# NTSB investigations, 2009: Aircraft maintenance event

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.

## Latest cases

- [NTSB ERA10LA100](https://openairdocs.org/ntsb/ERA10LA100.md): Fpna A-22 Valor · Hunting Island, SC · Accident · No injuries · Limited investigation · Final report · Dec 23, 2009 · N721FP · Substantial damage
  > Maintenance personnel's inadequate inspection of the oil system's fittings during a routine oil servicing, which resulted in oil starvation due to a loose and/or detached oil line B-nut fitting that led to the engine seizing while in flight.
- [NTSB WPR10LA034](https://openairdocs.org/ntsb/WPR10LA034.md): Aero Commander 690 · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Oct 21, 2009 · N690TR · Substantial damage
  > The failure of the landing gear accumulator/regulator and the installation of the improper priority valve, which precluded the landing gear from extending and locking into place.
- [NTSB WPR10FA009](https://openairdocs.org/ntsb/WPR10FA009.md): Piper PA-12 · Burlington, WA · Accident · 1 fatal · Field investigation · Final report · Oct 8, 2009 · N2087C · Substantial damage
  > The pilot's in-flight loss of control due to his failure to correctly connect the elevator control cables during the restoration/rebuild of the airplane. Contributing to this accident was the pilot's decision to perform a high-speed taxi test prior to having…
- [NTSB CEN09LA574](https://openairdocs.org/ntsb/CEN09LA574.md): Grumman Acft ENG Cor-Schweizer G-164A · Kimball, NE · Accident · No injuries · Limited investigation · Final report · Sep 8, 2009 · N6761Q · Substantial damage
  > A loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.
- [NTSB CEN09LA571](https://openairdocs.org/ntsb/CEN09LA571.md): Messerschmitt-Boelkow-Blohm BO-105S · Thibodaux, LA · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 2009 · N131EH · Substantial damage
  > The pilot's inability to maintain control due to the mechanic's inadvertent switching of two cyclic control tubes of different lengths during maintenance.
- [NTSB CEN09IA578](https://openairdocs.org/ntsb/CEN09IA578.md): Cessna 421 · Sugar Land, TX · Incident · No injuries · Incident investigation · Final report · Sep 4, 2009 · N2349S · Minor damage
  > The improper installation of the pitch trim cable which resulted in it making improper contact with a guard pin that led to the fatigue failure of the cable.
- [NTSB ERA09LA491](https://openairdocs.org/ntsb/ERA09LA491.md): Myers Donald E Kitfox 4 · Flintstone, MD · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 2009 · N69377 · Substantial damage
  > A total loss of engine power due to the lack of sufficient lubrication and the pilot/owner’s failure to adequately service the airplane’s engine.
- [NTSB WPR09FA398](https://openairdocs.org/ntsb/WPR09FA398.md): Cessna 152 · Hesperia, CA · Accident · 2 fatal · Field investigation · Final report · Aug 16, 2009 · N67361 · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering in the traffic pattern, which resulted in an aerodynamic stall/spin. Also causal was the failure of the left magneto due to improper assembly of the drive gear during installation on the…
- [NTSB WPR09LA369](https://openairdocs.org/ntsb/WPR09LA369.md): Brown Michael Kitfox IV · Escondido, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 2009 · N6140S · Substantial damage
  > A total loss of power due to an oil exhaustion induced seizure of the engine. The pilot's decision to continue flight to the original destination after becoming aware of the in-flight oil leak instead of landing at an intermediate airport to investigate the…
- [NTSB CEN09IA456](https://openairdocs.org/ntsb/CEN09IA456.md): Cessna 172R · West Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jul 19, 2009 · N77AF · No damage
  > A partial loss of engine power due to the detachment of the throttle control cable from the throttle assembly during a landing approach. Contributing to the accident was the lack of a redundant means to preclude the detachment of the cable from the throttle…
- [NTSB ENG09IA009](https://openairdocs.org/ntsb/ENG09IA009.md): Boeing 737-3B7 · Charlotte (CLT), NC · Incident · No injuries · Incident investigation · Final report · Jul 15, 2009 · N506AU · Minor damage
  > The failure of the left hand main landing gear was caused by heat induced cracks resulting from abusive grinding/polishing of the chrome plate that was applied during the last overhaul.
- [NTSB CEN09CA493](https://openairdocs.org/ntsb/CEN09CA493.md): Diamond Aircraft Ind DA 40 · Cape Girardeau, MO · Accident · Minor injuries · Data collection · Final report · Jul 14, 2009 · N544DS · Substantial damage
  > The airplane's inoperative brakes while taxiing. Contributing to the accident was the pilot's inadequate preflight.
- [NTSB ERA09LA397](https://openairdocs.org/ntsb/ERA09LA397.md): Aeronca 7AC · Auburn, ME · Accident · No injuries · Limited investigation · Final report · Jul 11, 2009 · N2871E · Substantial damage
  > A loss of engine power due to fuel contamination. Contributing to the accident was the inadequate maintenance inspection of the airplane and engine's fuel system.
- [NTSB CEN09CA510](https://openairdocs.org/ntsb/CEN09CA510.md): Wohnoutka Steven M Team Z MAX · Iowa, LA · Accident · No injuries · Data collection · Final report · Jul 4, 2009 · N301SS · Substantial damage
  > A total loss of engine thrust during initial climb due to the failure of the airplane's propeller as a result of preexisting damage.
- [NTSB ERA09LA372](https://openairdocs.org/ntsb/ERA09LA372.md): Cessna 172D · Shepherdsville, KY · Accident · No injuries · Limited investigation · Final report · Jun 27, 2009 · N172TJ · Substantial damage
  > The mechanic's improper inspection of the mixture control cable.
- [NTSB ERA09CA366](https://openairdocs.org/ntsb/ERA09CA366.md): Cessna 210-5(205) · Porterdale, GA · Accident · Minor injuries · Data collection · Final report · Jun 24, 2009 · N8272Z · Substantial damage
  > The loss of engine power due to fuel exhaustion as a result of the pilot's use of improper fuel caps. Contributing to the accident was the pilot’s selection of an unsuitable area for landing.
- [NTSB WPR09LA297](https://openairdocs.org/ntsb/WPR09LA297.md): Bellanca 17-31ATC · Roosevelt, UT · Accident · No injuries · Limited investigation · Final report · Jun 19, 2009 · N14797 · Substantial damage
  > The retraction of the left main landing gear due to the failure of the extension and retraction actuator arm attach bolt. Contributing to the accident was the failure of maintenance personnel to discover the extensive elongation of the actuator attach fitting…
- [NTSB CEN09CA338](https://openairdocs.org/ntsb/CEN09CA338.md): Garrett Rans S-6ES · Williamsburg, MI · Accident · Minor injuries · Data collection · Final report · Jun 5, 2009 · N213KT · Substantial damage
  > The pilot/builder's improper installation of the fuel line cable-tie, which resulted in fuel starvation and the loss of engine power.
- [NTSB CEN09LA335](https://openairdocs.org/ntsb/CEN09LA335.md): Cessna 140 · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Jun 2, 2009 · N76456 · Substantial damage
  > The improper installation of the wing fairing during recent maintenance, which resulted in the partial separation of the fairing shortly after takeoff.
- [NTSB CEN09CA307](https://openairdocs.org/ntsb/CEN09CA307.md): Beech C35 · Englewood, CO · Accident · No injuries · Data collection · Final report · May 19, 2009 · N1945D · Substantial damage
  > The collapse of the landing gear due to the mechanic's failure to properly wire the landing gear squat switch.
- [NTSB ERA09IA267](https://openairdocs.org/ntsb/ERA09IA267.md): Cessna 402C · Nantucket, MA · Incident · No injuries · Incident investigation · Final report · Apr 27, 2009 · N769EA · Minor damage
  > Installation of an improper bearing in the landing gear actuator.
- [NTSB WPR09LA197](https://openairdocs.org/ntsb/WPR09LA197.md): Raytheon A36 · Lopez Island, WA · Accident · No injuries · Limited investigation · Final report · Apr 16, 2009 · N464TJ · Substantial damage
  > A loss of engine power during cruise flight due to oil starvation. The oil starvation event was due to the failure of maintenance personnel to tighten the aft mounting nuts for the newly installed propeller governor and the pilot’s failure to secure the oil…
- [NTSB WPR09LA196](https://openairdocs.org/ntsb/WPR09LA196.md): Cessna 152 · Glendale, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2009 · N6285M · Substantial damage
  > A loss of engine power due to the failure of both magnetos resulting from an improper maintenance repair by maintenance personnel.
- [NTSB WPR09LA184](https://openairdocs.org/ntsb/WPR09LA184.md): Sikorsky CH-54B · Corvallis, OR · Accident · No injuries · Limited investigation · Final report · Apr 7, 2009 · N719HT · Substantial damage
  > The improper assembly of main rotor blade control components by the operator's maintenance personnel, which resulted in the main rotor blade's divergent path and their contact with the tail rotor drive shaft during ground operation following landing.
- [NTSB WPR09LA167](https://openairdocs.org/ntsb/WPR09LA167.md): Cessna 180G · Wendover, UT · Accident · No injuries · Limited investigation · Final report · Mar 27, 2009 · N98FC · Substantial damage
  > A loss of directional control during landing as a result of the binding in one main landing gear brake assembly due to incorrect maintenance procedures. Contributing to the accident was the pilot's failure to correctly reconfigure the airplane during an…
- [NTSB WPR09LA166](https://openairdocs.org/ntsb/WPR09LA166.md): Reimus Sonex FR1 · Paso Robles, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 25, 2009 · N1006N · Substantial damage
  > A total loss of engine power during cruise flight due to the pilot/builder’s failure to follow the engine manufacturer’s maintenance instructions and apply the correct torque to the rocker arm nuts during maintenance.
- [NTSB ERA09LA221](https://openairdocs.org/ntsb/ERA09LA221.md): T51 T51 · Lake Wales, FL · Accident · No injuries · Limited investigation · Final report · Mar 25, 2009 · N332BC · Substantial damage
  > A partial loss of engine power due to the carburetor not being secured to its mounting pad.
- [NTSB CEN09LA209](https://openairdocs.org/ntsb/CEN09LA209.md): Beech B24R · Bellefontaine, OH · Accident · No injuries · Limited investigation · Final report · Mar 15, 2009 · N9348S · Substantial damage
  > The inadequate torque of the Number 3 cylinder rod bolts by maintenance personnel, which resulted in a failure of the connecting rod and a total loss of engine power.
- [NTSB ERA09LA184](https://openairdocs.org/ntsb/ERA09LA184.md): Kevin Eldredge Stewart · Ocala, FL · Accident · 1 fatal · Limited investigation · Final report · Mar 6, 2009 · N551X · Substantial damage
  > A loss of engine power due to contamination and clogging of the fuel system by a post-assembly fuel tank sealant.
- [NTSB ERA09LA163](https://openairdocs.org/ntsb/ERA09LA163.md): Piper PA28 · Pittstown, NJ · Accident · Serious injuries · Limited investigation · Final report · Feb 11, 2009 · N55854 · Substantial damage
  > A loss of engine power due to the improper tightening of a fuel hose B-nut by maintenance personnel during engine installation.
- [NTSB CEN09IA153](https://openairdocs.org/ntsb/CEN09IA153.md): New Piper PA-46-500T · Aspen, CO · Incident · No injuries · Incident investigation · Final report · Feb 4, 2009 · N535JR · Minor damage
  > The pilot's inability to maintain directional control of the airplane during landing for undetermined reasons.
- [NTSB CEN09CA169](https://openairdocs.org/ntsb/CEN09CA169.md): Piper PA-24-250 · Mineral Wells, TX · Accident · No injuries · Data collection · Final report · Feb 3, 2009 · N5451P · Substantial damage
  > The failure of the airframe and power plant mechanic to ensure proper lubrication of wire cables in the landing gear system during the annual inspection which precluded safe operation of the landing gear system.
- [NTSB WPR09LA097](https://openairdocs.org/ntsb/WPR09LA097.md): Cessna 177B · Honolulu, HI · Accident · Minor injuries · Limited investigation · Final report · Jan 21, 2009 · N30740 · Substantial damage
  > An oil starvation induced catastrophic engine failure due to the fracture and separation of the propeller governor oil line, which was a result of inadequate inspection by maintenance personnel.
- [NTSB CEN09LA137](https://openairdocs.org/ntsb/CEN09LA137.md): Beech A36 · Farmington, NM · Accident · No injuries · Limited investigation · Final report · Jan 18, 2009 · N8074P · Substantial damage
  > Collapse of the landing gear during landing due to the incorrect installation of the landing gear actuator. Contributing to the accident was the pilot's failure to initiate the abnormal procedures checklist prior to landing.

## 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 year(c."eventDate") = 2009
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '040' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/040/sequence?year=2009

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