# NTSB ENG16WA038: Boeing 737, Toulouse, France, France, June 8, 2016

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: June 8, 2016, 18:35 local (18:35 UTC)
- Place: Toulouse, France, France
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 94112
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG16WA038
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/94112/pdf
- Page: https://openairdocs.org/ntsb/ENG16WA038

## Sequence of events

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

- [Enroute-cruise: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331) (defining event); cases with it: [All aircraft, 116 cases](https://openairdocs.org/ntsb-events/331/sequence.md)

## Factual narrative

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 of ICAO Annex 13 as the State of Manufacture and Design of the airplane. All investigative information will be released by the Accident Investigation Bureau of Mongolia.

## Aircraft

- Registration: EI-CSG (not matched to a registry record)
- Reported make and model: BOEING 737 (800)
- Category: Airplane

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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