# NTSB investigations: Pressure/environ sys malf/fail

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 2 of 3 · 116 cases

## Cases, newest first

- [NTSB DCA22WA022](https://openairdocs.org/ntsb/DCA22WA022.md): Boeing 737 · Casablanca, Morocco · Incident · Class 5 · Foreign · Oct 10, 2021 · CN-ROR · No damage
- [NTSB DCA21WA222](https://openairdocs.org/ntsb/DCA21WA222.md): Boeing 737 · Katowice, Poland · Incident · Class 5 · Foreign · Sep 13, 2021 · EI-STL · No damage
- [NTSB DCA21WA180](https://openairdocs.org/ntsb/DCA21WA180.md): Boeing 737 · Ballarat, Australia · Incident · No injuries · Class 5 · Foreign · Jul 6, 2021 · VH-XMO · No damage
- [NTSB DCA21WA173](https://openairdocs.org/ntsb/DCA21WA173.md): Boeing 737 · Caracas, Venezuela · Incident · Class 5 · Foreign · Jun 28, 2021 · YV-3158 · No damage
- [NTSB CEN21LA268](https://openairdocs.org/ntsb/CEN21LA268.md): Cessna 172S · Saint James, LA · Accident · No injuries · Class 4 · Limited · Final report · Jun 10, 2021 · N365CP · Substantial damage
  > The in-flight fatigue failure of an air-conditioning system hose which resulted in a precautionary landing and impact with a road sign.
- [NTSB DCA21WA100](https://openairdocs.org/ntsb/DCA21WA100.md): Boeing 737 · Tijuana, Mexico · Incident · Class 5 · Foreign · Mar 16, 2021 · XA-AMM · No damage
- [NTSB DCA21WA075](https://openairdocs.org/ntsb/DCA21WA075.md): Boeing 737 · Durban, South Africa · Incident · Class 5 · Foreign · Jan 25, 2021 · ZS-SJF · No damage
- [NTSB DCA21WA041](https://openairdocs.org/ntsb/DCA21WA041.md): Boeing 757 · Silao, Mexico · Incident · Class 5 · Foreign · Dec 1, 2020 · N6706Q · No damage
- [NTSB DCA21WA028](https://openairdocs.org/ntsb/DCA21WA028.md): Boeing 737 · Lusaka, Rwanda · Incident · Class 5 · Foreign · Oct 30, 2020 · 9XR-WJ · No damage
- [NTSB DCA21WA017](https://openairdocs.org/ntsb/DCA21WA017.md): Bombardier CL600 2C10 · Chihuahua City, Mexico · Incident · Class 5 · Foreign · Sep 19, 2020 · N770SK · No damage
- [NTSB DCA20WA132](https://openairdocs.org/ntsb/DCA20WA132.md): Boeing 737 · Tijuana, Mexico · Incident · No injuries · Foreign investigation · Jul 11, 2020 · XA-MCG · No damage
  > The DGAC of Mexico has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on July 11, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the DGAC of Mexico's investigation under the provisions of ICAO Annex…
- [NTSB DCA20WA011](https://openairdocs.org/ntsb/DCA20WA011.md): Boeing 737 · Johannesburg, South Africa · Incident · No injuries · Foreign investigation · Oct 31, 2019 · D2-TBK · No damage
  > The CAA of South Africa has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on October 31, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the CAA's investigation under the provisions of ICAO Annex 13 as…
- [NTSB DCA19WA217](https://openairdocs.org/ntsb/DCA19WA217.md): Boeing 737 · Cape Town, South Africa · Incident · No injuries · Foreign investigation · Aug 20, 2019 · ZS-JRM · Minor damage
  > The CAA of South Africa has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on August 20, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the CAA of South Africa's investigation under the provisions of…
- [NTSB DCA19WA156](https://openairdocs.org/ntsb/DCA19WA156.md): Boeing 787 · Japan · Incident · No injuries · Foreign investigation · Jun 1, 2019 · JA828A · No damage
  > The Japan Transport Safety Board (JTSB) has notified the NTSB of a serious incident involving a BOEING 787 airplane that occurred on June 01, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Japan's investigation under…
- [NTSB DCA21WA112](https://openairdocs.org/ntsb/DCA21WA112.md): Boeing 737 · Buenos Aires, Argentina · Incident · No injuries · Class 5 · Foreign · Nov 17, 2018 · LV-HFR · No damage
- [NTSB DCA19WA027](https://openairdocs.org/ntsb/DCA19WA027.md): Boeing 737 · Bangkok, Thailand · Incident · No injuries · Foreign investigation · Oct 19, 2018 · HS-LTJ · No damage
  > The AAIC of Thailand has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on October 19, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the AAIC of Thailand's investigation under the provisions of ICAO…
- [NTSB DCA18WA304](https://openairdocs.org/ntsb/DCA18WA304.md): Boeing 737 · Mumbai, India · Incident · No injuries · Foreign investigation · Sep 20, 2018 · VT-JGS · No damage
  > The AAIB of India has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on September 20, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB of India's investigation under the provisions of ICAO Annex…
- [NTSB WPR18LA269](https://openairdocs.org/ntsb/WPR18LA269.md): Robinson R44 · Wahiawa, HI · Accident · No injuries · Class 3 · Limited · Final report · Sep 18, 2018 · N632NV · Substantial damage
  > Loss of oil in flight as a result of a loose oil filter adapter which resulted in the pilot initiating an immediate landing to an open field. Contributing to the accident was the pilot's manipulation of the throttle that led to a reduction in rotor rpm, which…
- [NTSB DCA18WA279](https://openairdocs.org/ntsb/DCA18WA279.md): Boeing 737 · Guadalajara, Mexico · Incident · No injuries · Foreign investigation · Aug 20, 2018 · N520AM · No damage
  > The government of Mexico has notified the NTSB of an accident involving a Boeing 737 airplane that occurred on August 20, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation under the provisions of…
- [NTSB DCA18WA271](https://openairdocs.org/ntsb/DCA18WA271.md): Boeing 737 · Narrandera, Australia · Incident · No injuries · Foreign investigation · Aug 15, 2018 · VH-XMO · No damage
  > The ATSB of Australia has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on August 15, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the ATSB's investigation under the provisions of ICAO Annex 13 as…
- [NTSB DCA24WA108](https://openairdocs.org/ntsb/DCA24WA108.md): Boeing 737 · Casablanca, Morocco · Incident · Class 5 · Foreign · Aug 6, 2018 · CN-RNJ · No damage
- [NTSB DCA18WA243](https://openairdocs.org/ntsb/DCA18WA243.md): Boeing 737 · Frankfurt, Germany · Incident · No injuries · Foreign investigation · Jul 13, 2018 · EI-ENM
  > The government of Germany has notified the NTSB of an accident involving a BOEING 737 airplane that occurred on July 13, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the government of Germany's investigation under the provisions of…
- [NTSB DCA18WA246](https://openairdocs.org/ntsb/DCA18WA246.md): Boeing 737 300 · Nassau, Bahamas · Incident · No injuries · Foreign investigation · Jul 3, 2018 · N331CK · No damage
  > The Air Accident Investigation Department (AAID) - Ministry of Tourism, Aviation & Bahamasair has notified the NTSB of an incident involving a Boeing 737 300 airplane that occurred on July 03, 2018. The NTSB has appointed a U.S. Accredited Representative to…
- [NTSB DCA18WA180](https://openairdocs.org/ntsb/DCA18WA180.md): Boeing 737 · Port Elizabeth, South Africa · Incident · No injuries · Foreign investigation · May 4, 2018 · ZS-VDP · No damage
  > The Civil Aviation Authority (CAA) of South Africa has informed the NTSB of an incident involving a Boeing 737-300, which occurred on May 4, 2018. The NTSB has appointed a U.S Accredited Representative to assist the CAA investigation under the provisions of…
- [NTSB CEN18WA253](https://openairdocs.org/ntsb/CEN18WA253.md): Beech 400 · Geneva, Switzerland · Incident · No injuries · Foreign investigation · May 2, 2018 · G-FXAR
  > On May 2, 2018, about 1035 Universal Coordinated Time, a Beech 400, United Kingdom registration G-FXAR, experienced a cabin depressurization event and landed without further incident at the Geneva International Airport (LSGG), Geneva, Switzerland. There were…
- [NTSB DCA18WA130](https://openairdocs.org/ntsb/DCA18WA130.md): Boeing 737 · Rio de Janeiro, Brazil · Incident · No injuries · Foreign investigation · Apr 6, 2018 · PR-GGE · No damage
  > The government of Brazil has notified the NTSB of an serious incident involving a BOEING 737 airplane that occurred on April 06, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the government of Brazil's investigation under the…
- [NTSB DCA18WA124](https://openairdocs.org/ntsb/DCA18WA124.md): Boeing 757 · Mexico City, Mexico · Incident · No injuries · Foreign investigation · Mar 29, 2018 · HP1910DAE · No damage
  > The Direccion General de Aeronautica Civil (DGAC) of Mexico has notified the NTSB of an incident involving a BOEING 757 airplane that occurred on March 29, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's…
- [NTSB DCA17WA222](https://openairdocs.org/ntsb/DCA17WA222.md): Boeing 737 · Bangkok, Thailand · Incident · No injuries · Foreign investigation · Sep 19, 2017 · HS-LUJ · No damage
  > The AAIB of Thailand has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on September 19, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB of Thailand's investigation under the provisions of ICAO…
- [NTSB DCA17WA223](https://openairdocs.org/ntsb/DCA17WA223.md): Boeing 737 · Cancun, Mexico · Incident · No injuries · Foreign investigation · Sep 6, 2017 · XA-UQX · No damage
  > The DGAC of Mexico has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on September 06, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the DGAC's investigation under the provisions of ICAO Annex 13 as…
- [NTSB DCA17WA189](https://openairdocs.org/ntsb/DCA17WA189.md): Airbus A320 233 · Lima, Peru · Incident · No injuries · Foreign investigation · Aug 27, 2017 · N491TA · No damage
  > The Comisión de Investigación de Accidentes de Aviación (CIAA) of Peru has notified the NTSB of an incident involving a AIRBUS A320 233 airplane that occurred on August 27, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government…
- [NTSB DCA17WA220](https://openairdocs.org/ntsb/DCA17WA220.md): Boeing 767 424ER · Zurich, Switzerland · Incident · No injuries · Foreign investigation · Aug 23, 2017 · N68061 · No damage
  > The Swiss Transportation Safety Investigation Board has notified the NTSB of an incident involving a BOEING 767 424ER airplane that occurred on August 23, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Switzerland's…
- [NTSB DCA17WA176](https://openairdocs.org/ntsb/DCA17WA176.md): Boeing 767 332 · London, United Kingdom · Incident · Minor injuries · Foreign investigation · Aug 13, 2017 · N1608 · No damage
  > The Air Accident Investigation Branch (AAIB) of United Kingdom has notified the NTSB of a serious incident involving a BOEING 767 332 airplane that occurred on August 13, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government…
- [NTSB DCA17WA171](https://openairdocs.org/ntsb/DCA17WA171.md): Boeing 737 · Bacau, Romania · Incident · No injuries · Foreign investigation · Aug 10, 2017 · YR-BAJ · No damage
  > The Civil Aviation Safety Investigation and Analysis Center of Romania has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on August 10, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of…
- [NTSB DCA17WA163](https://openairdocs.org/ntsb/DCA17WA163.md): Boeing Boeing 737-330 · Frankfurt-Main, Germany · Incident · No injuries · Foreign investigation · Jul 28, 2017 · G-CELI · No damage
  > The BFU of Germany has notified the NTSB of an incident involving a Boeing 737-330 airplane that occurred on July 28, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the BFU's investigation under the provisions of ICAO Annex 13 as the…
- [NTSB DCA17WA159](https://openairdocs.org/ntsb/DCA17WA159.md): Boeing 747 422 · Frankfurt, Germany · Incident · No injuries · Foreign investigation · Jul 18, 2017 · N121UA · No damage
  > The BFU of Germany has notified the NTSB of an incident involving a Boeing 747 airplane that occurred on July 18, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the BFU's investigation under the provisions of ICAO Annex 13 as the…
- [NTSB DCA17WA192](https://openairdocs.org/ntsb/DCA17WA192.md): Boeing 737 · Monterrey, Mexico · Incident · No injuries · Foreign investigation · Jun 29, 2017 · XA-UNY · No damage
  > The government of Mexico has notified the NTSB of an accident involving a BOEING 737 airplane that occurred on June 29, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation under the provisions of…
- [NTSB DCA17WA118](https://openairdocs.org/ntsb/DCA17WA118.md): Boeing 737 · Munich, Germany · Incident · No injuries · Foreign investigation · May 14, 2017 · TS-ION · No damage
  > The Germany Federal Bureau of Aircraft Accident Investigation (BFU) has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on May 14, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of…
- [NTSB ENG17WA021](https://openairdocs.org/ntsb/ENG17WA021.md): Boeing Boeing 787-9 · London, United Kingdom · Incident · No injuries · Foreign investigation · Apr 29, 2017 · G-ZBKF · No damage
  > The United Kingdom's Air Accidents Investigation Branch (AAIB) has notified the NTSB of an incident involving a Boeing 787-9, which occurred on April 29, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB investigation under the…
- [NTSB DCA16FA217](https://openairdocs.org/ntsb/DCA16FA217.md): Boeing 737-700 · Pensacola, FL · Accident · No injuries · Field investigation · Final report · Aug 27, 2016 · N766SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 23, which resulted in the fan blade separating in flight and impacting the fan case. This impact caused the fan blade to fracture into fragments that traveled farther than expected into the inlet,…
- [NTSB ENG16WA038](https://openairdocs.org/ntsb/ENG16WA038.md): Boeing 737 · Toulouse, France, France · Incident · No injuries · Foreign investigation · Jun 8, 2016 · EI-CSG
  > The Accident Investigation Bureau of Mongolia (AAIB) has notified the NTSB of an incident involving a Boeing 737-800, which occurred on June 8, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB investigation under the provisions…
- [NTSB DCA16WA167](https://openairdocs.org/ntsb/DCA16WA167.md): Boeing 737 · tokyo, Japan · Incident · Minor injuries · Foreign investigation · May 27, 2016 · JA85AN · No damage
  > The Japan Transport Safety Board (JTSB) has notified the NTSB of serious incident involving a BOEING 737 airplane that occurred on May 27, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Japan's investigation under…
- [NTSB CEN16LA197](https://openairdocs.org/ntsb/CEN16LA197.md): Cessna 501 · Texarkana, AR · Accident · Minor injuries · Limited investigation · Final report · May 24, 2016 · N804ST · Substantial damage
  > The pilot's failure to use supplemental oxygen as required during high-altitude flight, which resulted in his loss of consciousness following a loss of cabin pressurization. Contributing to the accident was the separation of the air conditioning system's…
- [NTSB DCA16WA138](https://openairdocs.org/ntsb/DCA16WA138.md): Boeing 737 · Chiang Mai, Thailand · Incident · No injuries · Foreign investigation · Apr 10, 2016 · HS-LTB · No damage
  > Ministry of Transport of Thailand has notified the NTSB of an accident involving a BOEING 737 airplane that occurred on April 10, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of Thailand's investigation under the…
- [NTSB ENG15WA029](https://openairdocs.org/ntsb/ENG15WA029.md): Embraer ERJ170 - 200STD · Niigata, Japan · Incident · No injuries · Foreign investigation · Jul 7, 2015 · JA06FJ · No damage
  > On July 7, 2015, an Embraer ERJ170 experienced a bleed system failure during climb after take-off from New Chitose Airport (RJCC), Chitose, Japan. The aircraft diverted to Niigata Airport (RJSN). No one on board the aircraft was injured. The incident is being…
- [NTSB DCA15WA147](https://openairdocs.org/ntsb/DCA15WA147.md): Boeing 737 · Tanegashima, Japan · Incident · No injuries · Foreign investigation · Jun 30, 2015 · JA8525 · Minor damage
  > The Japan Transportation Safety Board (JTSB) has notified the NTSB of an incident involving a Boeing 737 that occurred on June 30, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the government of JTSB's investigation under the…
- [NTSB ERA15LA328](https://openairdocs.org/ntsb/ERA15LA328.md): Gulfstream Aerospace G IV · Caribbean Sea, A1 · Accident · No injuries · Limited investigation · Final report · Apr 10, 2015 · N450KK · Substantial damage
  > The in-flight failure of the cabin pressurization relief/safety valve (CPRV) due to an obstruction of the CPRV static port, which allowed the airplane to overpressurize. The reason for the initial overpressurization condition could not be determined.
- [NTSB ENG15WA005](https://openairdocs.org/ntsb/ENG15WA005.md): Boeing 757 - 236 · Magadan, Russia · Incident · No injuries · Foreign investigation · Dec 6, 2014 · VQ-BPY
  > On December 6, 2014, at approximately 10:30 UTC, a Yakutia Airlines Boeing 757-236PCF, registration VQ-BPY experienced a decompression and cargo door opening approximately 4 minutes after takeoff from Magadan, Russian Federation. The Department for Inspection…
- [NTSB DCA15WA091](https://openairdocs.org/ntsb/DCA15WA091.md): North American NA 265-80 · Panama Pacifico, Panama · Incident · No injuries · Foreign investigation · Oct 24, 2014 · N100EJ · No damage
  > The Civil Aeronautical Authority of Panama (AAC) has notified the NTSB of an incident involving a North American NA 265-80 that occurred on October 24, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the AAC investigation under the…
- [NTSB DCA15LA011](https://openairdocs.org/ntsb/DCA15LA011.md): Boeing 737 330 · Lanai, HI · Accident · No injuries · Limited investigation · Final report · Oct 17, 2014 · N301KH · Substantial damage
  > the improper loading and securing of the cargo pallets, which shifted on departure, resulting in substantial damage to the aft pressure bulkhead.
- [NTSB ERA14LA424](https://openairdocs.org/ntsb/ERA14LA424.md): Socata TBM 700 · Caribbean Sea, A1 · Accident · 2 fatal · Limited investigation · Final report · Sep 5, 2014 · N900KN · Destroyed
  > The design of the cabin pressurization system, which made it prone to unnecessary shutdown, combined with a checklist design that prioritized troubleshooting over ensuring that the pilot was sufficiently protected from hypoxia. This resulted in a loss of…

Next page: https://openairdocs.org/ntsb-events/331/sequence.md?page=3

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '331' 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/331/sequence?page=2

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