# NTSB DCA18WA271: Boeing 737, Narrandera, Australia, August 15, 2018

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: August 15, 2018
- Place: Narrandera, Australia
- 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: Major Investigations Division
- Lead agency: Other
- Parties: Boeing
- NTSB case key (mKey): 98124
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA18WA271
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/98124/pdf
- Page: https://openairdocs.org/ntsb/DCA18WA271

## 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 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 State of Manufacture of the airplane.All investigative information will be released by the ATSB of Australia.

## Aircraft

- Registration: VH-XMO (not matched to a registry record)
- Reported make and model: BOEING 737
- Category: Airplane
- Serial number: 23488
- Damage: No damage
- Flight: Non-U.S., commercial
- Airworthiness certificate: Standard, Transport

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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