# NTSB DCA25LA233: Boeing 747-47UF, N476MC, Guayaquil, Ecuador, June 12, 2025

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 4 · Limited · Investigation open
- Date: June 12, 2025, 22:08 local (22:08 UTC)
- Place: Guayaquil, Ecuador
- Coordinates: 2, 79 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=2.0000&lon=79.0000&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Defining event: [Initial climb: Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Investigation ongoing
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Major Investigations Division
- Parties: Atlas, GE, FAA, Boeing
- NTSB case key (mKey): 200326
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA25LA233
- Latest NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/200326/pdf
- Page: https://openairdocs.org/ntsb/DCA25LA233

## Sequence of events

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

- [Initial climb: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330); cases with it: [Boeing 747-47UF, 1 case](https://openairdocs.org/ntsb-events/330/sequence.md?model=1384812), [All aircraft, 994 cases](https://openairdocs.org/ntsb-events/330/sequence.md)
- [Initial climb: Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342) (defining event); cases with it: [Boeing 747-47UF, 1 case](https://openairdocs.org/ntsb-events/342/sequence.md?model=1384812), [All aircraft, 1,858 cases](https://openairdocs.org/ntsb-events/342/sequence.md)

## Aircraft

- Registration: [N476MC](https://openairdocs.org/aircraft/N476MC), registered now, S/N 29256, built 1999 (OpenAirDocs)
- Reported make and model: BOEING 747-47UF (47UF)
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (registry code 1384812) (OpenAirDocs)
- Registry engine: [GE CF6-6 series](https://openairdocs.org/engine/ge-cf6-6-series) (registry code 30020, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 29256
- Year built: 1999
- Damage: Minor damage
- Fire: Unknown
- Flight: Part 121
- Operator: Atlas Air Inc
- Registered owner: Atlas Air Inc
- Departed: Quito
- Destination: Maimi, FL

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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