# NTSB ENG26WA042: Boeing 737, Naha, Japan, September 23, 2026

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 5 · Foreign
- Date: September 23, 2026, 22:05 local (13:05 UTC)
- Place: Naha, Japan
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-climb to cruise: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340)
- Highest injury: No injuries
- Injuries: 158 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 203865
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG26WA042
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/203865/pdf
- Page: https://openairdocs.org/ntsb/ENG26WA042

## Sequence of events

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

- [Enroute-climb to cruise: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340) (defining event)

## Aircraft

- Registration: JA86AN (not matched to a registry record)
- Reported make and model: BOEING 737 (800)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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