# NTSB DCA17WA172: Boeing 787-9, N825AA, Madrid, Spain, August 8, 2017

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: August 8, 2017, 09:35 local (09:35 UTC)
- Place: Madrid, Spain
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Near midair/TCAS alert/loss of separation](https://openairdocs.org/ntsb-events/260)
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 95796
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA17WA172
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/95796/pdf
- Page: https://openairdocs.org/ntsb/DCA17WA172

## Sequence of events

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

- [Enroute: Near midair/TCAS alert/loss of separation](https://openairdocs.org/ntsb-events/260) (defining event); cases with it: [Boeing 787-9, 1 case](https://openairdocs.org/ntsb-events/260/sequence.md?model=1385609), [All aircraft, 96 cases](https://openairdocs.org/ntsb-events/260/sequence.md)

## Factual narrative

The government of Spain has notified the NTSB of an incident involving a BOEING 787-9 airplane that occurred on August 08, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Spain's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the government of Spain.

## Aircraft

- Registration: [N825AA](https://openairdocs.org/aircraft/N825AA), registered now, S/N 40644, built 2017 (OpenAirDocs)
- Reported make and model: BOEING 787-9 (NO SERIES)
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (registry code 1385609) (OpenAirDocs)
- Registry engine: [GE GENX-1B74/75/ series](https://openairdocs.org/engine/ge-genx-1b74-75-series) (registry code 30222, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 40644
- Damage: No damage
- Flight: Part 121
- Registered owner: American Airlines Inc
- 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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