# NTSB ENG21WA046: Boeing 737, Enroute, Germany, July 7, 2021

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 5 · Foreign
- Date: July 7, 2021, 16:35 local (16:35 UTC)
- Place: Enroute, Germany · Enroute Leipzig - Koln
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Flight control sys malf/fail](https://openairdocs.org/ntsb-events/333)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- Parties: Boeing
- NTSB case key (mKey): 104109
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG21WA046
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/104109/pdf
- Page: https://openairdocs.org/ntsb/ENG21WA046

## Sequence of events

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

- [Enroute: Flight control sys malf/fail](https://openairdocs.org/ntsb-events/333) (defining event); cases with it: [All aircraft, 410 cases](https://openairdocs.org/ntsb-events/333/sequence.md)

## Aircraft

- Registration: EI-STM (not matched to a registry record)
- Reported make and model: BOEING 737 (400SF)
- Category: Airplane
- Serial number: 27094
- Year built: 1993
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: ASL Airlines
- Airworthiness certificate: Standard, Transport
- Departed: Liepzig
- Destination: Koln

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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