What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Arrived on scene (las), observed number two engine with cowlings opened. Did not detect any evidence of fire or engine debris exiting the engine compartment/cowlings. Noticed exterior elements of the engine and interior elements of the engine cowl blackened. Observed evidence of dry chemical fire extinguishing agent only on the interior of the engine cowling. Noticed that the combustor section lower case had a section that separated exposing internal guide vanes and cracking the case in several areas. Found several sections of engine bleed air lines crushed, cracked, or damaged in the area of the eruption of the combustor section, as well as connectors/electrical connectors broken or separated in the same area.
As the FAA filed it
(-23) ARRIVED ON SCENE (LAS), OBSERVED NUMBER TWO ENGINE WITH COWLINGS OPENED. DID NOT DETECT ANY EVIDENCE OF FIRE OR ENGINE DEBRIS EXITING THE ENGINE COMPARTMENT/COWLINGS. NOTICED EXTERIOR ELEMENTS OF THE ENGINE AND INTERIOR ELEMENTS OF THE ENGINE COWL BLACKENED. OBSERVED EVIDENCE OF DRY CHEMICAL FIRE EXTINGUISHING AGENT ONLY ON THE INTERIOR OF THE ENGINE COWLING. NOTICED THAT THE COMBUSTOR SECTION LOWER CASE HAD A SECTION THAT SEPARATED EXPOSING INTERNAL GUIDE VANES AND CRACKING THE CASE IN SEVERAL AREAS. FOUND SEVERAL SECTIONS OF ENGINE BLEED AIR LINES CRUSHED, CRACKED, OR DAMAGED IN THE AREA OF THE ERUPTION OF THE COMBUSTOR SECTION, AS WELL AS CONNECTORS/ELECTRICAL CONNECTORS BROKEN OR SEPARATED IN THE SAME AREA.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N666DN · 1
Matched to the same aircraft by N-number and date.