB SEA97LA096](https://openairdocs.org/ntsb/SEA97LA096.md): Hendrix Talon XP · Redmond, OR · Accident · Minor injuries · Limited investigation · Final report · May 2, 1997 · N6291X · Substantial damage
  > incomplete installation (omission of the aft control stick and interlink tube) of the flight control system, resulting in failure of the combined (torque) elevator and aileron rod and a disconnection of the forward flight control stick from the ailerons and…
- [NTSB CHI97LA119](https://openairdocs.org/ntsb/CHI97LA119.md): Beech D35 · Lexington, KY · Accident · No injuries · Limited investigation · Final report · Apr 29, 1997 · N5985C · Substantial damage
  > flutter for an undetermined reason, which resulted in structural damage to the aft fuselage.
- [NTSB CHI97IA122](https://openairdocs.org/ntsb/CHI97IA122.md): Beech 35 · Spokane, WA · Incident · No injuries · Incident investigation · Final report · Apr 29, 1997 · N2839V · No damage
  > the vibration of the fuselage was due to flutter.
- [NTSB ATL97LA069](https://openairdocs.org/ntsb/ATL97LA069.md): Beech 33 · Carrollton, GA · Accident · No injuries · Limited investigation · Final report · Apr 29, 1997 · N5863S · Substantial damage
  > The inadequate maintenance inspection of the airplane that resulted in the disconnection of the propeller governor linkage and the subsequent reduction in engine power. The pilot also failed to maintain flying speed that resulted in an inadvertent stall…
- [NTSB MIA97IA147](https://openairdocs.org/ntsb/MIA97IA147.md): Boeing 747-2R7F · Miami, FL · Incident · No injuries · Incident investigation · Final report · Apr 19, 1997 · N639FE · Minor damage
  > disbonding and separation of the right inboard wing fixed trailing edge panel during cruise flight, which resulted in damage to the inboard fore flap and inboard mid flap, and a subsequent precautionary landing at the departure airport.
- [NTSB ANC97LA053](https://openairdocs.org/ntsb/ANC97LA053.md): Piper PA-12 · Nikiski, AK · Accident · No injuries · Limited investigation · Final report · Apr 18, 1997 · N92793 · Substantial damage
  > the pilot's improper installation of the landing gear wheel.
- [NTSB MIA97TA139](https://openairdocs.org/ntsb/MIA97TA139.md): Bell 204-B · Calderwood, TN · Accident · No injuries · Final report · Apr 16, 1997 · N4580Y · Destroyed
  > The inadequate maintenance inspection of the helicopter resulting in loss of lubrication from the main drive shaft going undetected until failure of the drive shaft.
- [NTSB NYC97FA076](https://openairdocs.org/ntsb/NYC97FA076.md): Eurocopter MBB-BK117-B2 · New York, NY · Accident · 1 fatal · Field investigation · Final report · Apr 15, 1997 · N909CP · Destroyed
  > Fatigue failure of the vertical fin, accelerated by the installation of blind rivets in lieu of solid rivets in the replacement of the yaw SAS mount support, which resulted in the loss of helicopter directional control and collision with the terrain (water).…
- [NTSB ATL97LA059](https://openairdocs.org/ntsb/ATL97LA059.md): Cessna 210D · Huntsville, AL · Accident · No injuries · Limited investigation · Final report · Apr 14, 1997 · N3761Y · Substantial damage
  > corrosion and subsequent failure of the elevator trim tab, which resulted in vibration and failure of the elevator. Failure of maintenance personnel to comply with a service bulletin was a related factor.
- [NTSB MIA97LA120](https://openairdocs.org/ntsb/MIA97LA120.md): Basinski Kolb MK3 · Winter Haven, FL · Accident · 1 fatal · Limited investigation · Final report · Apr 8, 1997 · N128BB · Substantial damage
  > failure of the pilot to maintain airspeed after an oil leak occurred, which resulted in an inadvertent stall/spin and subsequent collision with a residence and the terrain. The oil leak and the pilot's diverted attention were related factors.
- [NTSB FTW97LA157](https://openairdocs.org/ntsb/FTW97LA157.md): Beech BE-95 · San Antonio, TX · Accident · No injuries · Limited investigation · Final report · Apr 7, 1997 · N2702Y · Substantial damage
  > The failure of the right main gear due to improper repair by the company maintenance personnel.
- [NTSB FTW97LA156](https://openairdocs.org/ntsb/FTW97LA156.md): Rockwell 114 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Apr 7, 1997 · N4861W · Destroyed
  > The exhaust manifold cracking due to the pilot's inadequate maintenance modification of the exhaust system which resulted in a fire. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA97IA151](https://openairdocs.org/ntsb/MIA97IA151.md): Beech 100 · Kenly, NC · Incident · No injuries · Incident investigation · Final report · Apr 5, 1997 · N402G · Minor damage
  > Inadequate inspection procedures by the airframe manufacturer for failure to require removal of the metal retaining ring to inspect the entire area of the window for cracks.
- [NTSB LAX97FA143](https://openairdocs.org/ntsb/LAX97FA143.md): Cessna T210N · Grand Canyon, AZ · Accident · 2 fatal · Field investigation · Final report · Apr 3, 1997 · N6172C · Destroyed
  > The pilot's failure to maintain aircraft control due to spatial disorientation and his lack of proficiency in conducting instrument flight. Contributing were the inoperative alternator, cockpit lighting, and vacuum system.
- [NTSB ATL97LA056](https://openairdocs.org/ntsb/ATL97LA056.md): Cessna A188B · Waynesboro, GA · Accident · 1 fatal · Limited investigation · Final report · Apr 2, 1997 · N53212 · Destroyed
  > The failure of the right wing after the pilot exceeded the design stress limit of the airplane, leading to a loss of control in flight.
- [NTSB NYC97LA066](https://openairdocs.org/ntsb/NYC97LA066.md): Lowe Super Koala · Perry Township, PA · Accident · 2 fatal · Limited investigation · Final report · Mar 30, 1997 · N4424V · Substantial damage
  > improper construction by the builder which led to the failure of the strut and wing assembly.
- [NTSB CHI97FA095](https://openairdocs.org/ntsb/CHI97FA095.md): Cessna 140 · Big Lake, MN · Accident · 1 fatal · Field investigation · Final report · Mar 29, 1997 · N77166 · Destroyed
  > The pilot's maneuvers which exceeded the design stress limits of the airplane and resulted in structural overload of the horizontal tail followed by a structural overload of the wings.
- [NTSB FTW97IA144](https://openairdocs.org/ntsb/FTW97IA144.md): Boeing 767-232 · Dfw Airport, TX · Incident · No injuries · Incident investigation · Final report · Mar 27, 1997 · N105DA · Minor damage
  > The manufacturer's improper installation of the flap, which resulted in fatigue cracking of the flap attach bolts and separation of the flap.
- [NTSB ANC97LA041](https://openairdocs.org/ntsb/ANC97LA041.md): Piper PA-31-350 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Mar 27, 1997 · N4105D · Substantial damage
  > a fuel leak from an engine driven fuel pump which initiated an engine fire, and the fuel pump manufacturer's inadequate quality control of the fuel pump.
- [NTSB ANC97LA040](https://openairdocs.org/ntsb/ANC97LA040.md): Cessna 185 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Mar 27, 1997 · N4855C · Substantial damage
  > The pilot's improper installation of the main landing gear wheel penetration skis, which allowed the skis to rotate to a vertical position in flight and subsequently separate during landing.
- [NTSB FTW97LA139](https://openairdocs.org/ntsb/FTW97LA139.md): Piper PA-16 · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Mar 20, 1997 · N6883K · Substantial damage
  > The unlatching of the front bench seat for an undetermined reason.
- [NTSB FTW97FA135](https://openairdocs.org/ntsb/FTW97FA135.md): Teschendorf Cassutt Sport · Stilwell, OK · Accident · 1 fatal · Field investigation · Final report · Mar 20, 1997 · N86T · Destroyed
  > failure of the right wing spar and/or debonding of the right wing skin, which resulted in separation of the wing skin and a portion of the right wing, during high speed flight. Factors related to the accident were: previous wing damage and inadequate…
- [NTSB LAX97LA125](https://openairdocs.org/ntsb/LAX97LA125.md): Cessna 425 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Mar 17, 1997 · N425TV · Substantial damage
  > failure of the right brake to function, due to the installation mechanic's failure to completely bleed all air from the lines. A factor in the accident was the pilot's decision to fly the unairworthy aircraft before the engine/propeller installation had been…
- [NTSB LAX97FA123](https://openairdocs.org/ntsb/LAX97FA123.md): Ercoupe 415-D · Pacoima, CA · Accident · 2 fatal · Field investigation · Final report · Mar 15, 1997 · N3030H · Destroyed
  > improper maintenance/installation of electrical wiring, the lack of circuit protection, and subsequent in-flight electrical fire.
- [NTSB ANC97IA035](https://openairdocs.org/ntsb/ANC97IA035.md): Piper PA-31-350 · Kotzebue, AK · Incident · No injuries · Incident investigation · Final report · Mar 15, 1997 · N3542H · Minor damage
  > the jammed main landing gear which was caused by a binding main landing gear door with a broken hinge. The fractured, inadequate main landing gear door hinge was also causal.
- [NTSB SEA97IA071](https://openairdocs.org/ntsb/SEA97IA071.md): McDonnell Douglas DC-8-71F · Portland, OR · Incident · No injuries · Incident investigation · Final report · Mar 12, 1997 · N830BX · No damage
  > improper installation of four attach bolts on the elevator drive torque tube.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=29

## 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=28

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
