# Accident 20250313002049A: Boeing 737-823, Denver, CO, March 13, 2025 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: March 13, 2025, 17:59 local time - Place: Denver, CO - Airport: Denver International - Damage: Substantial damage - Phase of flight: Ground/Ramp/Ma - Operating rules: Air carrier (Part 121) - Operator: AALA - Location: 39.8500° N, 104.6667° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=39.8500&lon=-104.6667&mi=10 - Aircraft: N885NN, registered now (https://openairdocs.org/aircraft/N885NN) (OpenAirDocs) - Registry model: Boeing 737-823 (registry code 13844CB, https://openairdocs.org/model/boeing-737-823) (OpenAirDocs) - Registry engine: CFM International CFM56-7B24E series (registry code 13804, https://openairdocs.org/engine/cfm-international-cfm56-7b24e-series) (OpenAirDocs) - Reported make and model: BOEING 737-823 - Reported engine: CFM INTL CFM56-7B24E - People aboard: 178 - Fatal injuries: 0 - Other injuries: 12 - NTSB investigation: [NTSB DCA25FA159](https://openairdocs.org/ntsb/DCA25FA159) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20250313002049A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. ON MARCH 13, 2025, ABOUT 1759 MOUNTAIN DAYLIGHT TIME, A BOEING 737-823, ^PRIVACY DATA OMITTED^ A TITLE 14 CFR PART 121 DOMESTIC PASSENGER FLIGHT FROM COLORADO SPRINGS AIRPORT (KCOS) TO DALLAS FORT WORTH INTERNATIONAL AIRPORT (KDFW) ),EXPERIENCED AN ENGINE VIBRATION DURING TAKEOFF. THE CREW CONTINUED THE TAKEOFF AND DIVERTED TO AND LANDED SAFELY AT DENVER INTERNATIONAL AIRPORT (KDEN). AFTER LANDING, THE FLIGHT TAXIED TO THE GATE, AND THE AIRPLANE WAS SHUTDOWN. AFTER SHUTDOWN LIQUID WAS OBSERVED LEAKING AND POOLING ON THE GROUND FROM LOWER PART OF THE RIGHT ENGINE. A FIRE ENSUED IN THE AREA OF THE RIGHT ENGINE, AND THE PASSENGERS AND CREW EVACUATED THE AIRPLANE. ON BOARD THE FLIGHT WERE 2 FLIGHT CREW MEMBERS, 4 CABIN CREW MEMBERS, AND 172 PASSENGERS. TWELVE PASSENGERS RECEIVED MINOR INJURIES. THE AIRPLANE RECEIVED SUBSTANTIAL DAMAGE. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. AFTER LANDING AT DEN 16R, AND WHILE PULLING INTO GATE C38; THE APU WAS STARTED, SEAT BELT SIGN HAD BEEN TURNED OFF, AND THE ALL CALL WAS GIVEN WHEN THE DOORS WERE DISARMED. AS THE JET BRIDGE WAS APPROACHING THE AIRCRAFT, APPROXIMATELY 1 MIN AFTER ARRIVING A THE GATE, RAMP PERSONEL OBSERVED A FIRE UNDER THE RIGHT ENGINE EVACUATION OCCURRED. SMOKE WAS FIRST OBSERVED IN THE CABIN, FLIGHT ATTENDANTS TRIED CALLING THE COCKPIT, NO ANSWER. THE RIGHT ENGINE FIRE LIGHT ILLUMINATED, COCKPIT CREW PULLED THE NO. 2 ENGINE FIRE HANDLE AND DISCHARGED THE BOTTLE WHILE RUNNING THE GROUND FIRE QRH. PASSENGERS IN EXIT ROW 16 AND 17 (ABC) OPEND THE TWO OVERWING EXIT DOORS AND PASSENGERS FROM THE MID SECTION OF THE AIRCRAFT EVACUATED ONTO THE LEFT WING. DUE TO FIRE ON RIGHT SIDE A NON REV FLIGHT ATTENDANT (FA) SITTING IN EXIT 16F INSTRUCTED TO NOT OPEN RIGHT OVERWING EXITS AND SHOUTED COMMANDS TO GO OUT LEFT SIDE OVERWING EXITS. FA POSITION 2R AND 2L HAD TO REARM THEIR DOORS BY REINSTALLING THE GIRT BARS. THE 2 L SLIDE PACK DROPPED OUT JAMMING THE 2L, THE 2R FA DID NOT SEE SMOKE OUT THE 2R WINDOW OPEND THE DOOR THE SLIDE DEPLOYED AND PASSENGERS EVACUATED OUT 2R. THE 1L DOOR WAS DISARMED AND OPENED NORMALLY, AND THE FORWARD PORTION OF THE AIRCRAFT EVACUATED OUT THE MAIN CABIN DOOR 1L AND ONTO THE JET BRIDGE/TERMINAL. 1R WAS NOT OPENED. RAMP PERSONNEL WERE ABLE TO EXTINGUISH THE FIRE USING A ROLLING FIRE BOTTLE. RAMP PERSONNEL ASSISTED PASSENGERS OFF THE WING. ## The NTSB's investigation of this event (1) 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. - [NTSB DCA25FA159](https://openairdocs.org/ntsb/DCA25FA159), Mar 13, 2025: Boeing 737-823 (N885NN), Denver, CO, substantial damage, investigation ongoing From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.