# NTSB DCA20WA011: Boeing 737, Johannesburg, South Africa, October 31, 2019

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: October 31, 2019, 17:30 local (17:30 UTC)
- Place: Johannesburg, South Africa
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Defining event: [Initial climb: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 100537
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA20WA011
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100537/pdf
- Page: https://openairdocs.org/ntsb/DCA20WA011

## Sequence of events

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

- [Initial climb: 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 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 State of Manufacturer of the airplane.All investigative information will be released by the CAA of South Africa.

## Aircraft

- Registration: D2-TBK (not matched to a registry record)
- Reported make and model: BOEING 737
- Category: Airplane
- Damage: No damage
- Flight: Non-U.S., commercial

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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