# NTSB ENG14WA030: Boeing 737 - 6H3, Budapest, Hungary, June 10, 2014

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: June 10, 2014, 14:30 local (14:30 UTC)
- Place: Budapest, Hungary
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Defining event: [Takeoff-rejected takeoff: Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 91308
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG14WA030
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/91308/pdf
- Page: https://openairdocs.org/ntsb/ENG14WA030

## Sequence of events

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

- [Takeoff-rejected takeoff: Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342) (defining event); cases with it: [All aircraft, 1,858 cases](https://openairdocs.org/ntsb-events/342/sequence.md)

## Factual narrative

On June 10, 2014, about 1830 local (1630 UTC), a TunisAir Boeing 737-6H3, TS-IOK, operating as flight TU-4671, experienced a malfunction of the No. 1 (left) engine during the takeoff roll at Budapest, Hungary. The pilots rejected the takeoff. A borescope inspection revealed damage to the high pressure compressor. The incident is being investigated by the Transportation Safety Board of Hungary. All inquiries should be direct to: Transportation Safety Board of Hungary H-1475 Budapest, POB 11, Hungary Phone: +36 1 432 6240 Fax: +36 1 432 6241 Email: aviainfo@kbcz.hu

## Aircraft

- Registration: TS-IOK (not matched to a registry record)
- Reported make and model: BOEING 737 - 6H3 (6H3)
- Category: Airplane
- Serial number: 29496
- Engines: CFMI CFM56-7B turbo fan
- Damage: No damage
- Operator: TunisAir
- Airworthiness certificate: Standard, Normal

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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