# NTSB DCA22WA159: Boeing 737-800, Tawau, Malaysia, April 3, 2022

- Type: NTSB incident investigation
- Classification: Incident · Class 5 · Foreign
- Date: April 3, 2022, 07:19 local (07:19 UTC)
- Place: Tawau, Malaysia
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330)
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- Parties: Boeing Commercial Airplanes, MALAYSIA - Air Accident Investigation Bureau
- NTSB case key (mKey): 105585
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA22WA159
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/105585/pdf
- Page: https://openairdocs.org/ntsb/DCA22WA159

## Sequence of events

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

- [Enroute: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330) (defining event); cases with it: [All aircraft, 994 cases](https://openairdocs.org/ntsb-events/330/sequence.md)

## Aircraft

- Registration: 9M-MLS (not matched to a registry record)
- Reported make and model: BOEING 737-800
- Category: Airplane
- Damage: No damage
- Flight: Part 129
- Operator: Malaysia Airlines Berhad
- Registered owner: Qortuba Limited;Maples Corporate Services Limited
- Equipment: Unknown

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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