NTSB investigations: Boeing 727-224
5 cases on aircraft the registry lists as Boeing 727-224, where the first occurrence was “Airframe/component/system failure/malfunction”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1986 | 1 |
|---|---|
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 2000 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1384076')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 130))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1384076')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CHI00LA296Accident · No injuriesLimited investigationFinal reportBoeing 727-224 · Minneapolis, MNThe fatigue failure of the wheel assembly. A factor was the inadequate inspection procedures prior to the issuance of a service bulletin.NTSB CHI91IA297Incident · No injuriesIncident investigationFinal reportBoeing 727-224 · Detroit, MIInadequate maintenance inspection of the main landing gear actuator assembly by company maintenance personnel. A factor in the incident is inadequate design of the landing gear actuator by the manufacturer.NTSB SEA90IA161Incident · No injuriesIncident investigationFinal reportBoeing 727-224 · Belgrade, MTThe malfunction of the starter control valve.NTSB LAX89IA315Incident · No injuriesIncident investigationFinal reportBoeing 727-224 · Los Angeles, CAA fatigue crack in the right gear wheel well.NTSB FTW86IA093Incident · Minor injuriesIncident investigationFinal reportBoeing 727-224 · Corpus Christi, TXThe pilot made an intentional gear-up landing (left main only) after numerous attempts to lower it were unsuccessful. The small steel nut which had jammed the left main gear door unlatching mechanism fell into that position sometime after the gear was…