# NTSB CEN24LA062: Cessna 340A, N7067W, New Orleans, LA, December 12, 2023

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 4 · Limited · Final report
- Date: December 12, 2023, 12:30 local (18:30 UTC)
- Place: New Orleans, LA
- Coordinates: 30.041674, -90.026183 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=30.0417&lon=-90.0262&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing-landing roll: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Central Region
- Parties: FAA
- NTSB case key (mKey): 193521
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN24LA062
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/193521/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=193521
- Page: https://openairdocs.org/ntsb/CEN24LA062

## Probable cause

The improper maintenance of the main landing gear, which resulted in a collapse and overstress failure of the left main landing gear during landing.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Landing gear system: main landing gear](https://openairdocs.org/ntsb-findings/01023210): Aircraft › Aircraft systems · Failure (probable cause); cases with it: [Cessna 340A, 3 cases](https://openairdocs.org/ntsb-findings/01023210/cases.md?model=2076405), [All aircraft, 241 cases](https://openairdocs.org/ntsb-findings/01023210/cases.md)
- [Landing gear system: main landing gear](https://openairdocs.org/ntsb-findings/01023210): Aircraft › Aircraft systems · Incorrect service/maintenance (probable cause); cases with it: [Cessna 340A, 3 cases](https://openairdocs.org/ntsb-findings/01023210/cases.md?model=2076405), [All aircraft, 241 cases](https://openairdocs.org/ntsb-findings/01023210/cases.md)
- [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Attain/maintain not possible (probable cause); cases with it: [Cessna 340A, 4 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2076405), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing-landing roll: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330) (defining event); cases with it: [Cessna 340A, 4 cases](https://openairdocs.org/ntsb-events/330/sequence.md?model=2076405), [All aircraft, 994 cases](https://openairdocs.org/ntsb-events/330/sequence.md)
- [Landing-landing roll: Landing gear collapse](https://openairdocs.org/ntsb-events/094); cases with it: [Cessna 340A, 5 cases](https://openairdocs.org/ntsb-events/094/sequence.md?model=2076405), [All aircraft, 1,787 cases](https://openairdocs.org/ntsb-events/094/sequence.md)

## Analysis

The pilot reported that the airplane touched down on the left and right main landing gear wheels. A few seconds later, the pilot felt that something failed on the left main landing gear, and the left wing began to drop to the runway. The left wing contacted the runway, and the pilot attempted to maintain directional control. Subsequently, the airplane exited the runway surface, which resulted in substantial damage to the left wing, left aileron, and horizontal stabilizer. Maintenance records revealed the main landing gear were overhauled about two months prior to the accident. The pilot reported he had completed about 8 to 10 takeoffs and landings during those two months. Postaccident examination revealed the main landing gear system was improperly rigged and the improper installation of hardware which resulted in the overstress failure of the left main landing gear system.

## Aircraft

- Registration: [N7067W](https://openairdocs.org/deregistered/N7067W-2025-04-14), registration cancelled 2025-04-14, S/N 340A-1528, built 1982 (OpenAirDocs)
- Reported make and model: CESSNA 340A
- Registry model: [Cessna 340A](https://openairdocs.org/model/cessna-340a) (registry code 2076405) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 340A-1528
- Year built: 1982
- Airframe hours: 2406
- Engines: Continenal TSIO-520-NB 335 horsepower reciprocating; Continenal TSIO-520-NB 335 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 12, 2023
- Departed: Naples, FL
- Destination: Same as departure
- Flight plan: IFR
- Airport: NEW, Lakefront, runway 18R/36L, 6,879 × 150 ft, asphalt
- Equipment: Electronic primary flight display, Electronic multifunction display, Stall warning system, ADS-B, Auto-pilot, Electronic flight bag or handheld device

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; injuries: none; private; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, without waivers/limitations; last flight review May 16, 2023; seat: left; restraint: 3-point; flight hours: 1,056 total, 249 in this make and model, 855 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 61 °F, dew point 36 °F
- Altimeter: 30.42 inHg
- Observed at: KNEW
- METAR: KNEW 121853Z 07010KT 10SM CLR 16/02 A3042 RMK AO2 SLP295 T01560022

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 20231212020449A](https://openairdocs.org/incident/20231212020449A), Dec 12, 2023: Cessna 340A, New Orleans, LA, Substantial damage. On 12/12/2023 aircraft landed at knew on runway 36L. After 1000FT rollout left gear collapsed with aircraft sliding off left side of runway coming to rest in…

## Docket (6 files)

The files NTSB released with the investigation on August 1, 2024, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=193521. 8.2 MB in all.

- Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 10 pages, 2.6 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17362441&FileExtension=pdf&FileName=Pilot%206120_Redacted-Rel.pdf
- NTSB materials laboratory assessment (item 2, PDF, 1 page, 66 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17363368&FileExtension=pdf&FileName=NTSB%20Materials%20Lab%20Assessment-Rel.pdf
- Record of conversation - mechanic (item 3, PDF, 1 page, 66 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17362955&FileExtension=pdf&FileName=Beegles%20Mechanic%20ROC-Rel.pdf
- Mechanic notes of damage (item 4, PDF, 2 pages, 535 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17363378&FileExtension=pdf&FileName=Mechanic%20Notes-Rel.pdf
- Landing gear overhaul maintenance logbook entry (item 5, PDF, 1 page, 4.6 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17362816&FileExtension=pdf&FileName=Landing%20Gear%20Overhaul%20MX%20Entry_Redacted-Rel.pdf
- Accident photographs (item 6, PDF, 3 pages, 374 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17363016&FileExtension=pdf&FileName=Photo%20Array-Rel.pdf

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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