NTSB investigations

14 cases where NTSB found Engine bleed air system.

Cases per year

20092026
NTSB investigations per year, 2009–2026: 14 cases
20091
20112
20163
20171
20181
20191
20211
20221
20231
20242

Latest 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '010575'))
  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.

NTSB ERA24LA135Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Homestead, FLA loss of engine power due to carburetor ice as a result of the pilot’s failure to use carburetor heat in conditions conducive to the formation of carburetor ice.Mar 9, 2024 · N5171H · Substantial damageNTSB WPR24LA070Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-502A · Stratford, CAA partial loss of engine power due to the malfunction of the engine compressor bleed-off valve.Jan 10, 2024 · N6126U · Substantial damageNTSB DCA24LA330IncidentClass 2 · LimitedFinal reportBoeing 737-8 · Kenner, LAA partial loss of engine power due to bird ingestion in the No. 1 (left) engine, which resulted in the activation of the load reduction device to prevent vibration. The load reduction device activation resulted in smoke and fumes entering the cockpit.Dec 20, 2023 · N8830Q · Minor damageNTSB ERA23LA066Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-18-150 · St. Augustine, FLThe pilot’s failure to appropriately use carburetor heat, which resulted in a total loss of engine power due to carburetor icing.Nov 14, 2022 · N9858P · Substantial damageNTSB ERA21LA287Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46-500TP · Manteo, NCThe improperly secured pneumatic compressor discharge air (P3) line coupling nut on the engine, which ultimately allowed the nut to back off resulting in a partial loss of engine power.Jul 6, 2021 · N31062 · Substantial damageNTSB WPR19LA242Accident · No injuriesClass 3 · LimitedFinal reportLockheed C130 · Santa Barbara, CAThe failure of the No. 3 bleed air duct due to corrosion, which resulted in numerous system failures and the pilot’s inability to maintain directional control during the landing roll.Aug 26, 2019 · N119TG · Substantial damageNTSB CEN18FA277Accident · 1 fatalClass 2 · FieldFinal reportCessna 152 · Fort Rice, NDThe pilot's failure to use carburetor heat in conditions that were conducive to serious carburetor icing, which resulted in a loss of engine power, an exceedance of the airplane's critical angle of attack, and an aerodynamic stall. Contributing to the…Jul 17, 2018 · N24515 · Substantial damageNTSB DCA17LA182Accident · No injuriesClass 3 · LimitedFinal reportBombardier CL 600 2C10 · Denver, COThe fuel supply tube fitting pulling out of the left engine’s operability bleed valve (OBV) during the landing rollout, allowing fuel to leak and contact hot engine cases, which ignited a fire that caused thermal damage to the engine pylon. Contributing to…Jul 2, 2017 · N796SK · Substantial damageNTSB WPR17LA042Accident · No injuriesLimited investigationFinal reportAir Tractor AT 602 · Willows, CAThe decision of the maintenance facility mechanic to conduct maintenance without reference to the applicable manufacturer’s guidance, which resulted in the improper reassembly and subsequent failure of the engine compressor bleed valve, which in turn…Dec 27, 2016 · N602L · Substantial damageNTSB WPR16LA134Accident · No injuriesLimited investigationFinal reportBell OH 58A · Brawley, CAThe engine's degraded performance due to excessive wear of the engine bleed valve, which prevented it from closing during the accident flight. Contributing to the accident was the operator's failure to overhaul the bleed valve within the…Jul 2, 2016 · N6251G · Substantial damageNTSB WPR16LA104Accident · No injuriesLimited investigationFinal reportBell UH 1B · Maxwell, CAA reduction in available engine power during takeoff due to a stuck hot air valve, which resulted in low rotor rpm and a forced landing. Contributing to the accident was the lack of dry film lubricant and the presence of corrosion on the hot air valve…May 7, 2016 · N486SA · Substantial damageNTSB ENG12IA004Incident · No injuriesIncident investigationFinal reportBombardier CL600 2C10 · Atlanta, GAThe Start Operability Bleed Valve (OBV) fuel return adapter-fitting fractured and separated in cyclic fatigue, which allowed fuel to spill onto a hot engine case that ignited the undercowl fire. The OBV fuel adapter-fitting was dropped and the damage reduced…Oct 23, 2011 · N751EV · No damageNTSB CEN11LA370Accident · Serious injuriesLimited investigationFinal reportBell 47G-3B-1 · Lakeville, MNThe loss of engine power due to a loose B-nut on the compressor discharge pressure bleed line.May 25, 2011 · N96SH · Substantial damageNTSB CEN09LA401Accident · No injuriesLimited investigationFinal reportAir Tractor AT-602 · Knobel, ARThe failure of the P-3 tube resulting in the loss of engine power.Jun 30, 2009 · N5192T · Substantial damage