# NTSB DCA16WA167: Boeing 737, tokyo, Japan, May 27, 2016

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Foreign investigation
- Date: May 27, 2016
- Place: tokyo, Japan
- 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: Minor injuries
- Injuries: 1 minor, 169 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 93264
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA16WA167
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/93264/pdf
- Page: https://openairdocs.org/ntsb/DCA16WA167

## 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 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 the provisions of ICAO Annex 13.All investigative information will be released by the JTSB.

## Aircraft

- Registration: JA85AN (not matched to a registry record)
- Reported make and model: BOEING 737
- Category: Airplane
- Serial number: 62640
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: All Nipon Airways
- Registered owner: All Nipon Airways
- 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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