DCA26WA087

NTSB incident investigation · Boeing 737 · Kastrup, Denmark · December 20, 2025

Incident · Serious injuriesClass 5 · Foreign
Date
December 20, 2025, 14:00 local (14:00 UTC)
Place
Kastrup, Denmark · Google Map CPH airport
Injuries
1 serious, 200 uninjured
Damage
Minor damage
Phase of flight
Standing
Aircraft
TC-SOCBoeing 737
Defining event
Standing-engine(s) start-up: Fire/smoke (non-impact)
Investigation class
Class 5 - No publish
NTSB office
Major Investigations Division
Lead agency
Other
Parties
GE Aerospace, FAA AVP-100, Boeing Air Safety Investigations, Accident Investigation Board, Denmark
Case key
202243

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Fire/smoke (non-impact)Standing-engine(s) start-upAll aircraft: 504 casesDefining event

Aircraft

Registration
TC-SOC
Reported as
Boeing 737 (8)
Category
Airplane
Serial number
61204
Built
2019
Engines
CFM International LEAP-1B, turbo fanCFM International LEAP-1B, turbo fan
Damage
Minor damage
Fire
On-Ground
Flight
Non-U.S., commercial
Operator
Sun Express Airlines
Airworthiness certificate
Standard, Transport
Destination
AYT · Antalya
Airport
CPH · Copenhagen Airport